CORDIS Project
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This project explores the relationship between melanin production, oxidative stress, and genetic quality in birds. Through experiments on house sparrows and studies on other species, it aims to understand how environmental factors influence melanic traits and their role in sexual selection.
Melanins are the most common pigments accounting for the color of animals.
Melanic traits often evolve as reliable signals of genotypic quality.
It has been proposed that this process depends on the levels of a key intracellular antioxidant (i.e. glutathione;
GSH), which are low during the production of one of the main types of melanin (i.e. eumelanin), but high during the production of the other form (i.e. pheomelanin).
Therefore, the current model for the evolution of melanic traits gives a ke…
UNIVERSITE PARIS-SUD
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