- Dec 2023
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important study describes an atypical role of the odorant binding protein Obp56g in mating plug formation in Drosophila melanogaster suggesting that Obps may play roles in reproduction in addition to their originally described roles in olfaction. Mutant males lacking Obp56g fail to induce the formation of a mating plug in the female reproductive tract-leading to ejaculate loss and reduced sperm storage. The evidence supporting the claims of the authors is solid and compelling. The work will be of interest to biologists studying Obps and seminal fluid protein function and their evolution.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This work is relevant to understanding how people represent uncertain events in the world around them and make decisions, with broad applications to economic behavior. It addresses a long-standing empirical puzzle from a novel perspective, where the authors propose that sequential effects in perceptual decisions may emerge from rational choices under cognitive resource constraints rather than adjustments to changing environments. Two new computational models have been constructed to predict behavior under two different constraints, among which the one assuming higher cost for more precise beliefs is better supported by new experimental data. The conclusion may be further strengthened by comparison with alternative models and (optionally) evidence from additional data.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important paper provides web based interface for cross-tissue analysis of omics datasets from – so far – two different human populations, with compelling evidence that the tool can be used to make meaningful scientific discoveries. Conceptually, these analyses are relevant for any systems biologist or bioinformatician who is interested in integrating large population datasets. Currently, the resource is already of use for scientists studying the HMDP or using GTEx data, and we hope to see updates in the coming years that incorporate more populations and more datatypes, which could make it a general tool for a wide community.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study investigates the presence of DNA adenine methylation (6mA) and the associated function of TET enzyme, a DNA methylation mark eraser, in Drosophila. The study presents valuable findings on the scarcity of 6mA in the Drosophila genome and challenges previous findings regarding the role of TET in 6mA modification. The evidence supporting the claims is solid, and the paper has the potential to stimulate re-evaluations of the significance and regulatory mechanisms of 6mA DNA modifications in Drosophila.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This fundamental work significantly advances our understanding of the regulation of neurotransmitter and hormone secretion by exploring the mechanisms by which the protein complexin interacts with the release machinery and the calcium sensor synaptotagmin. The authors identify structural requirements within the protein for complexin's dual role in preventing premature vesicle release and enhancing evoked exocytosis. The evidence supporting the author's conclusions is compelling and the findings are of broad interest to neuroscientists and cell biologists.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
In this manuscript, the authors recorded the activity of D1- and D2-MSNs in the dorsal striatum and analyzed their firing activity in relation to single-limb gait in normal and 6-OHDA lesioned mice. This important work extends previous studies showing that the striatum multiplexes various aspects of locomotion, including velocity and movement transitions, by demonstrating that striatal neurons also encode single-limb gait. The authors present solid evidence to show that gait deficits induced by severe unilateral dopamine depletion are associated with an imbalance in the gait-modulation of striatal pathways, however, the reviewers also point out that the evidence supporting the conclusion that striatal neurons encode single-limb gait is incomplete.
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www.ncbi.nlm.nih.gov www.ncbi.nlm.nih.gov
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eLife assessment
The work addresses an important methodological aspect by optimizing an activity-dependent labelling of neural circuits in behaving flies. The authors provide convincing evidence to support the broad applicability of this method. However, a more comprehensive description of the methodology would greatly enhance its dissemination and adoption. Additionally, the authors successfully implement the method, providing solid evidence for the activity-dependent labelling of P1 neurons during aggression and courtship.
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eLife assessment
This study provides valuable insights into how chromatin-bound PfMORC controls gene expression in the asexual blood stage of Plasmodium falciparum. By interacting with key nuclear proteins, PfMORC appears to affect expression of genes relating to host invasion and subtelomeric var genes. Correlating transcriptomic data with in vivo chromatin insights, the study provides solid evidence for the central role of PfMORC in epigenetic transcriptional regulation through modulation of chromatin compaction.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
The findings presented by Huff and colleagues describe different motor patterns of swallowing following optogenetic activation of the Postinspiratory Complex (PiCo) in a group of mice exposed to Chronic Intermittent Hypoxia (CHI). The presented results are important, and the experimental procedures are rigorous and technically remarkable, but drawing meaningful conclusions is currently not obvious due to some bias in statistical comparisons that require consideration. The strength of the evidence is currently incomplete and would benefit from additional experiments. Overall this work would be of interest to the field of respiratory physiology and pathophysiology since a disruption of swallowing and possibly discoordination with breathing may be involved in diseases characterized by the presence of hypoxic conditions such as obstructive sleep apnea.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important study provides convincing evidence of the criticality of estradiol – estrogen receptor-mediated upregulation of kisspeptin within neurons of the preoptic area to generate an ovulation-inducing luteinizing hormone surge. The use of in vivo CRIPSR-Cas9 is novel in this system and provides a road map for future studies in reproductive neuroendocrinology. This paper will be of interest to reproductive neuroscientists and endocrinologists.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This is an important paper that revises the canonical model of how olfactory sensory neurons choose which odor receptor to express. The data presented in the paper are convincing and the model proposed is provocative and likely to enable future work.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
The authors of this manuscript address the following question in the immunology field: what are the transcriptional regulators that allow macrophages to assume different functional phenotypes in response to immune stimuli? They generate a computational map of the gene regulatory networks involved in determining macrophage phenotypes and experimentally validate the role of putative regulatory factors in a myeloid cell line. This study represents a valuable approach to understanding how gene regulation impacts macrophage polarization but the analyses remain incomplete without further validation in primary cells or by examining the identified genes in the in vivo setting.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
The large-conductance Ca2+ activated K+ channel has been reported to promote breast cancer progression. The present study presents convincing evidence that an intracellular subpopulation of this channel reprograms breast cancer cells towards the Warburg phenotype, one of the metabolic hallmarks of cancer. This important finding advances the field of cancer cell metabolism and has potential therapeutic implications. However, additional experiments are needed to ascribe the metabolic reprogramming to BK channels located in mitochondria.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important study reveals the RelA/Stat3-dependent gene program in the liver influences intestinal homeostasis. The evidence supporting the conclusions is compelling, although some additional experiments will strengthen the study. The work will be of interest to scientists in gastrointestinal research fields.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
In this convincing study, the authors examine the interactions between stellate cells and PV+ interneurons in the medial entorhinal cortex, shedding light on the circuit mechanisms that underlie grid cell activity. Huang et al., focus on the spatial distribution of synaptic inputs and report that closely located neuron pairs receive common inputs, suggesting a structured functional organization in the entorhinal cortex. Advanced dual whole-cell patch recordings further reveal patterns of postsynaptic activation, indicating intensive interactions within clusters of these neurons, with weaker interactions between clusters. These important findings offer significant insights into the functional dynamics of the entorhinal cortex.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study provides important new insights into how multisensory information is processed in the lateral cortex of the inferior colliculus, a poorly understood part of the auditory midbrain. By developing new imaging techniques that provide the first optical access to the lateral cortex in a living animal, the authors provide convincing in vivo evidence that this region contains separate subregions that can be distinguished by their sensory inputs and neurochemical profiles, as suggested by previous anatomical and in vitro studies. Additional information and analyses are needed, however, to allow readers to fully appreciate what was done, and the comparison of multisensory interactions between awake and anesthetized mice would benefit from being explored in more detail.
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eLife assessment
This study reports useful findings on the influence of acute stress on prosocial behavior and its neural correlates. The approach is solid, combining neuroimaging and neuroendocrine measures with computational cognitive modeling. The results will be of interest to researchers seeking to better characterize the influence of stress on neural computations mediating complex social behavior.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study by Nandy and colleagues examined relationships between behavioral state, neural activity, and trial-by-trial variability in the ability to detect weak visual stimuli. They present useful findings indicating that certain changes in arousal and eye-position stability, along with patterns of synchrony in the activity of neurons in different layers of cortical area V4, can show modest correspondences to changes in the ability to correctly detect a stimulus. At present, however, the findings are based on data and analyses that are somewhat incomplete but could be improved with further revisions.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
The study by Zhu et al. provides important insights into cell-specific genome-wide histone modifications in the frontal cortex of individuals with schizophrenia, as well as shedding light on the role of age and antipsychotic treatment in these associations. The evidence supporting the conclusions is solid, although more details regarding methodology would be helpful, and the integration of additional data could further enhance the novelty of the study.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important study combines experiments and fluid mechanics modeling to determine the mechanism of the ultrafast ejection of the polar tube of the Microsporidia parasite and of transport through this tube. The methods and the analysis, based on the variation of the viscosity of the external medium, are compelling and allow for the first time to discriminate among proposed ejection mechanisms. This approach where simple physical principles are used for distinguishing between mechanisms when the precise geometry is inaccessible through imaging is potentially applicable to other systems in microbiology.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This interesting and important manuscript combines in vitro and in vivo experiments to investigate the reciprocal regulation between mitochondria-associated membranes and Notch signaling in skeletal muscle atrophy, with implications beyond the single subfield of muscle atrophy. The methods, data, and analyses are solid and broadly support the claims.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important study reports the identification of a new amino acid sequence motif (i.e., "internal beta-signal") on outer membrane proteins, which is recognized by beta-assembly machinery in gram-negative bacteria. The authors carried out rigorous experiments, providing compelling evidence in support of their conclusions. This work significantly advances our understanding of the biogenesis of outer membrane proteins.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important study examines the effects of prenatal alcohol exposure and maternal diet on offspring DNA methylation, revealing that alcohol can alter epigenetic patterns and impact brain and organ development in the fetus, with some changes preventable by a diet rich in folate and choline. The work identifies several differentially methylated regions linked to adverse health outcomes from alcohol exposure, but the evidence is somewhat incomplete, as the paper currently lacks comprehensive methodological details and sensitivity analyses. Further analysis of the functional relevance of these DNA methylation changes, particularly addressing the current technical and statistical shortcomings, would increase the study's novelty and significance.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study presents valuable insights into the epigenetic landscape in adult kidney podocytes. A series of solid experiments demonstrate that genes that are regulated by a key kidney transcription factor, Mafb, are essential for H3K4me3 methylation and recruitment of Wt1 to Nphs1 and Nphs2. This new information provides insights into the potential relationship and coordination of transcription factors in regulating target genes in podocytes in glomerular diseases, although the conclusion that MafB is generally required for Wt1 to bind to podocyte-specific promoters is incomplete and should be extended beyond two or three genes.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This useful study seeks to address the importance of physical interaction between proteins in higher-order complexes for covariation of evolutionary rates at different sites in these interacting proteins. Following up on a previous analysis with a smaller dataset, the authors provide solid evidence that the exact contribution of physical interactions, if any, remains difficult to quantify. A weakness of the study is that alternative hypotheses, specifically the importance of similar expression levels and patterns of genes that encode interacting proteins -- for which there is already substantial evidence in the literature -- are not sufficiently considered. The work will be of relevance to anyone interested in protein evolution.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study provides a valuable resource that documents the protein-protein interactions (PPI) network for alpha-arrestins in both human and Drosophila based on affinity purification/mass spectrometry and the SAINTexpress method followed by a series of bioinformatic and functional assessments. Through these, the authors confirmed the roles of known and novel interactions, including proteins involved in RNA splicing and helicase, GTPase-activating proteins, and ATP synthase. This study represents a convincing example of how to adopt comparative molecular interactions and how to interpret the functional implications.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important study identifies the mitotic localization mechanism for Aurora B and INCENP (parts of the chromosomal passenger complex, CPC) in Trypanosoma brucei. The mechanism is different from that in the more commonly studied opisthokonts and there is solid support from RNAi and imaging experiments, targeted mutations, immunoprecipitations with crosslinking/mass spec, and AlphaFold interaction predictions. The results could be strengthened by biochemically testing proposed direct interactions and demonstrating that the targeting protein KIN-A is a motor. The findings will be of interest to parasitology researchers as well as cell biologists working on mitosis and cell division, and those interested in the evolution of the CPC.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study presents a useful characterization of mechanisms underlying glycosuria-mediated increase in compensatory glucose production in Glut2 knockout mice. The strength of support is incomplete but the data represent a starting point for further studies regarding the role of the HPA axis and acute phase proteins in regulating blood glucose during glycosuria.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important study enhances our understanding of the relationship between metabolic syndrome (MetS) and brain health from two large-scale datasets and crosses different scales of investigation. The results range from solid to inadequate, with the overall effects of MetS on the brain well supported, but the claimed inference of non-fasting blood glucose reflecting insulin resistance and suggestions of causative link to cognitive function need to be revised or tempered. Overall this study will be of great interest to researchers and clinicians seeking to understand metabolic syndrome.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This manuscript provides a useful reconstruction of the structure of the sirtuin-class histone deacetylase Sirt6 bound to a nucleosome based on cryo-EM observations, and additional characterization of the flexibility of the histone tails in the complex based on molecular dynamics simulations. While similar structures have recently been published, this solid study supports the conclusions of those papers and also includes new insights into the potential dynamics of Sirt6 bound to a nucleosome, insights that help explain its substrate specificity. Unfortunately, the authors do not mention the other recent publications until the end of their Discussion, and therefore provide little opportunity for comparison or context for the results presented.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This manuscript describes valuable new findings on the impact of chromatin context on the outcomes of microhomology-mediated end joining of DNA double-strand breaks (DSBs), specifically a preference for DSB-proximal microhomologies in repair within a heterochromatic compared to a euchromatic locus. The authors develop the Drosophila spermatogonia as a model for repair at induced DSBs in a mitotically-active tissue and leverage this system to provide convincing evidence that the local environment impacts the preference for repair mechanism and outcome. The work could be strengthened by the use of additional euchromatin insertion(s) to robustly validate the findings.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important study combines experiments and mathematical modelling to enhance our understanding of the interplay between the two flight muscles in birds during slow flight. The evidence for the findings is compelling, derived from new methods for measuring wing shape and force production combined with previously validated methods in muscle physiology. This work will be of broad interest to comparative biomechanists.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study shows that the yeast transcription factor Sfp1 binds to a subset of its target gene mRNAs, increases their half-lives, and affects RNA polymerase II backtracking. These, and other related findings, provide important new insights into mechanisms by which a transcription factor can affect post-transcriptional steps in gene regulation. The main claims are partially backed by the evidence presented. However, the evidence remains incomplete as the methods used to estimate RNA degradation rates and the biochemistry of Sfp1-RNA complexes require further validation.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This in principle useful study suggests that the G-protein subunit Gng13 is required for limiting injury and inflammation following H1N1 influenza infection via anti-inflammatory effects from ectopic tuft cells. There appears to be support for Gng13 helping to limit influenza injury in the transgenic mouse models used here, but evidence for these effects being mediated by tuft cells is incomplete, giving conflicting data from mice that lack tuft cells entirely.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This paper presents what could be a useful approach for association testing, using the output of neural networks that have been trained to predict functional changes from DNA sequences. The approach presented by the author is an interesting addition to statistical genetics. It is, however, unclear whether the method not only detects more associations but also whether the quality of these associations (i.e., the likelihood that they are causal associations) is as good or better than what one finds with conventional methods. The enrichment analyses are encouraging but without rigorous assessment of statistical power and a better understanding of the pitfalls of the method, the evidence for this being an advance that will find application in the field remains incomplete.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important study uses a combination of computational modeling and glutamate imaging to show how a particular synaptic organization referred to as space-time wiring contributes minimally to a dendritic computation that occurs in the retina. The evidence supporting the claims of the authors is compelling, incorporating new findings regarding dynamic receptive field properties, an improvement over previous modeling and experimental results based on static visual stimuli. The work will be of interest to retinal neurobiologists and neurophysiologists interested in dendritic computations.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
The work shows that the experimental application of serotonin to locust antennal lobes induces an increased feeding-related response to some odorants (even in food-satiated animals). To explain how the odorant-specific effects are seen despite similar consequences of 5-HT modulation on all projection neuronal types analyses by electrophysiology, the authors propose a simple quantitative model built around PNs with different downstream connections. These convincing observations are useful to guide further studies of serotonin and other modulatory mechanisms in the olfactory system.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This manuscript provides solid evidence for the involvement of membrane actin, and its regulatory proteins, mDia1/3, RhoA, and Rac1 in the mechanism of synaptic vesicle re-uptake (endocytosis). These valuable data fill a gap in the understanding of how the regulation of actin dynamics and endocytosis are linked. The manuscript will be of interest to all scientists working on cellular trafficking and membrane remodeling
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This is an important paper on the role of engrams and relevant conditions that influence memory and forgetting. The variety of methods used, namely, behavioural, labeling, interrogation, immunohistochemistry, microscopy, pharmacology, and computational, are exemplary and provide solid evidence for the role of engrams in the dentate gyrus in memory retrieval and forgetting. This examination will be of interest broadly across behavioural and neural science.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This valuable study shows that, in mice, fresh cat saliva elicits a greater defensive response compared to old cat saliva. Additionally, the authors implicate the vomeronasal organ (VNO) and ventromedial hypothalamus (VMH) as part of a circuit that underlies this process. While the study has potential, the results are somewhat preliminary, and as such the evidence presented is incomplete.
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www.researchsquare.com www.researchsquare.com
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eLife assessment
This important study advances our understanding of the potential mechanisms of deep-sea adaptation and sheds light on the evolutionary history of hadal snailfish. Through comparative genomic analysis, the authors provide convincing evidence and propose hypotheses on the timing of trench colonization, population structure, and adaptations to the hadal snailfish genome in response to their environment.
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eLife assessment
This is an important study that addresses a significant question in microbiome research. The authors provide convincing evidence that certain bacterial groups within the fly microbiome have critical functions for host development. Additionally, dietary aspects such as microbial community progression in a natural food source are integrated into their host-microbe interaction analyses.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This fundamental study explores the relationship between guanine-quadruplex structures and pathogenicity islands in 89 pathogenic strains. Guanine-quadruplex structures were found to be non-randomly distributed within pathogenicity islands and conserved within the same strains. Positive correlations were observed between Guanine-quadruplex structures and GC content across various genomic features, suggesting a link between these structures and GC-rich regions. These compelling findings shed light on the molecular mechanisms of Guanine-quadruplex structure-pathogenicity island interactions and will be of interest to all microbiologists.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
The findings in this fundamental study identify a novel substrate and mediator of oncogenesis downstream of mTORC1 and advance our understanding of the mechanistic basis of mTORC1-regulated cap-dependent translation and protein synthesis. The authors present convincing data using an array of biochemical, proteomic, and functional assays. These studies are of broad relevance to biochemists and cancer biologists and have potential translational relevance in cancer.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study explores the activation mechanisms of members of the kinesin-3 family, demonstrating common and unique regulation modes with solid evidence. The findings make for valuable contributions to the field of kinesin activation and regulation.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study explores the activation mechanisms of members of the kinesin-3 family, demonstrating common and unique regulation modes with solid evidence. The findings make for valuable contributions to the field of kinesin activation and regulation.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
The manuscript investigates how the tandem reader domains in BPTF co-recognize two types of modifications present on histone tails, H3K4me3 and H3 acetylation. The authors interpret their results in the context of the conformational restriction of histone tails due to interactions with nucleosomal DNA. The findings contribute new insights into how the nucleosomal context regulates the recognition of multiple histone modifications by tandem reader domains and should be of interest to the broader chromatin field.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This valuable paper examines the link between the neuropeptide cholecystokinin (CCK) and motor learning and neural plasticity in the motor cortex. While CCK was known to be involved in neural plasticity in other brain regions and behavioral contexts, this study is the first to provide evidence that CCK manipulation causes deficits in motor learning. However, the evidence for specific effects regarding behavior, activity, and pathways is currently incomplete.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
In this important study, the authors propose that lenacapavir inhibits HIV-1 replication by inducing "lethal hyperstabilization" of the capsid, based on experiments that clearly demonstrate such an effect at high drug concentrations. Data supporting the model are incomplete at low drug concentrations, and a firm correlation between the in vitro effects and therapeutic mechanism of action has not yet been established.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important work presents a systematic survey of downstream target genes of the BMP pathway during body-axis establishment of the cnidarian Nematostella vectensis. BMP is a well-known developmental regulator, and this work identifies a previously unknown array of downstream targets. Combining genomic approaches and genetic manipulations, the authors present convincing evidence that Zswim4-6 acts as a negative feedback regulator of BMP activity in Nematostella. The authors also test a zebrafish homologue in over-expression assays and show solid evidence that it too dampens BMP signaling activity, leading to the suggestion that zswim4-6 is a conserved regulator of BMP signaling. This work will be of interest to researchers in the fields of both developmental biology and evo-devo.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study presents an important finding on the serial attentional resource allocation during parallel feature value tracking. The evidence supporting the claims of the authors is solid, although further clarification for high-/low-precision assigning, task effectivity of active tracking, and data analysis would have strengthened the study. The work will be of broad interest to psychology and cognitive science.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This valuable study provides a combination of experiment and theory to investigate the role of a key signalling pathway as a patterning guide for local and global mechanical properties in a developing tissue. It poses solid evidence that local dynamical effects are not necessarily predictive of global tissue mechanics, although it does not offer an alternative mechanistic explanation. This multidisciplinary work will likely have an impact on the fields of tissue mechanics and developmental biology.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
The findings provided by Mohibi et al. are important to the field of lipid metabolism and cancer and provide insight for an in vivo role of FDX1. The evidence is solid, utilizing multiple modalities and both in vitro and in vivo lines of investigation.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This is an important initial study of cell type and spatially resolved gene expression in and around the locus coeruleus, the primary source of the neuromodulator norepinephrine in the human brain. The data are generated with cutting-edge techniques, and the work lays the foundation for future descriptive and experimental approaches to understand the contribution of the locus coeruleus to healthy brain function and disease. The empirical support for the main conclusions is solid. This paper, and the associated web application, will be of great interest to neuroscientists working on arousal-based behaviors and neurological and neuropsychiatric phenotypes.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
The paper contains some useful analysis of existing data but there are concerns regarding the conclusion that there might be alternative mechanisms for determining the location of origins of DNA replication in human cells compared to the well known mechanism known from many eukaryotic systems, including yeast, Xenopus, C. elegans and Drosophila. The lack of overlap between binding sites for ORC1 and ORC2, which are known to form a complex in human cells, is a particular concern and points to the evidence for the accurate localization of their binding sites in the genome being incomplete.
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www.researchsquare.com www.researchsquare.com
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eLife assessment
This fundamental study presents a method to restore muscle innervations in ALS mouse models using optogenetics. It is convincing that embryonic stem cell derived motor neurons can be transplanted into and applied to reinnervate the muscles in an ALS mouse model. The work will be of broad interest to researchers and medical biologists to develop new strategies for the treatment of neurodegenerative disorders resulting from denervated skeletal muscles.
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eLife assessment
This important article provides insights into the neural centers and hormonal modulations underlying seasonal changes associated with photoperiod-induced life-history states in birds. The physiological and transcriptomic analyses of the mediobasal hypothalamus and pituitary gland offer convincing evidence for a timing mechanism for measuring day length, which is relevant for the field of seasonal biology. The study's experiments and findings have the potential to captivate the attention of molecular and organismal endocrinologists and chronobiologists.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This is an important study that provides new insights into the development and function of medullary thymus epithelial cells (mTEC). The authors provide compelling evidence to support their claims as to the differentiation and lineage outcomes of CCL21+ mTEC progenitors, which further our understanding of how central tolerance of T cells is enforced within the thymus.
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www.medrxiv.org www.medrxiv.org
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eLife assessment
This important study will provide evidence about a novel screen-triage-treat strategy for cervical cancer prevention. The trial will generate convincing evidence regarding the efficacy, effectiveness, cost-effectiveness, feasibility and acceptability in a range of geographically spread low-resource settings. The strategy should contribute to improving access to cervical cancer prevention to vulnerable women with low access to health care, and, therefore, at the highest risk of cervical cancer.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study presents useful findings regarding the role of formin-like 2 in mouse oocyte meiosis. The submitted data are supported by incomplete analyses, and in some cases, the conclusions are overstated. If these concerns are addressed, this paper would be of interest to reproductive biologists.
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www.researchsquare.com www.researchsquare.com
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eLife assessment
Both reviewers positively received the manuscript, in general. The agreement was that the manuscript presented valuable findings, using solid techniques and approaches, that shed additional light into how the canine distemper virus hemagglutinin might engage cellular receptors and how that engagement impacts host tropism. While both reviewers appreciated the X-ray crystallographic data, they also felt that the AFM experiments could have been performed at a higher standard and that the interpretation of the results ensuing from those AFM experiments could have been explained more thoroughly and in simpler terms. An additional missed opportunity of the current manuscript is the lack of comparison of the crystal structure to that of the already published cryo-EM structure, for context.
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www.medrxiv.org www.medrxiv.org
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eLife assessment
This important work employed global proteomic and phosphorylation site analysis to examine adipose tissue and skeletal muscle samples collected at baseline from a sample of 10 women, including those with and without PCOS, both before and after 5 weeks of electrical stimulation treatment. This work significantly enhances our knowledge by demonstrating that women with PCOS who exhibit protein hyperandrogenicity have elevated extramyocellular lipid levels and a decreased number of oxidative insulin-sensitive type I muscle fibers. The convincing evidence supporting these conclusions makes this research of broad interest not only to scientists but also to clinicians.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study presents a potentially valuable discovery which indicates that activation of the P2RX7 pathway can reduce the lung fibrosis after its establishment by inflammatory damage. If confirmed, the study could clarify the role of specific immune networks in the establishment and progression of lung fibrosis. However, the presented data and analyses are incomplete as they primarily rely on limited pharmacological treatments with modest effect sizes.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
The manuscript provides interesting evidence that miR-199b-5p regulates osteoarthritis and as such it may be considered as a potential therapeutic target. This finding may be useful to further advance the field. Although the study is considered potentially clinically relevant, the evidence provided was deemed insufficient and incomplete to support the conclusions drawn by the authors.
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- Nov 2023
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important study uses cutting-edge miniature two-photon microscopy to follow the structural dynamics of microglia in the somatosensory cortex of freely-moving mice across the sleep/wake cycle. Solid evidence revealed the brain-state-dependent regulation of microglial activity, highlighting alterations in microglial morphology during REM and NREM sleep phases compared to wakefulness. Furthermore, this study provides evidence for a critical role of norepinephrine from the locus coeruleus as a modulator of microglial morphology through the β2-adrenergic receptor (b2AR). Overall, the article is an impressive technical feat to bridge a crucial gap in understanding sleep state-induced dynamics of microglia and its modulation by norepinephrine signaling.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
Based on the observation of an increase in miR-182-5p in diabetic patients, the authors propose that miR-182-5p and its target gene LRP6 may play a role in dysregulated glucose tolerance and fatty acid metabolism in obese type 2 diabetics. The use of human livers complemented by supporting data in mice and cells are strengths, but the evidence presented remains incomplete. Nonetheless, the findings provide valuable insights into the role of miRNAs in the regulation of liver metabolism and insulin sensitivity in individuals with diabetes and fatty liver disease.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This valuable study identifies an Ephrin type-B Receptor 2 (EPHB2) interactor, MYCBP2, as a potential regulator of EPHB2 stability and function. In contrast to expectations, based on MYCBP2 function in the ubiquitin pathway, loss of function of MYCBP2 resulted in less EPHB2 receptor and defective EPHB2 function. The paper is supported by a largely convincing set of biochemical, cell culture and in vivo experiments.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important study describes a method to decouple the mechanisms supporting pancreatic progenitor self-renewal and expansion from feed-forward mechanisms promoting their differentiation allowing in vitro expansion of hPSC-derived pancreatic progenitors. The strength of evidence is convincing in that the authors use appropriate and validated methodology in line with current state-of-the-art. The work will be of interest to the field of beta cell replacement therapy in diabetes.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This valuable study seeks to disentangle the different selective forces shaping the evolutionary dynamics of transposable elements (TEs) in the wild grass Brachypodium distachyon. Using haplotype-length metrics, and genetic and environmental differentiation tests, the authors present in large parts convincing evidence that positive selection on TE polymorphisms is rare, and that the distribution of TE ages points to purifying selection being the main force acting on TE evolution in this species. A caveat of this study, as of other studies that seek to assess TE insertion polymorphisms with short reads, is that the rates of false negatives and false positives are difficult to estimate, which may have major effects on the interpretation. This study will be relevant for anyone interested in the role of TEs in evolution and adaptation.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
The important study describes exhaustive deep mutational scanning (DMS) of the gonadotropin-releasing hormone wild-type receptor and for two single point mutations reported to impact its folding and structure, monitoring how plasma membrane expression levels are affected by mutations. This important work is pioneering in exploring the interaction between mutations (epistasis) in a membrane protein, with a potential for explaining membrane protein evolution and genetic diseases. The evidence provided for some mutations is convincing, but it remains incomplete and harder to interpret for others without further validation of folding and stability properties of the mutants.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study elucidates the role of a specific hemocyte subpopulation in oxidative damage response by establishing connections between DNA damage response and the JNK-JAK/STAT axis to regulate energy metabolism. The identification of this distinct hemocyte subpopulation through single-cell RNA sequencing analysis and the finding of hemocytes that respond to oxidative stress are important. The method for single-cell RNA sequencing and related analyses are convincing and experiments linking oxidative stress to DNA damage and energy expenditure are solid. The finding of stress-responsive immune cells capable of influencing whole-body metabolism adds insights for cell biologists and developmental biologists in the fields of immunology and metabolism.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This manuscript offers a valuable contribution to studying wildlife responses during and after COVID-19 lockdowns. It convincingly demonstrates that bird species in urban areas respond differently to human activity changes. What sets this study apart from others on avian responses to COVID-19 lockdowns is its use of passive acoustic monitoring. By concurrently measuring anthropogenic noise, a crucial reflection of changes in human activity due to COVID-19 lockdowns, this study reveals rare local-scale variations in bird responses to human activity. Only one study so far has used vocalization recordings to assess the effects of COVID-19 lockdowns on a bird species.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important study combines experimental and computational data to address crucial aspects of RNA methylation by a vital RNA methyltransferase (MTase). The authors have provided compelling, strong evidence, utilizing well-established techniques, to elucidate aspects of the methyl transfer mechanism of methyltransferase-like protein 3 (METTL3), which is a part of the METTL3-14 complex. This work will be of broad interest to biochemists, biophysicists, and cell biologists alike.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study provides useful evidence that GIF/MT-3 harbors sulfane sulfur, which may play a role in zinc coordination. The study includes a variety of well-designed assays to support the authors' hypothesis, revealing that sulfane sulfur is released from MT-3. The analysis and conclusions could benefit from a more rigorous approach to analyzing sulfur and zinc content in recombinant MT3 protein, leaving the evidence in parts incomplete.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This useful study investigates two secreted Mycobacterium tuberculosis proteins, ESAT-6 and CFP10, using biochemical assays, including a Biolayer Interferometry assay. Solid experimental evidence demonstrates that ESAT-6 forms a tight interaction with CFP10 as a heterodimer at neutral pH and that ESAT-6 also forms a homodimer at acidic pH. Additional, more definitive evidence is required to describe how these proteins disrupt the phagosomal membrane.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
The study investigates the functional impact of cranial irradiation in mouse and proposes PAK3 as molecular element involved in radiation-induced cognitive decrement. The significance of the findings is useful for fields covering radiation, brain tumor and cognition. The strength of evidence is solid, although the referees expressed divergent views on the manuscript.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
In this important study, chromatin is simulated as a polymer at the scale of genes and 3D organization is analyzed at nucleosome resolution. There is convincing evidence for the emergence of microdomains due to the action of transcription factors, based on the simulation incorporating well-known biophysical properties of DNA, of nucleosomes, of linker histones, and of the transcription factor pair Myc:Max, as well as the 3D organization resulting from bending and looping of DNA. The work improves our knowledge of how the joint action of transcription factors and chromatin features affects chromatin structure and accessibility, which is of interest to anyone studying gene regulation.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This paper provides useful information about how the ionome of Arabidopsis thaliana adapts to very high CO2-levels, backed up by solid evidence and carefully designed studies. However, the broader claims of the paper about climate change and food security - heavily emphasized in the abstract, introduction, and discussion - are inappropriate, as there is no direct link to the presented work.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This valuable study analyzes a large cohort of Adolescent Idiopathic Scoliosis (AIS) patients, identifying an association with a variant in COL11A1 (Pro1335Leu). Experimental testing of this potentially pathogenic variant in vitro suggests a connection between Pax1, Col11a1, Mmp3, and estrogen signaling, thus providing solid support for the proposed link between hormonal and matrix components in the development of AIS.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
The effect of Vitamin D supplementation in reducing asthma via anti-inflammatory mechanisms is a topic of wide interest, with somewhat conflicting published data. Here, bioinformatic approaches help to identify a role of VDR in inducing the expression of the key regulator Ikzf3, which possibly suppresses the IL-2/STAT5 axis, consequently blunting the Th2 response and mitigating allergic airway inflammation. The evidence is solid and the findings are important for researchers in the field.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This valuable study aims to identify pioneer transcription factors - which are defined as transcription factors that compete with nucleosomes for DNA binding. The authors provide methods for identifying pioneer transcription factors on a cell type basis, using nucleosome positioning and motif information across different cell lines. The evidence to support the claims is largely solid. This work will be of interest to computational and molecular biologists working on transcription factors.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This manuscript introduces two valuable new metrics - "variant vulnerability" and "drug applicability" - that would be of use to identify candidate drugs for treating infections while considering longer-term, evolution-based treatment outcomes. Despite the intuitive appeal of the metrics and their potential, the study remains incomplete, as it fails to demonstrate the generality of the approach. The work could be improved by analysing a broader range of data in a systematic way and directly tying the metrics to outcomes, which would make it possible to better assess their impact and utility.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
In this valuable study, the discovery and subsequent design of the AF03-NL chimeric antibody yielded a tool for studying filoviruses and provides a possible blueprint for future therapeutics. However, the data are incomplete and not presented clearly, which obscures flaws in the analyses and leaves unexplained phenomena. The work will be of interest to virologists studying antibodies.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This valuable study employs a diverse array of techniques encompassing cell biological manipulations, biophysical measurements, and mouse models to elucidate the impact of target cell stiffness on CD8+ cytotoxic T cell activation, with a particular focus on the actin nucleator protein WASP. The finding that WASP is essential for the stiffness-dependent phosphorylation of ZAP70 in CD8 T cells is convincing. However, the data regarding the role of WASP in mechanosensing within CD8 T cell-mediated anti-tumor immunity is incomplete and would benefit from a more rigorous study design. This work would be of interest to cell biologists and investigators studying mechanosensing within the immune system.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This convincing study demonstrates a potentially important role for the factor Numb in skeletal muscle excitation-contraction coupling. Numb knockout reduced contractile force. The authors thus demonstrate a novel role for Numb in calcium release in skeletal muscle.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
Perampalam and colleagues provide solid evidence that Netrin signaling drives survival of non-proliferating ovarian cancer cells and their dissemination. These valuable findings were thought to provide unique insights into the molecular underpinnings of ovarian cancer spread and thus to be of significant interest to cancer biologists. However, the incomplete evidence supporting the role of the described Netrin-dependent mechanism in cancer dormancy was found to be a major shortcoming of the study.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important work by Park et al. introduces an open-top two-photon light sheet microscopy (OT-TP-LSM) for lesser invasive evaluation of intraoperative 3D pathology. The authors provide convincing evidence for the effectiveness of this technique in investigating various human cancer cells. The paper needs some minor corrections and has the potential to be of broad interest to biologists and, specifically, pathologists utilizing 3D optical microscopy.
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www.medrxiv.org www.medrxiv.org
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eLife assessment
This manuscript addresses an important question, that in countries endemic for P vivax the need to administer a primaquine (PQ) course adequate to prevent relapse in G6PD deficient persons poses a real dilemma. On one hand PQ will cause haemolysis; on the other hand, without PQ the chance of relapse is very high. As a result, out of fear of severe haemolysis, PQ has been under-used. This manuscript is convincing that regimen (1) can be used successfully to deliver within 3 weeks, under hospital conditions, the dose of PQ required to prevent P vivax relapse.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study, utilizing CITE-Seq to explore CML, is considered a useful contribution to our understanding of treatment response. However, the reviewers express concern about the incomplete evidence due to the small sample size and recommend addressing these limitations. Strengthening the study with additional patient samples and validation measures would enhance its significance.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This work describes a connection between inflammation and metabolism, in which itaconate stabilizes the mitochondrial fatty acid uptake enzyme Cpt1a to enhance fatty acid oxidation. The mechanism for itaconate action may be generalizable to other protein targets. This is an important advance, which is supported by solid experimental data.
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arxiv.org arxiv.org
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eLife assessment
This paper represents important findings when identifying untargeted metabolomics and its differences between metabolomes of different biological samples. GromovMatcher is the fantasy name for the soft development. The main idea behind it is built on the assumption of featuring and matching complex datasets. Although the manuscript reflects a solid analysis, it remains incomplete for validation with putative non-curated datasets.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This useful study describes a single set of label-chase mass spectrometry experiments to confirm the molecular function of YafK as a peptidoglycan hydrolase, and to describe the timing of its attachment to the peptidoglycan. Confirmation of the molecular function of YafK will be helpful in further studies to examine the function and regulation of the outer membrane-peptidoglycan link in bacteria. The evidence supporting the molecular function of YafK and that lpp molecules are shuffled on and off the peptidoglycan is solid, however, data supporting conclusions relating to the locations of lpp-peptidoglycan attachment are incomplete. The work will be of interest to microbiologists studying the bacterial cell wall.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This is an important study that investigates the role of commensal microbes and molecules in the antigen presentation pathway affecting the development and phenotype of an unusual population of T lymphocytes. The authors provide compelling evidence to identify a population of unconventional T cells that exist in the small intestinal epithelium, which appear to depend on commensal microbes, and show that a single commensal microbe (that encodes an antigen capable of weakly stimulating these cells) is sufficient to maintain this T cell population.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
Sulphur atoms derived from cysteine are thought to play significant roles in maintaining redox homeostasis in Mycobacterium tuberculosis, which encounters stresses associated with immune cell interactions. In this valuable manuscript, the authors provide solid evidence that the genes encoding cysteine biosynthetic enzymes (cysM and cysK2) are required to maintain full viability of M. tuberculosis under in vitro stress conditions, macrophage infections, and within the lung tissues of mice. The manuscript presents transcriptomic and metabolomic evidence to support the hypothesis that CysM and CysK2 play distinct roles in maintaining cysteine-derived metabolite pools under stress conditions. The work will be of interest to microbiologists in general.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This valuable work develops a new approach to measure imaginal disc growth in Drosophila. With this approach, the roles of two protocadherins (Fat and Dachsous), in late larval development is explored, and there is novel data on the scaling of their protein gradients. The evidence supporting the authors' findings overall are solid, though the genetic analysis of Fat and Dachsous function is incomplete and would benefit from further experiments.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This valuable contribution studies factors that impact molecular exchange between dense and dilute phases of biomolecular condensates through continuum models and coarse-grained simulations. The authors provide solid evidence that interfacial resistance can cause molecules to bounce off the interface and limit mixing. Results like these can inform how experimental results in the field of biological condensates are interpreted.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important study identifies differential Orsay virus infection of C. elegans when animals are fed on different bacteria. The evidence for this is however, incomplete, as experiments to control for feeding rate and bacterial pathogenicity are needed as well as direct quantification of viral load.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This useful work argues that claims on travelling waves in the cortex must be backed up with more careful experimental and theoretical work. Through simulations and neural recordings, the authors provide solid evidence to show that differences in activation timings can superficially appear as a travelling wave. This work has implications for how the field might need to revisit how travelling waves are methodologically characterised.
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for: IEA 2023 report - exec summary - Fossil Fuel industry, IEA 2023 report - exec summary - Oil and Gas industry
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summary
- this is the IEA summary of the position of the Oil and Gas industry and what they must do in order to transition to a net zero world by 2050 and avert 1.5 Deg C global mean temperature.
- it contains a lot of useful information and statistics
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important work provides a detailed analysis of the population dynamics of an important human bacterial pathogen, Neisseria gonorrhoeae, using a large global collection of genomes with geographic, temporal, and demographic metadata. A unique facet of this work is the focus on both importation and exportation of N. gonorrhoeae; whilst quantifying importation is important to national public health efforts, quantifying exportation is relevant on an international level. However, the evidence supporting the conclusions is incomplete, due to potential inaccuracies in the method used for phylogenetic analysis, which forms the basis of this work. With the phylogenetic analysis strengthened, this paper would be of interest to epidemiologists and public health officials working on N. gonorrhoeae epidemiology and interventions.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This is an important report that has implications for both the brain stimulation field and beyond. The strength of evidence provided is quite convincing. The major strength of this work is the recognize the importance of participant expectation in brain stimulation studies.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study presents a useful method for the extraction of behaviour-related activity from neural population recordings based on a specific deep learning architecture - a variational autoencoder. However, the evidence supporting the scientific claims resulting from the application of this method is incomplete as the results may stem, in part, from its properties. The authors should: (1) improve how they benchmark their method, by comparing against additional relevant techniques, and (2) reframe their results considering what observations may be a byproduct of their method, and which do constitute new scientific observations.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
In this potentially useful study, the authors use deep learning models to provide solid evidence that epithelial wounding triggers bursts of cell division at a characteristic distance away from the wound. The usefulness of the methods to the community will depend on documenting their robustness toward variability in temporal resolution and/or mitotic event duration and demonstrating their overall superiority over existing approaches.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This paper investigates host and viral factors influencing transmission of alpha and delta SARS-CoV-2 variants in the Syrian hamster model and fundamentally increases knowledge regarding transmission of the virus via the aerosol route. The strength of evidence is solid and could be improved with a clearer presentation of the data.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This valuable study uses a model to determine when catalytic self-replication of polymers can emerge from a random pool of replicating polymers. The model accounts for the folding and function of polymers in addition to abstract evolutionary dynamics, providing solid evidence for the claims of the authors. The work will be of relevance to those interested in the origin of life, artificial cells, and evolutionary dynamics.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This is a fundamental resource of snRNA-seq and and chromatin accessibility data from human aortic endothelial cells (ECs), treated with relevant perturbations such as IL1b, TGFB2, or si-EGR. The authors show that ECs can be categorized by distinct subpopulations of differing plasticity. The support for the existence of these subpopulations is compelling, supported also by three publicly available scRNA-seq datasets, and differential enrichment of coronary artery disease associated SNPs in open chromatin in these subpopulations. Inter alia, clarifications of controls and variability among EC responses would strengthen the interpretations of the study.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important study provides an unprecedented overview of the subcellular organization of proliferative blood stage malaria parasites using expansion microscopy. The localization of multiple parasite organelles is comprehensively probed using three-dimensional super-resolution microscopy throughout the entire intraerythrocytic development cycle. This work provides a compelling framework to investigate in future more deeply the unconventional cell biology of malaria-causing parasites.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This work provides a valuable characterization of the chaotic dynamics of high-dimensional spiking networks in the presence of internally generated oscillations due to synaptic delays or externally generated oscillations due to external input. The authors provide convincing analytical and numerical calculations to support their claims, however, the paper suffers from heavy mathematical jargon that reduces its impact. The paper could be revised to provide interpretations of the results so that it can be accessible to a broader neuroscience audience. In its current form, findings will be of interest mostly to researchers working at the interface between theoretical neuroscience, applied mathematics, and physics.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important study advances our understanding of how past and future information is jointly considered in visual working memory by studying gaze biases in a memory task that dissociates the locations during encoding and memory tests. The evidence supporting the conclusions is convincing, with state-of-the-art gaze analyses that build on a recent series of experiments introduced by the authors. This work, with further improvements incorporating the existing literature, will be of broad interest to vision scientists interested in the interplay of vision, eye movements, and memory.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This is an important study that extends our understanding of how the medial prefrontal cortex regulates goal-directed action during threat. The authors provide convincing evidence that prefrontal cortex parvalbumin neurons suppress conditional freezing responses, permitting the initiation of active controlling responses over shock onset (termed 'avoidance'); also, this cell-type function does not generalize to appetitive situations or general locomotion. These findings are expected to be of great benefit to multiple neuroscience subfields interested in the mechanisms of adaptive behavior.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study provides an important contribution to understanding how parafoveal words are neurally processed. The study employs a state-of-the-art frequency tagging paradigm to study the MEG response to words during natural reading. It provides solid evidence that semantic information of parafoveal words can be extracted.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study provides a valuable contribution to understanding the neural mechanisms underlying age-related changes in attention and speech understanding. The large dataset (N=105) provides solid evidence for how speech recognition behaviour and neural tracking of speech separately evolve in about 2 years. The work would be of interest to psychologists, neuroscientists, and audiologists.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
The aim of this valuable study is to uncover developmental roles of the neuropeptide prothoracicotropic hormone (PTTH) and ecdysone, which later regulate female receptivity of Drosophila melanogaster. The work combines spatially and temporally restricted genetic manipulation with behavior quantification to explore these molecular pathways and the neuronal substrates participating in the control of female sexual receptivity. At present, the implication of both signaling pathways in this process is convincing but the strength of the evidence is incomplete to support the main claim that PTTH pathway controls female sexual receptivity through the function of ecdysone in pC1 neurons.
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arxiv.org arxiv.org
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eLife assessment
This important and elegant study makes a significant step towards harmonisation of two perspectives on synaptic plasticity in the brain: Bayesian inference and energy efficiency. Through a combination of analytical derivations and numerical simulations, the authors make a compelling case that the two perspectives, which on the surface seem very different, are in fact closely related. In addition, they provide moderate experimental evidence that corroborates predictions of their synaptic plasticity models.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
Winter months with short days are commonly associated with seasonal depression and hypersomnolence; the mechanisms behind this hypersomnolence however remain unclear. Chen and colleagues identify a genetic basis for this phenomenon in the fly Drosophila - mutations in the circadian photoreceptor cryptochrome resulted in increased sleep under short photoperiods. These findings are potentially valuable insights into the genetic mechanisms regulating sleep under short days. The data supporting the neurobiological basis of these effects is however incomplete.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study reports valuable findings that corticostriatal projections (specifically, from M1 and MCC ) target direct and indirect pathway striatal projection neurons in partially segregated ways. Moreover, this partial segregation is biased, implying that specific engagement of the direct pathway may be achieved through the selective activation of unique cortical neurons. The evidence for this conclusion is solid, though the key experiments (rabies tracing controls, etc.) are incomplete. Otherwise, the experiments are rigorously designed, and the results are solid. This work will be of interest to those interested in brain anatomy and/or circuitry, cortical and/or basal ganglia function, locomotor activity, reinforcement learning, or diseases related to these.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This MEG study reports valuable new findings regarding the nature of memory reactivation during cued recall. It replicates previous work showing that such reactivation can be sequential or clustered, with sequential reactivation being more prevalent in low performers. It adds solid evidence, even though based on limited data, that item strengths during clustered reactivation vary with item distance in the learned graph structure. The study will be of interest to human and rodent neuroscientists working on memory replay.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This valuable study provides molecular-level insights into the functional mechanism of bacterial ice-nucleating proteins, detailing electrostatic interactions in the domain architecture of multimeric assemblies. The evidence supporting the claims of the authors is solid, with results from protein engineering experiments, functional assays, and cryo-electron tomography, while the proposed structural model of protein self-assembly remains hypothetical. The work is of broad interest to researchers in the fields of protein structural biology, biochemistry, and biophysics, with implications in microbial ecology and atmospheric glaciation.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This manuscript presents a useful analysis of allosteric communication in the CFTR protein using a coarse-grained dynamic model and characterized the role of disease-causing mutations. The results and analyses are generally solid and validated with available experimental observations. The findings provide comprehensive insights into the allosteric mechanism of this protein.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important paper reports major technical advances for in vivo intramuscular electrical recording from multiple motor units in behaving animals. The paper includes compelling demonstrations of the efficacy of this new technique in multiple animal species. This new muscle recording method has the potential to provide new insight into a wide range of questions in motor neuroscience.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This is a valuable computational study that applies the machine learning method of bilinear modeling to the problem of relating gene expression to connectivity. Specifically, the author attempts to use transcriptomic data from mouse retinal neurons to predict their known connectivity. The results are promising, although the reviewers felt that demonstration of the general applicability of the approach required testing it against a second data set. Hence the present results were felt to provide borderline incomplete support for a key premise of the paper.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
In this paper, the authors introduce fundamental work on mathematical methods for inferring evolutionary parameters of interest from RNA data in healthy tissue and during hematopoiesis. By combining single cell and bulk sequencing analyses, the authors use a stochastic process to inform different aspects of genetic heterogeneity; the strength of evidence in support of the authors' claim is exceptional. The work will be of broad interest to cell biologists and theoretical biologists.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This review examines seasonal dormancy in various species, including hibernating mammals (excluding bats and bears) and ectotherms. It tests hypotheses on dormancy timing, considering energetic constraints and life history as alternative drivers. While the review is valuable, ecological differences between males and females can drive differences in energy balance, hence the idea that sex differences in dormancy timing are associated with non-energy constraints. Evidence supporting a life-history hypothesis is therefore somewhat incomplete. Nonetheless, examining these alternative hypotheses is of interest to evolutionary biologists, and including a diverse range of species, population-level traits, and some ecological context would enhance the value of the review.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study presents fundamental findings on the evolution of extremely elongated mandibular symphysis and tusks in longirostrine gomphotheres from the Early and Middle Miocene of northern China. The integration of multiple methods provides compelling results in the eco-morphology, behavioral ecology, and co-evolutionary biology of these taxa. In doing so, the authors elucidate the diversification of fossil proboscideans and their likely evolutionary responses to late Cenozoic global climatic changes.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This valuable manuscript reports on the relationship between GTP hydrolysis parameters and kinase activity of LRRK2, which is associated with Parkinson's disease. The authors provide a detailed accounting of the catalytic efficiency of the ROC GTPase domain of pathogenic variants of LRRK2, in comparison with the wild-type enzyme. The authors propose that phosphorylation of T1343 inhibits kinase activity and influences monomer-dimer transitions, but the experimental evidence is currently incomplete.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This is a theoretical analysis that gives compelling evidence that length control of bundles of actin filaments undergoing assembly and disassembly emerges even in the absence of a length control mechanism at the individual filament level. Furthermore, the length distribution should exhibit a variance that grows quadratically with the average bundle length. The experimental data are compatible with these fundamental theoretical findings, but further investigations are necessary to make the work conclusive concerning the validity of the inferences for filamentous actin structures in cells.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
The authors present 16 new well-preserved specimens from the early Cambrian Chengjiang biota. These specimens potentially represent a new taxon which could be useful in sorting out the problematic topology of artiopodan arthropods - a topic of interest to specialists in Cambrian arthropods. Because the anatomic features in the new specimens were neither properly revealed nor correctly interpreted, the evidence for several conclusions is inadequate.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This is a useful study examining the determinants and mechanisms of LRMP inhibition of cAMP regulation of HCN4 channel gating. The evidence provided to support the main conclusions is unfortunately incomplete, with discrepancies in the work that reduce the strength of mechanistic insights.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important study provides proof of the principle that C. elegans models can be used to accelerate the discovery of candidate treatments for human Mendelian diseases by detailed high-throughput phenotyping of strains harboring mutations in orthologs of human disease genes. The data presented are solid and would potentially be convincing if complete data sets were to be made available to the scientific community. This approach enables the potential rapid repurposing of FDA-approved drugs to treat rare diseases for which there are currently no effective treatments.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This valuable study presents presents solid evidence that an anti-CTLA-4 antibody drug conjugate transiently depletes circulating B cells in a mouse model, showing how dysregulation of the T cell immune system can impact B cell homeostasis. The work will be of broad interest to immunologists and medical biologists, but a major limitation is that the mechanism of B-cell reduction remains unclear, as evidence of killing of B-cells by T-cells is not presented.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study presents valuable information that an anti-CTLA-4 antibody drug conjugate transiently depletes circulating B-lymphocytes in a mouse model. It shows how dysregulation of the T cell immune system can impact B cell homeostasis. The work will be of broad interest to immunologists and medical biologists, but the strength of evidence is incomplete at this time mainly because they only analyzed circulating B cells.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important study offers new and convincing support for the idea that about a third of mouse liver DNAse hypersensitivity sites (DHS) showing male-biased chromatin opening are sex-biased because of the male-specific cyclic action of growth hormone pulses to alter chromatin accessibility, as compared to the relative ineffectiveness of the more static pattern of growth hormone secretion in females. Supporting evidence is found in the impact of hypophysectomy and growth hormone treatment on chromatin accessibility, and the binding of specific transcription factors and epigenetic marks at STAT5-sensitive sites. This work uncovers mechanisms underlying sex differences in liver function and will be of broad interest to endocrinologists and hepatologists.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study defines the roles for two different missense mutations observed in patients in the Trabid/ZRANB1 gene associated in children with a range of congenital disorders including reduced brain size. The study is important because the findings have theoretical or practical implications beyond a single subfield, as the study of DUB and cytoskeletal alterations have implications for neurodevelopment broadly. The methods are convincing as they utilize appropriate and validated methodology in line with current state-of-the-art by incorporating knock-in mice of the patient mutations. Many of the reviewer comments were focused on potential next experiments, rather than on evaluation of the data at hand, and the authors have considered these as future studies. The work as presented suggests critical roles for Trabid in the STRIPAK complex mediating APC deubiquitylation.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This work presents important findings regarding the use of soil environmental DNA for non-invasive monitoring of the endangered kākāpō parrot population in New Zealand. The approach based on sequence analysis is convincing but comparisons to established methods are lacking. The tools presented in this study are innovative and will be relevant to those working with environmental DNA and the conservation of biodiversity.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This valuable data study presents convincing data that expression of the C. elegans transcription factor NHR-67 is sufficient to drive an invasive fate, and that the alternative proliferative fate is associated with NHR-67 transcriptional down-regulation. While the observation that NHR-67 forms punctae associated with transcriptional repressors in non-invasive cells is intriguing, the work does not yet established a clear link between the formation and dissolution of NHR-67 condensates with the activation of downstream genes that NHR-67 is actively repressing. The work will be of interest to developmental biologists studying transcriptional control of cell fate specification in animals, especially once issues around the functional significance of the NHR-67 contiaining punctae are resolved.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important study identifies the role of Caveolin1 and Cavin1 as regulators of TransEndothelial Macroaperture (TEM). The methodology used is rigorous and compelling, and further research can point to a more mechanistic understanding of the process.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This fundamental work proposes a novel mechanism for memory consolidation where short-term memory provides a gating signal for memories to be consolidated into long-term storage. The work combines extensive analytical and numerical work applied to three different scenarios and provides a convincing analysis of the benefits of the proposed model, although some of the analyses are limited to the type of memory consolidation the authors consider (and don't consider), which limits the impact. The work could be revised to include a more thorough comparison to existing models of memory consolidation and a discussion of its limitations, and the revision could also streamline the technical terminology. The work will be of interest to neuroscientists and many other researchers interested in the mechanistic underpinnings of memory.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This is a potentially important study that integrates QM/MM free energy simulations and experimental kinetic analyses to probe the nature of phosphoryl transfer transition state in adenylate kinase. The idea that the transition state ensemble encompasses conformations with substantially different structural features (including the breaking/forming bonds) is interesting and potentially applicable to many other enzyme systems. In the current form, however, the study is considered incomplete since the connection between the putative transition state ensemble from the computations and key experimental observables, such as the activation entropy, is not well established.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This manuscript describes structures of HER4 homo- and HER4/HER2 hetero-dimer complexes using single particle cryo-EM. This important work describes convincingly new structural details of these complexes that expand our understanding of their function. This work will be of interest to researchers working on cell surface signalling and kinase activity.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
The work is a useful contribution towards understanding the role of archaeal and plant D-aminoacyl-tRNA deacylase 2 (DTD2) in deacylation and detoxification of D-Tyr-tRNATyr modified by various aldehydes produced as metabolic byproducts in plants. It integrates convincing results from both in vitro and in vivo experiments to address the long-standing puzzle of why plants outperform bacteria in handling reactive aldehydes and suggests a new strategy for stress-tolerant crops. The impact of the paper is limited by the fact that only one modified D-aminoacyl tRNA was examined, in lack of evidence that plant eEF1A mimics EF-Tu in protecting L-aminoacyl tRNAs from modification, and in failure to measure accumulation of toxic D-aminoacyl tRNAs or impairment of translation in plant cells lacking DTD2.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
The work by Johnson and co-workers has identified an important role of 2-Hydroxybutyrate in skeletal muscle oxidative capacity in the early stages of exercise. Mechanistically, they show convincing data to support a role of 2-Hydroxybutyrate in the regulation of BCAA metabolism via SIRT4, ADP-Ribosylation, and CEBP. However, whether this is the sole mechanism and if these translate to longer exercise training regimes requires future experiments.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
The manuscript "Structure Guided mutatgensis of OSCAs reveals differential activation to mechanical stimuli" seeks to dissect the molecular underpinnings of poke and stretch activation in OSCA channels. While the structural and functional experiments are well done, and the authors present some important data, the reviewers identified weaknesses in experimental design and interpretation that render the data incomplete in supporting some of the main conclusions of the paper. Nevertheless, this work will be of interest to those working in the fields of mechanosensation, sensory biology, and ion channels.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study reports valuable findings on the correlation between the positions of dendritic mitochondria and the orientation preference of calcium responses of individual spines. The conclusion about the biased localization of dendritic mitochondria near functional diverse spines is informative to understand the functions of dendritic mitochondria. The experimental evidence supporting the conclusion is compelling.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important paper exploits new cryo-EM tomography tools to examine the state of chromatin in situ. The experimental work is meticulously performed, with a vast amount of data collected, with convincing interpretation of possible nucleosomal structures in yeast. The majority of these nucleosomes appear not to possess stable octameric configurations. Although it cannot be excluded that there could be an unknown bias in class detection, we agree that the authors have gone as far as is possible, given constraints in current technology and analysis, to support their model. Despite the provocative nature of this report, it is our hope that such work will spark debate, and further the development of exciting new tools that can interrogate the dynamic nature of the nucleosome, and its associated functions in situ.
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eLife assessment
This important paper exploits new cryo-EM tomography tools to examine the state of chromatin in situ. The experimental work is meticulously performed and convincing, with a vast amount of data collected. The main findings are interpreted by the authors to suggest that the majority of yeast nucleosomes lack a stable octameric conformation. Despite the possibly controversial nature of this report, it is our hope that such work will spark thought-provoking debate, and further the development of exciting new tools that can interrogate native chromatin shape and associated function in vivo.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important study evaluates the outcomes of a single-institution pilot program designed to provide graduate students and postdoctoral fellows with internship opportunities in areas representing diverse career paths in the life sciences. The data convincingly show the benefit of internships to students and postdocs, their research advisors, and potential employers, without adverse impacts on scientific productivity. This work will be of interest to multiple stakeholders in graduate and postgraduate life sciences education and should stimulate further research into how such programs can best be broadly implemented.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study presents a valuable new approach for efficient computation of statistics on correlations between genetic variants (linkage disequilibrium, or LD), which the authors apply to quantify the extent of LD across chromosomes. The method appears solid, although the presentation of equations needs clarification and improvement. The authors document that cross-chromosome LD can be substantial, which has implications for geneticists who are interested in population structure and its impact on genetic association studies.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study presents important findings regarding the local dynamics at the anion binding site in the SLC26 transporter prestin that is responsible for electromotility in outer hair cells. The authors reveal critical differences to homologous proteins and thereby provide insight into prestin's unique function. The evidence is generally convincing, although orthogonal evidence would be required to fully support the claims concerning the mechanistic basis for voltage sensitivity.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study presents valuable observations on a potential role of creatine (Cr) as a novel neurotransmitter. While the data provide compelling evidence that Cr is present in synaptic vesicles, the evidence that Cr is synaptically released and binds to a post-synaptic receptor is incomplete, as no receptor is described. With further evidence, these results will be of wide interest to the field of neuroscience.
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eLife assessment
This study presents valuable observations on a potential role of creatine (Cr) as a novel neurotransmitter. The data provide solid evidence that Cr is present in synaptic vesicles. If, in the future, a receptor can be described, it will support the claim that Cr is synaptically released and binds to a post-synaptic receptor. This would be of wide interest to the field of neuroscience.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This is a valuable comparative study of local adaptation using gene-by-environment and gene-by-phenotype correlations. The analyses seemed still incomplete, as the biological take-home messages were obscured by the statistical approaches used, and it remains unclear how to best interpret the level of genome-wide convergence and in inversions. The repeatability of local adaptation across species, and the role of inversions in local adaptation, are questions of considerable empirical interest.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This is a valuable information-theoretic re-analysis of human intracranial recordings during reward and punishment learning. It provides solid evidence that reward and punishment learning is represented in overlapping regions of the brain while relying on specific inter-regional interactions. However, there are weaknesses in the analysis approach that raise concerns about the consistency of the effects across participants and the interpretation of the findings. This preprint will be interesting to researchers in systems and cognitive neuroscience.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This fundamental study addresses the earliest events that enable plant roots to reorient growth in response to gravity. Compelling molecular and cell biological data establish that plasma membrane localization of the LAZY or NEGATIVE GRAVITROPIC RESPONSE OF ROOTS (NGR) protein family is required for rapid and polar redirection of D6 protein kinase, an activator of the PIN3 auxin transporter. This work complements recent publications on the NGR family in gravity sensing (Chen et al., PMID: 37741279 and Nishimura et al., PMID: 37561884). Collectively these papers advance our understanding of rapid plant gravity sensing and response.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This manuscript provides a fundamental contribution to the understanding of the role of intrinsically disordered proteins in circadian clocks and the potential involvement of phase separation mechanisms. The authors convincingly report on the structural and biochemical aspects and the molecular interactions of the intrinsically disordered protein FRQ. This paper will be of interest to scientists focusing on circadian clock regulation, liquid-liquid phase separation, and phosphorylation.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This manuscript describes fundamental single-molecule correlative force and fluorescence microscopy experiments to visualize the 1D diffusion dynamics and long-range nucleosome sliding activity of the yeast chromatin remodelers, RSC and ISW2. Compelling evidence shows that both remodelers exhibit 1D diffusion on bare DNA but utilize different mechanisms, with RSC primarily hopping and ISW2 mainly sliding on DNA. These results will be of interest to researchers working on chromatin remodeling.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This manuscript describes useful information on the interactions of the BRAF N-terminal regulatory regions (CRD, RBD and BSR) with the C-terminal kinase domain and with the upstream regulators HRAS and KRAS. The authors provide solid evidence that the BRAF BSR domain may negatively regulate RAS binding and propose that the presence of the BSR domain in BRAF provides an additional layer of autoinhibitory constraints. The data will be of interest for researchers in the RAS/RAF and general kinase regulation fields.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important study examined whether the BMP signaling pathway has a role in H3.3K27M DMG tumors, regardless of the presence of ACRVR1 activating mutations. The authors show compelling evidence that BMP2/7 synergizes with H3.3K27M to induce a transcriptomic rewiring associated with a quiescent but invasive cell state. Although this work could be further enhanced by the inclusion of additional models as well as further consideration of elements, such as the location of the tumor, in the datasets used, overall this work suggests that BMP2/7 could be considered as a target for future therapies in this deadly cancer.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study presents a useful finding on the role of GABRD and its downstream target CDK1 in the progression of breast cancer. The evidence supporting the claims of the authors is somewhat incomplete and the elaboration of the mechanistic details on GABARD/CDK1 regulation would have strengthened the study. The work will be of interest to clinicians and biologists working on breast cancer.
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www.medrxiv.org www.medrxiv.org
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eLife assessment
This important study substantially advances our understanding of pediatric Crohn's disease, mapping the cellular make-up of this disease and how patients respond to treatment. The evidence supporting the conclusions is compelling, with thorough bioinformatic analyses, underpinned by rigorous methodology and data integration. The work will be of broad interest to pediatric clinicians, immunologists and bioinformaticians.
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www.medrxiv.org www.medrxiv.org
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eLife assessment
The authors analyzed the causative association between circulating immune cells and periodontitis, and reported three risk immune cells related to periodontitis. The significance of the findings is fundamental, which substantially advances our understanding of periodontitis. The strength of evidence is convincing.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This manuscript reports important in vitro biochemical and in planta experiments to study the receptor activation mechanism of plant membrane receptor kinase complexes with non-catalytic intracellular kinase domains. Several lines of evidence convincingly show that one such putative pseudokinase, the immune receptor EFR achieves an active conformation following phosphorylation by a co-receptor kinase, and then in turn activates the co-receptor kinase allosterically to enable it to phosphorylate down-stream signaling components. This manuscript will be of interest to scientists focusing on cell signalling and allosteric regulation.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This useful manuscript reports mechanisms behind the increase in fecundity in response to sub-lethal doses of pesticides in the crop pest, the brown plant hopper. The authors hypothesize that the pesticide works by inducing the JH titer, which through the JH signaling pathway induces egg development. Evidence for this is, however, inadequate.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study describes important results from cardiac-specific overexpression of adenylyl cyclase type 8 (TGAC8) mice that was integrated with transcriptomic and proteomic evidence. The paper convincingly provides new insights into how one can interpret signals from visceral organs.
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www.biorxiv.org www.biorxiv.org
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eLife assessment:
This valuable manuscript provides solid methodologies for utilizing SMALP nanodisks for oligomer characterization. The authors present a platform for capturing and studying native membrane protein oligomerization and subsequent cryoEM analysis. The specific application of the method to WbaP, a membrane-bound phosphoglycosyl transferase, adds to our understanding of glycoconjugate production in bacteria. This manuscript would be of interest to those focusing on native membrane protein studies and antimicrobial resistance.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important paper addresses the challenging problem of dating the origin of several groups of marine microorganisms. However, while much of the analyses are solid, the lack of robustness analysis in molecular dating component such as using alternative time calibrations, clock models, and input gene sets makes the study incomplete. Despite some concerns, this work is a commendable attempt at an extremely difficult problem and will be of broad interest to microbiologists, geologists, and evolutionary biologists.
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eLife assessment
This important paper addresses the challenging problem of dating the origin of several groups of marine microorganisms. The analyses are solid, with various test of clock models and time calibrations used, however given the uncertainty of many of the dates used to anchor ancient geological events, further studies are needed to support or refute the hypotheses put forth in this paper. Despite some methodological concerns, this work is a commendable attempt at an extremely difficult problem and will be of broad interest to microbiologists, geologists, and evolutionary biologists.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This paper identifies a subset of neurons within adult mouse myenteric ganglia that are not labeled via canonical neural-crest labeling, and argues, based on extensive lineage tracing, imaging and genomic data that these neurons are derived from mesoderm. There is convincing evidence for the existence of an unusual cell type in the gut that expresses neuronal markers, but which is derived from cells expressing markers of the mesoderm rather than the expected neural crest, which is an intriguing and important observation. While the data do not definitively establish the molecular taxonomy of this lineage, there is sufficient evidence to support the provocative and paradigm-shifting hypothesis of the non-ectodermal origin for enteric neurons to warrant further deeper investigation.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
The work is a valuable contribution to understanding the mechanism of nuclear export of tRNA in budding yeast. The authors present solid evidence that Dbp5 functions in parallel with Los1 and Msn5 in tRNA export, in a manner dependent on Gle1 for activation of its ATPase activity but independently of Mex67, Dbp5's partner in mRNA export. It further presents solid biochemical evidence that Dbp5 can bind tRNA but that Gle1 and InsP6 are required for activating ATP hydrolysis by the Dbp5-tRNA complex, suggesting a possible mechanism for tRNA export by Dbp5.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important study sheds light on the role of sphingolipids on the maturation of Parkinson's disease-associated Synphilin-1 inclusion bodies (SY1 IBs) on the mitochondrial surface in a yeast model using Synthetic Genetic Array (SGA) and state-of-the-art imaging techniques. The authors provide solid evidence that downregulating the sphingolipid biosynthesis pathway leads to defective maturation and enhanced toxicity of SY1 IBs in both yeast and mammalian cells. However, these data neither explain the role of mitochondrial surface sphingolipids in SY1 IB maturation (the cellular site of maturation of smaller toxic aggregates to bigger less toxic IBs), nor the requirement of mitochondrial activity in IB maturation.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study presents a valuable finding on the cell composition in mouse spleen depleted for the CD47 receptor and its signaling ligand Thrombospondin in hematopoietic differentiation. The supporting evidence is convincing with analytical improvements on the individual contributions of the signaling components and with functional studies. This work has implications for the role of CD47/Thsp in extramedullary erythropoiesis in mouse spleen and will be of interest to researchers in cell signaling, transfusion medicine, and cell therapy.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This valuable work deals with mathematical modeling of centrosome maturation, building on the insight that autocatalytic assembly of the centrosome leads to size inequality. To remedy this, the authors propose a catalytic growth model with a shared enzyme pool that is able to reproduce various experimental results such as centrosome size scaling with cell size and centrosome growth curves in C. elegans. While finding the work of interest, the strength of the evidence presented in favor of the model is incomplete.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
These important findings will be of interest for the study of dystroglycanopathies and in the general area of axon migration and synapse formation. This work provides convincing conclusions about how a range of dystroglycan mutations alter CCK interneuron axonal targeting and synaptic connectivity in the forebrain, and seizure susceptibility.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study provides a valuable finding on the mechanistic connections between epithelial-mesenchymal transition (EMT) and lipid metabolism. The authors identified the ZEB2/ACSL4 axis as a newly discovered metastatic metabolic pathway that promotes both lipogenesis and fatty acid oxidation. The evidence supporting the claims of the authors is solid. The work will be of interest to medical biologists working on cancer.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This paper reports important findings on a potent activator of the YAP pathway, demonstrating its mechanism through alternative splicing changes. The authors provide convincing evidence to support their claims. This research is of interest to biologists studying alternative splicing or the Hippo pathway, with significant implications for medical research.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This valuable study advances our understanding of the evolution of protein complexes and their functions. Through convincing experimental and computational methodologies, the authors show that the specialization of protein function following gene duplication can be reversible. The work will be of interest to investigators working in biochemical evolution and those working on heat shock proteins.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This valuable paper characterizes a murine model for congenital cystic airway abnormalities (CPAM). In contrast to previous assumptions that only epithelial cells are involved in the formation of pulmonary cysts, the authors provide compelling new evidence that defective BMP signaling in lung mesenchymal cells can disrupt airway development. Knowing that proper BMP signaling in mesenchymal cells is required for normal cyst-free lungs could potentially pave the way to understanding and preventing CPAM in infants at risk for this common disorder, which can be fatal if untreated. The relevance of the murine model could be enhanced by providing further histological details in comparison with human cysts, as well as interrogation of datasets such as GWAS whether genetic changes in human cysts are related to abnormal BMP signaling.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This valuable study identifies an uncharacterized yeast gene regulating chronological lifespan in a mitochondrial-dependent pathway. The approach to identify and characterise this new gene is compelling, but the evidence is incomplete in supporting the major conclusions. With a stronger focus on the relevance of replicative in addition to chronological lifespan, and stronger data linking to mitochondrial function, this paper would be interesting to the yeast biologists working in metabolism and aging.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This is a useful contribution to our understanding of how different cell stressors (ethanol or heat-shock) might elicit unique responses at the genomic and topographical level under the regulation of yeast transcription factor Hsf1, and of the temporal coupling (or lack thereof) between Hsf1 aggregation and long-range communication among co-regulated heat-shock loci versus chromatin remodeling and transcriptional activation. A particular strength is the combination of genomic and imaging-based experimental approaches applied to genetically engineered in vivo systems. While much of the data is convincing, the work is incomplete in not providing strong evidence supporting (i) a similar rate and extent of proteotoxic stress under the two chosen stress conditions, (ii) relatively greater bulk chromatin compaction elicited by ethanol, (iii) reproducible levels of interactions between chromosomal loci, and (iv) phase-separated condensates versus other types of Hsf1 clusters.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important work shows compelling evidence that Chandelier cells in the visual cortex receive inputs most prominently from local layer 5 pyramidal neurons, only mildly inhibit L2/3 pyramidal neurons, and respond massively to visuomotor mismatch. It also indicates that visual experience in the virtual tunnel activates a plasticity mechanism in Chandelier cells which could be due to the particular visuo-motor coupling experienced in this setting, although a specific control is lacking for this conclusion. This study will be of interest to neuroscientists involved in cortical circuits, visual processing, and predictive coding research.
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docdrop.org docdrop.org
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horizons Canada is the 00:57:47 internal think-tank of the Government of Canada that does strategic foresight
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for: Horizon Canada - strategic foresight think tank
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summary
- Horizon Canada still makes the biggest assumption of all, an intact modernity
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study reports useful information on the limits of the organotypic culture of neonatal mouse testes, which has been regarded as an experimental strategy that can be extended to humans in the clinical setting for the conservation and subsequent re-use of testicular tissue. The evidence that the culture of testicular fragments of 6.5-day-old mouse testes does not allow optimal differentiation of steroidogenic cells is compelling and should enable further optimizations in the future.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This valuable study focuses on the role of the Gr28 family of insect chemoreceptors. Using the Drosophila larva, the authors show that taste neurons expressing different members of this family of bitter taste receptors trigger opposite behavior – attraction and repulsion. They establish the minimal bitter taste receptor subunit composition needed in these neurons to mediate the repulsion of bitter tastants. The evidence presented is convincing, using well-validated and controlled tools and experiments.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This important study presents findings regarding the role of Juvenile Hormone in development and cell differentiation in the ametabolous insect Thermobia domestica, providing an in-depth analysis of JH's roles in a member of this basally branching group. The evidence supporting the claims of the authors is convincing, drawing on a broad range of approaches and variety of experimental techniques. While the interpretation of this work in the wider context regarding its relevance for the evolution of metamorphosis is in some places overly speculative, the work will be of interest to evolutionary developmental biologists studying hormonal control of development and to entomologists studying the evolution of metamorphosis.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This potentially important paper compares cross-species cortical folding patterns in human and non-human primates, showing that most gyral peaks shared across species are in lower-order cortical regions. The supporting evidence is currently incomplete, requiring the addition of multiple comparison corrections and further clarification and elaboration upon the statistical procedures used.
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eLife assessment
This valuable study has practical and possibly theoretical implications for rhythm perception and production by showing individual differences in frequency preferences, and a deterioration in frequency adaptation with age. As it stands, the evidence for the main claims regarding the entrainment of internal oscillators is incomplete and requires further consideration. Regardless, the findings may inform existing models of rhythm perception and production, and the effects of age may have clinical implications.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
These important findings stand out from other similar studies via solid demonstration of behavioural and neural relationships between two helping tasks - one focusing more on social perception, one more on its influence on social behaviour - that were performed more than 300 days apart. The claims however would be enhanced with a larger sample size and greater consideration of the fact that merit and need are signalled via quite different cues - such that differences between them may have multiple origins.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This work describes new validated conditional double KO (cDKO) mice for LRRK1 and LRRK2 that will be useful for the field, given that LRRK2 is widely expressed in the brain and periphery, and many divergent phenotypes have been attributed previously to LRRK2 expression. The manuscript presents solid data demonstrating that it is the loss of LRRK1 and LRRK2 expression within the SNpc DA cells that is not well tolerated, as it was previously unclear from past work whether neurodegeneration in the LRRK double Knock Out (DKO) was cell autonomous or the result of loss of LRRK1/LRRK2 expression in other types of cells. Future studies may pursue the biochemical mechanisms underlying the reason for the apoptotic cells noted in this study, as here, the LRRK1/LRRK2 KO mice did not replicate the dramatic increase in the number of autophagic vacuoles previously noted in germline global LRRK1/LRRK2 KO mice.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study provides useful information on the function of a ciliary and flagellar-associated protein, CFAP52, in the assembly of sperm head-tail connecting apparatus (HTCA) and tail formation in humans and mice. The significance is to identify CFAP52 as a genetic factor for asthenoteratozoospermia with a mixed acephalic spermatozoa syndrome (ASS) and multiple morphological abnormalities of the sperm flagella (MMAF) phenotype. The strength of the study is that the experimental evidence using CFAP52 loss-of-function in mice is solid to support that CFAP52 is essential for sperm motility and male fertility by contributing to HTCA and 9+2 axoneme, corroborating the sperm phenotypes of human patients with compound heterozygous mutations in CFAP52.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study reports an important physiological function of a conserved meiosis factor in spermatogenesis in mice. The genetic and cell biological evidence supporting the conclusion is convincing. This work will be of broad interest to cell biologists, geneticists, and reproductive biologists.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study provides useful datasets on gene expression and chromatin accessibility profiles in spermatogonial cells at different postnatal ages in mice. Overall, the technical aspects of the sequencing analyses and computational/bioinformatics are solid. However, there are concerns with the identity of the isolated cells and the lack of acknowledgment for previous studies that have also performed ATAC-sequencing on spermatogonia of mouse and human testes. The limitations call into question the validity of the interpretations and reduce the potential merit of the findings.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study provides a valuable survey of SMAD1/5 direct transcriptional events at the time of uterine receptivity to pregnancy in the mouse. The evidence supporting the authors' claims is solid, although functional validation, a more thorough genome-wide bioinformatic analysis, and better provision of methodological details would strengthen the study. The work will be of interest to reproductive biologists.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study presents valuable insights into the evolution of the gasdermin family, making a strong case that a GSDMA-like gasdermin was already present in early land vertebrates and was activated by caspase-1 cleavage. Convincing biochemical evidence is provided that extant avian, reptile, and amphibian GSDMA proteins can still be activated by caspase-1 and upon cleavage induce pyroptosis-like cell death - at least in human cell lines. The caspase-1 cleavage site is only lost in mammals, which use the more recently evolved GSDMD as a caspase-1 cleavable pyroptosis inducer. The presented work will be of considerable interest to scientists working on the evolution of cell death pathways, or on cell death regulation in non-mammalian vertebrates.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
Using extensive atomistic molecular dynamics simulations, the authors analyzed the TCR/pMHC interface with different peptide sequences and protein constructs. The results provide important insights into the catch-bond phenomenon in the context of T-cell activation. In particular, the analysis points to convincing evidence that supports the role of force in further discriminating different peptides during the activation process beyond structural considerations.
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www.medrxiv.org www.medrxiv.org
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eLife assessment
This study presents a valuable inventory of immune responses to the BTN162b2 mRNA COVID-19 vaccination in 20 hemodialyses (HD) patients and controls at different time courses. The transcriptomic sequencing data were collected and analyzed using a solid and validated methodology. The data analysis and clinical predictors to predict anti-Spike IgG titers in HD can be a starting point for further studies characterizing the immune dysregulation seen in ESRD.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This work is a valuable presentation of sharp-wave-ripple reactivation of hippocampal neural ensemble activity recorded as animals explored two different environments. It attempts to use the fact that the ensemble code remaps between the two mazes to identify the best replay-detection procedures for analyzing this type of data. The reviewers found the evidence for a prescriptive conclusion inadequate, while still appreciating the concept of comparing maze-identity discrimination with replay.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This work is a valuable presentation of sharp-wave-ripple reactivation of hippocampal neural ensemble activity recorded as animals explored two different environments. It attempts to use the fact that the ensemble code remaps between the two mazes to identify the best replay-detection procedures for analyzing this type of data. The reviewers found the evidence for a prescriptive conclusion inadequate, while still appreciating the concept of comparing maze-identity discrimination with replay.
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www.biorxiv.org www.biorxiv.org
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Editors Assessment:
The hairy vetch Vicia villosa is an annual legume widely used as a cover crop due to its ability to withstand harsh winters. Here a new a 2.03GB reference-quality genome is presented, assembled from PacBio HiFi long-sequence reads and Hi-C scaffolding. After adding some more methodological details and long-terminal repeat (LTR) assembly index (LAI) analysis the assembly quality and metrics look quite convincing as a chromosome-scale assembly. This resource hopefully providing the foundation for a genetic improvement program for this important cover crop and forage species.
This evaluation refers to version 1 of the preprint
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www.biorxiv.org www.biorxiv.org
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Editors Assessment: Aedes mosquito spread Arbovirus epidemics (e.g. Chikungunya, dengue, West Nile, Yellow Fever, and Zika), are a growing threat in Africa but a lack of vector data limits our ability to understand their propagation dynamics. This work describes the geographical distribution of Ae. aegypti and Ae. albopictus in Kinshasa, Democratic Republic of Congo between 2020 and 2022. Sharing 6,943 observations under a CC0 waiver as a Darwin Core archive in the University of Kinshasa GBIF database. Review improved the metadata by adding more accurate date information, and this data can provide important information for further basic and advanced studies on the ecology and phenology of these vectors in West Africa.
This evaluation refers to version 1 of the preprint
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This study in budding yeast (S. cerevisiae) presents important findings demonstrating that the exonuclease Xrn1 regulates autophagy in response to methionine deprivation through effects on TORC1. There is solid evidence that the impact of Xrn1 on TORC1 is contingent on its catalytic activity rather than the degradation of any specific category of mRNAs. A major strength is the novel mechanism, in which Xrn1 modulates the nucleotide-binding state of the Gtr1/2 complex.
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www.biorxiv.org www.biorxiv.org
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eLife assessment
This potentially important study examines patterns of diversity and divergence in two closely related sub-species of Zea mays, patterns that have bearings on local adaptation in maize and teosinte at intermediate geographic scales. The authors suggest that convergent evolution has been facilitated by both standing variation and gene flow, with independent selective sweeps in the two species. Limitations concerning population sampling, false positive rates in sweep detection and integration of phenotypic data at this stage only inadequately support the major conclusions. The work should in principle be of broad interest to colleagues studying the relationship between domesticated species and their progenitors, as well as those studying instances of parallel evolution.
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