Degeneration of olfactory receptor gene repertories in primates: no direct link to full trichromatic vision.

@article{Matsui2010DegenerationOO,
  title={Degeneration of olfactory receptor gene repertories in primates: no direct link to full trichromatic vision.},
  author={Atsushi Matsui and Yasuhiro Go and Yoshihito Niimura},
  journal={Molecular biology and evolution},
  year={2010},
  volume={27 5},
  pages={1192-200}
}
Odor molecules in the environment are detected by olfactory receptors (ORs), being encoded by a large multigene family in mammalian genomes. It is generally thought that primates are vision oriented and dependent weakly on olfaction. Previous studies suggested that Old World monkeys (OWMs) and hominoids lost many functional OR genes after the divergence from New World monkeys (NWMs) due to the acquisition of well-developed trichromatic vision. To examine this hypothesis, here we analyzed OR… CONTINUE READING
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