Nature Genetics 38, 740 - 741 (2006)
doi:10.1038/ng0706-740
Monkey see, monkey doBenjamin Prud'homme & Sean B Carroll
Benjamin Prud'homme and Sean B. Carroll are at the Howard Hughes Medical Institute and the University of Wisconsin, Bock Laboratories, 1525 Linden Drive, Madison, Wisconsin
53706, USA. sbcarrol@wisc.edu
A new study shows that the independent adaptation to a ruminant lifestyle in two leaf-eating monkeys relied on parallel amino acid substitutions in ribonuclease gene duplicates. This discovery suggests that, given similar initial conditions, proteins may repeatedly follow similar adaptive evolutionary paths.
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