Hyper-specialized primates possess a reduced suite of xenobiotic-metabolizing cytochrome P450 genes
Morgan E. Chaney,
Anthony J. Tosi,
Christina M. Bergey
Abstract:Subfamilies of cytochrome P450 proteins have been strongly linked to the metabolism of physiologically disruptive compounds such as alkaloids, terpenoids, and other xenobiotics. Consistent with this function, these genes have adaptively evolved in response to environmental pressures exerted on animals, such as herbivores, that consume elevated amounts of toxic xenobiotics or plant secondary metabolites (PSMs). Theory on evolutionary tradeoffs predicts that highly specialized herbivores should exhibit a relativ… Show more
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