Monday, October 8, 2012

Evolutionary Genomics of Olfaction

Hi all --

Here is an interesting article about olfaction recently published by Yoshihito Niimura in Current Genomics: "Olfactory Receptor Multigene Family in Vertebrates: From the Viewpoint of Evolutionary Genomics." Niimura gives a general overview of the evolution of olfaction in vertebrates. Importantly, he finds that higher primates and other mammals with well-developed vision systems have a smaller number of olfactory receptor (OR) genes.  He also notes that there are about 400 OR genes in the human genome, forming the largest multi gene family.


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