- Apr 2022
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www.artiscreation.com www.artiscreation.com
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www.chemnet.com www.chemnet.com
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insectcolor.com insectcolor.com
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www.color-hex.com www.color-hex.com
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www.ifpcs.org www.ifpcs.org
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carotenoiddb.jp carotenoiddb.jp
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www.gephebase.org www.gephebase.org
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www.zooniverse.org www.zooniverse.org
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royalsocietypublishing.org royalsocietypublishing.org
- Feb 2022
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www.reflectance.co.uk www.reflectance.co.uk
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insectcolor.com insectcolor.com
- Oct 2021
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www.ncbi.nlm.nih.gov www.ncbi.nlm.nih.gov
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Boris Schwanwitsch
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www.annualreviews.org www.annualreviews.org
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ither directly in closed feedback loops or indirectly through assessment of the light environment and the visual world (Nilsson 2020)
MiOpinion El tema es complicado, especialmente en evaluación inter-especies. La anatomía de la via visual es diferente (p.ej. más desarrollada en hominidos)
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he visual realities that they see vary vastly more within the wider animal kingdom than among the vertebrates.
MiOpinion Los ojos son órganos muy interesantes; la visión corresponde a un canal sensitivo de gran interés para las neurociencias
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We are so used to seeing the world through our magnificent human eyes that it is hard to imagine what the world would look like through the eyes of any other species.
MiOpinion Es inevitable pensar en el impacto de las diferencias inter especie (e intra especie) en la percepción e interpretación del entorno. La conducta humana -y de todo ser vivo- depende de la forma en la que entendemos el mundo mediante los sentidos. Me es particularmente interesante cómo diferentes especias han desarrollado mecanismos diferentes para percibir el mundo (la evolución convergente de organos visuales por ejemplo)
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Estamos tan acostumbrados a ver el mundo a través de nuestros magníficos ojos humanos que es difícil imaginar cómo sería el mundo a través de los ojos de cualquier otra especie.
MiOpinion Siempre que se estudia la visión en Biología del color es indispensable considerar el de percepción del organismo estudiado, pues su visión NO es igual a la nuestra y esto generalmente puede ser un problema, porque genera una visión antropocéntrica e irreal del problema.
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www.annualreviews.org www.annualreviews.org
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Cada aspecto de la visión, desde las proteínas de opsina hasta los ojos y las formas en que sirven al comportamiento animal, es increíblemente diverso. Solo con una perspectiva evolutiva se puede comprender y apreciar plenamente esta diversidad. En esta revisión, describo y explico la diversidad en cada nivel y trato de transmitir una comprensión de cómo el origen de la primera ops en hace unos 800 millones de años pudo iniciar la avalancha que produjo la asombrosa diversidad de ojos y visiones que vemos hoy. A pesar de la diversidad, muchos tipos de fotorreceptores, ojos y roles visuales han evolucionado varias veces de forma independiente en diferentes animales, revelando un patrón de evolución ocular estrictamente guiado por limitaciones funcionales e impulsado por la evolución de comportamientos gradualmente más exigentes.
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www.annualreviews.org www.annualreviews.org
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Este es el contenido el volumen anterior
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www.annualreviews.org www.annualreviews.org
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Este documento es interesante Debo agregarlo a la bibliografía de visión del color Este es un volumen especial dedicado el tema
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www.science.org www.science.org
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Es una noticia interesante. No es necesario verificar esta noticia pues está publicada en una fuente de absoluta confianza, además contiene la cita a la fuente primaria.
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- Aug 2021
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eprints.ucm.es eprints.ucm.es
- Jun 2021
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www.leydesdorff.net www.leydesdorff.net
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Tags:método
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www.sciencedirect.com www.sciencedirect.com
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Birds and mammals have only one pigment cell type, the melanocyte, producing the pigment melanin (although in different shades) that is secreted into the skin or feathers and hairs.
Tag:vertebrados,aves,mamiferos
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In contrast, basal vertebrates such as fish, amphibia and reptiles develop several chromatophore types producing different colours. In these animals, colour patterns arise as mosaics of chromatophores distributed in the hypodermis of the body, and the epidermis of scales and fins (Box 1).
Tag:vertebrados,peces,anfibios,reptiles,
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Although colour pattern formation has fascinated scientists since the beginning of modern biology [3], the field is still dominated by theories rather than detailed knowledge of the underlying molecular, cellular and developmental events.
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science.sciencemag.org science.sciencemag.org
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For example, many animals have dorsal coloration that reduces predation through crypsis or aposematism but ventral coloration that is used for short-range intraspecific signaling [e.g., (80)].
Tags:vertebrados,reptiles
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Lastly, mammals, such as deer, are born with striped coats but take on uniform pelage as adults (71).
Tags:vertebrados,mamiferos
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The dyeing dart frog (Dendrobates tinctorius) is highly poisonous and conspicuous but also sexually dichromatic, indicating sexually selected coloration for mate choice.
Tags:vertebrados
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For example, great reed warblers (Acrocephalus arundinaceus), frequent hosts of the common cuckoo (Cuculus canorus), show context-dependent rejection of foreign eggs (47) (Fig. 3). Mimetic eggs are typically accepted by these hosts, but in the presence of a cuckoo near the nest, or after exposure to a nonmimetic cuckoo egg, these same eggs are often rejected. Understanding how the host cognitive system adjusts its recognition thresholds to accommodate increased risks of cuckoo parasitism needs attention (48, 49).
Tags:vertebrados,aves
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vertebrates have different vision subsystems, each tuned to one specific task.
Tags:vertebrados,aves
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birds see UV, and birds have more than three retinal cones types; some fish even change their color vision with diet (31) and use chlorophyll in far-red sensing (32).
Tags:vertebrados
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Genes underlying color variation offer insight into the predictability of evolution. Convergent phenotypes commonly arise in parallel; the accurate characterization of color phenotypes has revealed independent changes in similar genetic mechanisms, leading to phenotypic similarity between species (19). For example, changes in pigmentation from weakly to deeply melanic can be controlled by parallel genetic changes in highly divergent lineages, such as in the case of the Kit ligand in pigmentation of sticklebacks and human skin; Oca2 in pigmentation of snakes, cavefish, and humans; and MC1R in numerous birds and mammals (19)
Tags:vertebrados
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This will be a critical foundation for future understanding of ordered self-assembly in colored biological materials, from β-keratin in birds’ feathers (5)
Tags:vertebrados,aves
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review how color is used for social signals between individual animals and how it affects interactions with parasites, predators, and the physical environment
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Animals live in a colorful world, but we rarely stop to think about how this color is produced and perceived, or how it evolved.
Cómo se produce, se percibe y evoluciona!
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www.biorxiv.org www.biorxiv.org
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https://twitter.com/omerbenj/status/1367063500162531332
Nota:
Es un excelente ejemplo de como utilizar hypothes.is para hacer revisión por pares!
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Local file Local file
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extramission
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twitter.com twitter.com
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Tags:colibrí
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- May 2021
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royalsocietypublishing.org royalsocietypublishing.org
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onlinelibrary.wiley.com onlinelibrary.wiley.com
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We explore the relevance of honest signalling theory to the evolution of aposematism. We begin with a general consideration of models of signal stability, with a focus on the Zahavian costly signalling framework. Next, we review early models of signalling in the context of aposematism (some that are consistent and some inconsistent with costly honest signalling). We focus on controversies surrounding the idea that aposematic signals are handicaps in a Zahavian framework. Then, we discuss how the alignment of interests between signaller and predator influences the evolution of aposematism, highlight the distinction between qualitative and quantitative honesty and review theory and research relevant to these categories. We also review recent theoretical treatments of the evolution of aposematism that have focused on honest signalling as well as empirical research on a variety of organisms, including invertebrates and frogs. Finally, we discuss future directions for empirical and theoretical research in this area
We explore the relevance of honest signalling theory to the evolution of aposematism. We begin with a general consideration of models of signal stability, with a focus on the Zahavian costly signalling framework. Next, we review early models of signalling in the context of aposematism (some that are consistent and some inconsistent with costly honest signalling). We focus on controversies surrounding the idea that aposematic signals are handicaps in a Zahavian framework. Then, we discuss how the alignment of interests between signaller and predator influences the evolution of aposematism, highlight the distinction between qualitative and quantitative honesty and review theory and research relevant to these categories. We also review recent theoretical treatments of the evolution of aposematism that have focused on honest signalling as well as empirical research on a variety of organisms, including invertebrates and frogs. Finally, we discuss future directions for empirical and theoretical research in this area.
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aposematic
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https://doi.org/10.1111/jeb.12676 TagColorAposematico
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pubmed.ncbi.nlm.nih.gov pubmed.ncbi.nlm.nih.gov
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www-ncbi-nlm-nih-gov.pbidi.unam.mx:2443 www-ncbi-nlm-nih-gov.pbidi.unam.mx:2443
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aposematic
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poison
https://www.wikidata.org/wiki/Q619751
"Tag:"ColorAposetamitco
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Demonstrations of interactions between diverse selective forces on bright coloration in defended species are rare. Recent work has suggested that not only do the bright colours of Neotropical poison frogs serve to deter predators, but they also play a role in sexual selection, with females preferring males similar to themselves. These studies report an interaction between the selective forces of mate choice and predation. However, evidence demonstrating phenotypic discrimination by potential predators on these polymorphic species is lacking. The possibility remains that visual (avian) predators possess an inherent avoidance of brightly coloured diurnal anurans and purifying selection against novel phenotypes within populations is due solely to non-random mating. Here, we examine the influence of predation on phenotypic variation in a polymorphic species of poison frog, Dendrobates tinctorius. Using clay models, we demonstrate a purifying role for predator selection, as brightly coloured novel forms are more likely to suffer an attack than both local aposematic and cryptic forms. Additionally, local aposematic forms are attacked, though infrequently, indicating ongoing testing/learning and a lack of innate avoidance. These results demonstrate predator-driven phenotypic purification within populations and suggest colour patterns of poison frogs may truly represent a ‘magic trait’
Las demostraciones de interacciones entre diversas fuerzas selectivas sobre coloración brillante en especies defendidas son raras. Un trabajo reciente ha sugerido que los colores brillantes de las ranas venenosas neotropicales no solo sirven para disuadir a los depredadores, sino que también juegan un papel en la selección sexual, y las hembras prefieren a los machos similares a ellos. Estos estudios informan de una interacción entre las fuerzas selectivas de la elección de pareja y la depredación. Sin embargo, se carece de evidencia que demuestre la discriminación fenotípica por depredadores potenciales en estas especies polimórficas. Existe la posibilidad de que los depredadores visuales (aviares) posean una evitación inherente de anuros diurnos de colores brillantes y la selección purificadora contra nuevos fenotipos dentro de las poblaciones se deba únicamente al apareamiento no aleatorio. Aquí, examinamos la influencia de la depredación en la variación fenotípica en una especie polimórfica de rana venenosa, Dendrobates tinctorius. Usando modelos de arcilla, demostramos un papel purificador para la selección de depredadores, ya que las formas novedosas de colores brillantes tienen más probabilidades de sufrir un ataque que las formas aposemáticas y crípticas locales. Además, las formas aposemáticas locales son atacadas, aunque con poca frecuencia, lo que indica pruebas en curso
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https://doi.org/10.1098/rsbl.2008.0586
Tag:ColorAposematico
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twitter.com twitter.com
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https://twitter.com/bugsnstuffcom/status/1301445545299505153
Tag:ColorAposematico
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twitter.com twitter.com
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TAG:CicloVida
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twitter.com twitter.com
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Tag:Colage
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scholar.google.com scholar.google.com
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**Tag:"Aposematismo,ColorAposematico,Query
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scholar.google.com scholar.google.com
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Tag:Aposematismo,ColorAposematico,Query
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www.sciencedirect.com www.sciencedirect.com
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Aposematic
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https://doi.org/10.1006/jtbi.2001.2315
https://doi.org/10.1006/jtbi.2001.2315 Tag:ColorAposematico
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scholar.google.com scholar.google.com
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Tag:Aposematismo,ColorAposematico,Query
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royalsocietypublishing.org royalsocietypublishing.org
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Frequency-dependent predation may maintain or prevent colour pattern polymorphisms in prey, and can be caused by a variety of biological phenomena, including perceptual processes (search images), optimal foraging and learning. Most species are preyed upon by more than one predator species, which are likely to differ in foraging styles, perceptual and learning abilities. Depending upon the interaction between predator vision, background and colour pattern parameters, certain morphs may be actively maintained in some conditions and not in others, even with the same predators. More than one kind of predator will also affect stability, and only slight changes in conditions can cause a transition between polymorphism and monomorphism. Frequency-dependent selection is not a panacea for the explanation of variation in animal colour patterns, although it may be important in some systems.
La depredación dependiente de la frecuencia puede mantener o prevenir polimorfismos de patrones de color en la presa y puede ser causada por una variedad de fenómenos biológicos, incluidos los procesos de percepción (búsqueda de imágenes), la búsqueda de alimento y el aprendizaje óptimos. La mayoría de las especies son atacadas por más de una especie depredadora, que probablemente difieran en estilos de alimentación, habilidades de percepción y de aprendizaje. Dependiendo de la interacción entre la visión del depredador, el fondo y los parámetros del patrón de color, ciertos morfos pueden mantenerse activamente en algunas condiciones y no en otras, incluso con los mismos depredadores. Más de un tipo de depredador también afectará la estabilidad, y solo pequeños cambios en las condiciones pueden causar una transición entre polimorfismo y monomorfismo. La selección dependiente de la frecuencia no es una panacea para la explicación de la variación en los patrones de color de los animales, aunque puede ser importante en algunos sistemas.
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ColorAposematico
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academic.oup.com academic.oup.com
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https://doi.org/10.1093/beheco/arw009
PDFES https://drive.google.com/file/d/1F6cOdUooNulKUxLbURP3bzFqPGcEDRmE/view?usp=sharing
aposematismo
Tag:ColorAposematico
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academic.oup.com academic.oup.com
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ColorAposematico
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https://doi.org/10.1093/beheco/arl046
Tag:ColorAposematico
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link.springer.com link.springer.com
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link.springer.com link.springer.com
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https://doi.org/10.1007/BF00384948
Tag:ColorAposematico
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www.cell.com www.cell.com
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https://doi.org/10.1016/j.tree.2005.07.011
Tag:ColorAposematico
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www.jstor.org www.jstor.org
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https://doi.org/10.2307/3544135
Tag:ColorAposematico
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pubmed.ncbi.nlm.nih.gov pubmed.ncbi.nlm.nih.gov
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Immunotherapy for Neuro-Oncology
CienciasMedicas
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pubmed.ncbi.nlm.nih.gov pubmed.ncbi.nlm.nih.gov
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Pivotal Role of STAT3 in Shaping Glioblastoma Immune Microenvironment
CienciasMedicas
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pubmed.ncbi.nlm.nih.gov pubmed.ncbi.nlm.nih.gov
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IDH1
CienciasMedicas
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pubmed.ncbi.nlm.nih.gov pubmed.ncbi.nlm.nih.gov
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Multidimensional communication in the microenvirons of glioblastoma
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nph.onlinelibrary.wiley.com nph.onlinelibrary.wiley.com
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iopscience.iop.org iopscience.iop.org
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link.springer.com link.springer.com
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link.springer.com link.springer.com
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www.nature.com www.nature.com
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royalsocietypublishing.org royalsocietypublishing.org
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twitter.com twitter.com
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link-springer-com.pbidi.unam.mx:2443 link-springer-com.pbidi.unam.mx:2443
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www.bbc.co.uk www.bbc.co.uk
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LifeInColor Presentación
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www.bbc.co.uk www.bbc.co.uk
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LifeInColor patrón de color
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Bengal tiger
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www.bbc.co.uk www.bbc.co.uk
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male
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hummingbird
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www.bbc.co.uk www.bbc.co.uk
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UV light
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Bees
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LifeInColor
Se puede ver el color de las flores y la percepción de los insectos de esas flores, los insectos pueden ver UV
Aparecen un abeja y una araña, la araña presenta cripsis del tipo coincidencia de fondo con la flor, el color de la araña de pende de pigmentos obtenidos por alimento.
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- Apr 2021
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pubs.acs.org pubs.acs.org
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Vicia villosa
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malvidin
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delphinidin
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petunidin
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twitter.com twitter.com
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wit.istc.cnr.it wit.istc.cnr.it
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www.oclc.org www.oclc.org
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search.crossref.org search.crossref.org
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www.sciencedirect.com www.sciencedirect.com
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phenotypic plasticity
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- Mar 2021
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europepmc.org europepmc.org
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fluorescent components of the scorpions Centuroides vittatus and Pandinus imperator as beta-carboline
Este pigmento ha sido registrado en Wikidata
https://www.wikidata.org/wiki/Q23719025
¡Qué es esto? https://github.com/lmichan/biocolores
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zoologicalletters.biomedcentral.com zoologicalletters.biomedcentral.com
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β-carboline
Este pigmento ha sido registrado en Wikidata
https://www.wikidata.org/wiki/Q23719025
¡Qué es esto? https://github.com/lmichan/biocolores
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Crustacyanin
Este pigmento ha sido registrado en Wikidata
https://www.wikidata.org/wiki/Q23719025
¡Qué es esto? https://github.com/lmichan/biocolores
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Several context-dependent behavioral and physiological roles have been attributed to fluorescent proteins, ranging from communication and predation to UV protection
Se han atribuido a las proteínas fluorescentes varias funciones fisiológicas y de comportamiento dependientes del contexto, que van desde la comunicación y la depredación hasta la protección UV.
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bioluminescence
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optical phenomena
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Fluorescence
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twitter.com twitter.com
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twitter.com twitter.com
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link-springer-com.pbidi.unam.mx:2443 link-springer-com.pbidi.unam.mx:2443
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www.scienceopen.com www.scienceopen.com
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www.uu.nl www.uu.nl
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www.bbc.co.uk www.bbc.co.uk
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www.biorxiv.org www.biorxiv.org
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https://doi.org/10.1021/ja01459a008 Buena parte de historia
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www.sciencedirect.com www.sciencedirect.com
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recyt.fecyt.es recyt.fecyt.es
- Feb 2021
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sparontologies.github.io sparontologies.github.io
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link.springer.com link.springer.com
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Phylogenetic
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www.ncbi.nlm.nih.gov www.ncbi.nlm.nih.gov
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journals.plos.org journals.plos.org
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www.nature.com www.nature.com
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royalsocietypublishing.org royalsocietypublishing.org
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biomimetismo
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www.nature.com www.nature.com
- Jan 2021
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www.colourstudies.com www.colourstudies.com
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www.cell.com www.cell.com
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URL
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- Dec 2020
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trainingcontent.embl.org trainingcontent.embl.org
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www.ebi.ac.uk www.ebi.ac.uk
