The Molecular Evolution of Animal Reproductive Tract Proteins: What Have We Learned from Mating-system Comparisons?

Overview

Journal Int J Evol Biol

Publisher Hindawi

Specialty Biology

Date 2011 Jul 15

PMID 21755047

Citations 16

Authors

Alex Wong

Affiliations

Soon will be listed here.

Abstract

Postcopulatory sexual selection is thought to drive the rapid evolution of reproductive tract genes in many animals. Recently, a number of studies have sought to test this hypothesis by examining the effects of mating system variation on the evolutionary rates of reproductive tract genes. Perhaps surprisingly, there is relatively little evidence that reproductive proteins evolve more rapidly in species subject to strong postcopulatory sexual selection. This emerging trend may suggest that other processes, such as host-pathogen interactions, are the main engines of rapid reproductive gene evolution. I suggest that such a conclusion is as yet unwarranted; instead, I propose that more rigorous analytical techniques, as well as multigene and population-based approaches, are required for a full understanding of the consequences of mating system variation for the evolution of reproductive tract genes.

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