19 Matching Annotations
  1. Jul 2025
    1. However, we found that suppressing yellow expression in the larval CNS, dopaminergic neurons, or serotonergic neurons (Figure 2—figure supplement 3, FET, P values ranging from 0.45 to 1), or in all neurons (Figure 2E, FET, p=1 in all cases) or all glia (Figure 2F, FET, p=1), had no significant effect on male mating success.

      This result was surprising because it shows that turning off yellow in key parts of the nervous system—including neurons involved in mood and movement—does not affect male mating behavior. This suggests that yellow doesn’t act in the brain or nerves to influence mating, challenging the original hypothesis.

    2. We hypothesized that the MRS might contain an enhancer driving yellow expression and found that ChIP-seq data indicate the Doublesex (Dsx) transcription factor binds to this region in vivo (Clough et al., 2014).

      This shows that the yellow gene might be turned on by a DNA region called the MRS, which is controlled by the Doublesex (Dsx) protein. Since Dsx helps control male and female behaviors in flies, this suggests that Dsx might directly control yellow to help males mate successfully.

  2. Jun 2025
    1. The genes that control these behavioural differences can hold clues to controlling the reproduction of economically and medically important insects, such as testse flies and mosquitoes

      Understanding the genetic basis of reproductive behaviors could inform pest control strategies to reduce disease transmission and crop damage.

    2. Reproductive behavior and biology, while extensively studied in the laboratory, is less well-understood in the wild.

      Laboratory conditions often simplify or alter natural behaviors, so findings may not fully reflect what occurs in nature.

  3. Nov 2024
    1. The divide by life history stage was approximately equal with 106 prime moose and 109 senescent moose

      This is very surprising. You would think that wolves would target the moose of senescence more often.

    2. moose habitat decisions also affect the distribution of wolf-moose interactions

      Habitat decisions can affect accessibility of moose to wolves and their ability to evade predation.

    1. The probability of polar bears being present was negatively related to length of the ice season (Figure 5A, Table 3A), indicating that more bears were encountered on land in years when the ice season was short.

      Polar bears were forced to move on land sooner due to the shortening of the ice season

    2. Understanding causes and consequences of climate-related shifts in ecosystem functioning, as well as the role of focal species in these processes, is currently a dominant theme in ecology.

      This study highlights the significance of climate change on predator-prey interactions in the artic.

    1. At least 11 of these species are of conservation concern, such as the critically endangered smalltooth sawfish (Pristis pectinata) and hawksbill turtle (Eretmochelys imbricata).

      I wonder why they chose these two species to mention in their abstract.

    1. Alligators are extremely cryptic, making traditional methodsfor estimation of population size ineffective.

      The alligators' ability to blend seamlessly into their environments can make them difficult to observe, leading to potential underestimations or inaccuracies in data collection.

    2. Most alligators inLouisiana were harvested by the fishing method, which wasnon‐selective in nature with respect to size of alligatorsharvested (Joanen and McNease 1987)

      This approach highlights the need for more sustainable and selective harvesting practices that balance economic interests with the long-term health of the alligator population and its habitat.

  4. Oct 2024
    1. Patterns of parasitism are described in terms of prevalence of infection, taxon richness, and the magnitude of multiple infections, fecal egg count and, in the case of protozoa, the intensity of infection.

      All of these together provide a comprehensive picture of parasitism in a population.

    2. Individuals seen on the ground more frequently tended to have both more ciliate and nematode infections

      This would make sense since they most likely had increased exposure.

    3. Researchers may exert subtle effects on wildlife by altering habitat. The creation of trails is common at long-term research sites (Strier 2010). The impact of these activities on animal behavior or disease ecology is unknown. Habitat alteration can affect patterns of parasitic and bacterial infections within primate populations

      I never thought about how something so subtle could have such a significant effect on bacterial infections.

  5. Sep 2024
    1. We determined age based on tooth wear and condition and sex for each individual

      I wonder exactly how accurate this actually is. I wonder how closely you can tell age by these factors.

    2. Home ranges are used to understand how animals use landscapes, but use of home ranges is not uniform and subsets of populations may exhibit different temporal and spatial patterns of simultaneous use

      While home ranges are crucial for understanding animal behavior, there is significant variability in how different animals utilize these spaces.

    1. we identified 67 loci that are potentially under directional selection, but only 3 were potentially associated with protein coding genes. It would be instructive to study each gene separately and rank them according to their level of fixation, paying closer attention to those genes that are nearly fixed, a potential indication of stronger selection levels.

      This highlights a critical gap in understanding how selection acts on genes. Focusing on nearly fixed genes could reveal which ones are under the strongest selective pressures.

    2. By then, reefs had already been severely disturbed by major rearrangements that happened during World War II, where several hundred ships, landing crafts, and thousands of US Naval personnel had staged out of the Atoll (Lessa 1966).

      I never thought about how significantly the war affected the ocean, but now that I'm thinking about it, the war was most likely very detrimental to many habitats, not just corals.