Visioconférence en ligne : https://youtu.be/8hX-MiID76A
Yellow, orange, and red, carotenoid-based pigmentation is one of the pivotal drivers of avian diversity. Apart from producing an impressive range of colors and patterns, it has an important role in individual quality signaling and interactions. The carotenoid coloration is generated through the deposition of diet-derived pigments, but the mechanisms of carotenoid uptake and transport are not well understood.
In my PhD I aimed to develop comprehensive links between carotenoid-based coloration and their genetic basis, using three different breeds of domestic canaries as model system. The studies were performed by resequencing whole genomes and establishing association between genotype and phenotype. Ultimately, the candidate genes were functionally tested to confirm the association and to provide detailed information about gene function. During the seminar I will present results regarding two genes (SCARB1 and BCO2) and their implications for general biology.