Results 11 to 20 of about 502 (147)

A Simple Method for RNA‐Seq of Manually Isolated Chromatophores in Oryzias Fishes [PDF]

Development, Growth &Differentiation, Volume 68, Issue 3, April 2026.
ABSTRACT RNA sequencing (RNA‐seq) has become an essential tool for analyzing gene expression and exploring cell type–specific transcriptomes. However, sample preparation and quality control remain challenging, as current approaches typically rely on dissecting tissues containing mixed cell populations or using flow cytometry to isolate fluorescently ...
Makoto Goda, Asuka Miyagi, Keisuke Sugiwaka, Masakatsu Watanabe, Manabu Bessho‐Uehara, Masahiko Hibi, Atsushi Toyoda, Rieko Tanaka, Kawilarang W. A. Masengi, Kazunori Yamahira, Satoshi Ansai, Hisashi Hashimoto   +11 more
wiley   +2 more sources

Pigments, Chromatophore Structure, and Gene Expression Underlying Colour Polytypy of a Panamanian Poison Frog [PDF]

Molecular Ecology, Volume 35, Issue 1, January 2026.
ABSTRACT Colour polytypism represents an example of phenotypic diversification shaped by genetic divergence and ecological pressures. Poison frogs of the genus Oophaga (Dendrobatidae) are highly polytypic in coloration, making them an ideal system for investigating the genetic and physiological basis of colour variation.
Vasiliki Mantzana‐Oikonomaki, Giselle Tamayo‐Castillo, Víctor Vásquez‐Cháves, Abel Mora‐Machado, William J. Zamora Ramirez, Roberto Ibáñez, Heike Pröhl, Ariel Rodríguez   +7 more
wiley   +2 more sources

Control Strategies in Guanine Biocrystallization [PDF]

Angewandte Chemie, Volume 138, Issue 18, 27 April 2026.
Biological guanine crystals produce spectacular photonic phenomena in animals and hold great promise as new, sustainable optical materials. We review how organisms precisely control the structure, morphologies, and resulting optical properties of these crystals using a set of ingenious ‘design’ strategies, including control of pH, template‐directed ...
Shashanka S. Indri, Avital Wagner, Benjamin A. Palmer   +2 more
wiley   +3 more sources

A Chromosome Inversion Creates a Supergene for Sex and Colour in Lake Malawi Cichlids [PDF]

Molecular Ecology, Volume 34, Issue 20, October 2025.
ABSTRACT Cichlid fishes have the highest rates of evolutionary turnover of sex chromosomes among vertebrates. Many large structural polymorphisms in the radiation of cichlids in Lake Malawi are associated with sex chromosomes and may also carry adaptive variation.
Kristen A. Behrens, Soumya Jailwala, Frances E. Clark, Anne C. Meyer, Nikesh M. Kumar, Adrianus F. Konings, Reade B. Roberts, Matthew A. Conte, Jeffrey T. Streelman, Patrick T. McGrath, Thomas D. Kocher   +10 more
wiley   +2 more sources

Disruption of mc1r Disturbs Skin Pigmentation in Xenopus tropicalis [PDF]

Pigment Cell &Melanoma Research, Volume 38, Issue 4, July 2025.
ABSTRACT The melanocortin 1 receptor (MC1R) is well‐established as a pivotal regulator of pigmentation in various species. Despite a wealth of research focused on mammals and fish, the role of Mc1r in amphibians has remained largely unexplored. This study was designed to elucidate the contribution of Mc1r in Xenopus tropicalis.
Lanxin Li, Jixuan Huang, Yonglong Chen, Rensen Ran   +3 more
wiley   +2 more sources

Leucophores are similar to xanthophores in their specification and differentiation processes in medaka [PDF]

Proceedings of the National Academy of Sciences, 2014
Significance Body color plays an important role in the diversity and speciation of vertebrates. In this paper, we revealed that three loci in medaka, leucophore free ( lf ), lf-2 , and white leucophore , which affect leucophores and ...
Tetsuaki, Kimura, Yusuke, Nagao, Hisashi, Hashimoto, Yo-ichi, Yamamoto-Shiraishi, Shiori, Yamamoto, Taijiro, Yabe, Shinji, Takada, Masato, Kinoshita, Atsushi, Kuroiwa, Kiyoshi, Naruse   +9 more
openaire   +2 more sources

Heterotypic interactions regulate cell shape and density during color pattern formation in zebrafish

Biology Open, 2016
The conspicuous striped coloration of zebrafish is produced by cell-cell interactions among three different types of chromatophores: black melanophores, orange/yellow xanthophores and silvery/blue iridophores.
Prateek Mahalwar, Ajeet Pratap Singh, Andrey Fadeev, Christiane Nüsslein-Volhard, Uwe Irion   +4 more
doaj   +1 more source

Genetic and correlative light and electron microscopy evidence for the unique differentiation pathway of erythrophores in brown trout skin

Scientific Reports, 2022
Based on their cell ultrastructure, two types of erythrophores in the spotted skin regions of brown trout (Salmo trutta) were previously described. To test the hypothesis regarding the origin of a new cell type following genome duplication, we analysed ...
Simona Sušnik Bajec, Ida Djurdjevič, Carmen Linares Andújar, Mateja Erdani Kreft   +3 more
doaj   +1 more source

Thyroid hormone regulates distinct paths to maturation in pigment cell lineages

eLife, 2019
Thyroid hormone (TH) regulates diverse developmental events and can drive disparate cellular outcomes. In zebrafish, TH has opposite effects on neural crest derived pigment cells of the adult stripe pattern, limiting melanophore population expansion, yet
Lauren M Saunders, Abhishek K Mishra, Andrew J Aman, Victor M Lewis, Matthew B Toomey, Jonathan S Packer, Xiaojie Qiu, Jose L McFaline-Figueroa, Joseph C Corbo, Cole Trapnell, David M Parichy   +10 more
doaj   +1 more source

Pigment-Aggregating Action of Endothelins on Medaka Xanthophores [PDF]

Zoological Science, 2000
Abstract Mammalian endothelins (ETs) -1, -2 and -3 effectively aggregated pigmentary organelles in xanthophores of the medaka, Oryzias latipes. IRL 1620 and sarafotoxin S6c, both being selective agonists of the mammalian ETB receptor, were also found to aggregate xanthosomes in those cells.
Naotaka Murata, Ryozo Fujii
openaire   +1 more source