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Article

Molecular parallelisms between pigmentation in the avian iris and the integument of ectothermic vertebrates.

PLoS genetics - 1 Feb 2021

Andrade Pedro, Gazda Małgorzata A, Araújo Pedro M, Afonso Sandra, Rasmussen Jacob A, Marques Cristiana I, Lopes Ricardo J, Gilbert M Thomas P, Carneiro Miguel

Abstract excerpt

Birds exhibit striking variation in eye color that arises from interactions between specialized pigment cells named chromatophores. The types of chromatophores present in the avian iris are lacking from the integument of birds or mammals, but are remarkably similar to those found in the skin of ectothermic vertebrates. To investigate molecular mechanisms associated with eye coloration in birds, we took advantage...

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Identifiers

PMID: 33621224
DOI: 10.1371/journal.pgen.1009404
PMCID: PMC7935293

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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