Physiological plasticity in zebra finch color varieties mitigates DNA damage under oxidative stress

Summary: Melanins are fundamental vertebrate pigments. Pheomelanin synthesis utilizes cysteine, a precursor for the antioxidant glutathione. Sustained pheomelanin synthesis may thus reduce cysteine availability for antioxidant defenses, resulting in a trade-off most relevant in stressful environment...

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Bibliographic Details
Main Authors: Cristiana I. Marques, Sol Rodríguez-Martínez, Pedro Miguel Araújo, Sandra Afonso, Mohammed Zougagh, Ángel Ríos, Miguel Carneiro, Ismael Galván
Format: Article
Language:English
Published: Elsevier 2025-07-01
Series:iScience
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Online Access:http://www.sciencedirect.com/science/article/pii/S2589004225011988
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