Results 71 to 80 of about 1,352 (207)

Variation in pigmentation gene expression is associated with distinct aposematic color morphs in the poison frog Dendrobates auratus

open access: yesBMC Evolutionary Biology, 2019
Background Color and pattern phenotypes have clear implications for survival and reproduction in many species. However, the mechanisms that produce this coloration are still poorly characterized, especially at the genomic level.
Adam M. M. Stuckert   +6 more
doaj   +1 more source

Transient ectopic overexpression of agouti-signalling protein 1 (asip1) induces pigment anomalies in flatfish. [PDF]

open access: yesPLoS ONE, 2012
While flatfish in the wild exhibit a pronounced countershading of the dorso-ventral pigment pattern, malpigmentation is commonly observed in reared animals. In fish, the dorso-ventral pigment polarity is achieved because a melanization inhibition factor (
Raúl Guillot   +4 more
doaj   +1 more source

Biomimetic Iridescent Skin: Robust Prototissues Spontaneously Assembled from Photonic Protocells

open access: yesAdvanced Functional Materials, Volume 36, Issue 26, 30 March 2026.
Uniform nanoparticles are induced to form arrays (photonic crystals) in the cores of biopolymer capsules, endowing these ‘protocells’ with structural color. These protocells are then assembled into large self‐standing objects, i.e., prototissues, with robust mechanical properties as well as iridescent optical properties.
Medha Rath   +6 more
wiley   +1 more source

Visual phototransduction components in cephalopod chromatophores suggest dermal photoreception [PDF]

open access: yes, 2015
Author Posting. © The Author(s), 2015. This is the author's version of the work. It is posted here by permission of The Company of Biologists for personal use, not for redistribution.
Cronin, Thomas W.   +3 more
core  

The Genetic Basis of Color Polymorphism in the Orb‐Web Spider Gasteracantha cancriformis

open access: yesEcology and Evolution, Volume 16, Issue 3, March 2026.
This study investigates the genetic basis of coloration in the polymorphic spider Gasteracantha cancriformis using RNA‐seq data from different female color morphs. We assembled a reference transcriptome and identified differentially expressed genes associated with known pigmentation pathways, including carotenoids, melanin, ommochromes, and pteridines.
Paula Torres‐Quintero   +3 more
wiley   +1 more source

Pigment composition of the bright skin in the poison toad, Melanophryniscus rubriventris (Anura: Bufonidae) from Argentina [PDF]

open access: yes, 2017
The determination of the basis of skin colour is important to better understand the evolutionary and ecological relevance of colour variation in aposematic species.
Bonansea, Maria Ines   +2 more
core  

A Predictive Design Framework for Tunable Structural Colour Inspired by Morpho Nanostructures

open access: yesAdvances in Materials Science and Engineering, Volume 2026, Issue 1, 2026.
Structural colour arises from light interacting with nanoscale architectures, yet generalizable design rules for engineering such effects remain limited. Here, we introduce a predictive design framework for tunable structural colour based on simplified Morpho‐inspired photonic nanostructures.
Tobias Rosnitschek   +5 more
wiley   +1 more source

Ultrasensitive bionic photonic-electronic skin with wide red-shift mechanochromic response

open access: yesLight: Advanced Manufacturing
Mimicking animal skin is an effective strategy for enhancing the performance of artificial skin. Inspired by a chameleon’s iridophore and a spider’s slit organ, a novel photonic-electronic skin (PE-skin) with excellent optical/electrical dual-sensing ...
Tianqi Wang   +11 more
doaj   +1 more source

The Early Development of the Blue‐Eye Cichlid, Cryptoheros spilurus (Cichliformes: Cichlidae)

open access: yesEvolution &Development, Volume 27, Issue 4, December 2025.
We document the early development of Cryptoheros spilurus, highlighting rapid cranial differentiation, sensory organ formation, and fin development. Ontogenetic allometry and ultrastructural traits reveal functional adaptations for early foraging and locomotion, offering insights into ecological success and the developmental basis of cichlid ...
Rubén Alonso Contreras‐Tapia   +5 more
wiley   +1 more source

Phosphoproteomic analysis reveals the diversity of signaling behind ErbB‐inhibitor‐induced phenotypes

open access: yesThe FEBS Journal, Volume 292, Issue 24, Page 6557-6575, December 2025.
Whole‐organism phosphoproteomics after ErbB inhibitor treatment was assessed in zebrafish embryos. Differential signaling was uncovered after treatments with more selective ErbB inhibitors and pan‐ErbB inhibitors, despite similar neurological and myocardial phenotypes.
Katri Vaparanta   +10 more
wiley   +1 more source

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