Evolution of opsin expression in birds driven by sexual selection and habitat.

  title={Evolution of opsin expression in birds driven by sexual selection and habitat.},
  author={Natasha I Bloch},
  journal={Proceedings. Biological sciences},
  volume={282 1798},
Theories of sexual and natural selection predict coevolution of visual perception with conspecific colour and/or the light environment animals occupy. One way to test these theories is to focus on the visual system, which can be achieved by studying the opsin-based visual pigments that mediate vision. Birds vary greatly in colour, but opsin gene coding sequences and associated visual pigment spectral sensitivities are known to be rather invariant across birds. Here, I studied expression of the… CONTINUE READING
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Evolution of visual pigments in passerine birds : from opsin genes to visual pigment function

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