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petriphyloOur research investigates the molecular basis of visual adaptations in vertebrates using an evolutionary comparative approach. We use studies of natural genetic variation to investigate the molecular mechanisms underlying key functional shifts in the evolution of visual proteins. Our motivation is not only to develop a better understanding of how animals adapt to different visual environments, but also to provide insight into how visual proteins function. In order to investigate the evolutionary history of visual proteins, our research includes investigations of both resurrected ancestral proteins as well as present day visual pigments. We are also interested in applying comparative approaches to investigate mechanisms of visual disease. Current research areas include: