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A Common Endocrine Signature Marks The Convergent Evolution Of An Elaborate Dance Display In Frogs, Nigel K. Anderson, Eric R. Schuppe, K. V. Gururaja, Lisa A. Mangiamele, Juan Carlos Cusi Martinez, H. Priti, Rudolf Von May, Doris Preininger, Matthew J. Fuxjager
A Common Endocrine Signature Marks The Convergent Evolution Of An Elaborate Dance Display In Frogs, Nigel K. Anderson, Eric R. Schuppe, K. V. Gururaja, Lisa A. Mangiamele, Juan Carlos Cusi Martinez, H. Priti, Rudolf Von May, Doris Preininger, Matthew J. Fuxjager
Biological Sciences: Faculty Publications
Unrelated species often evolve similar phenotypic solutions to the same environmental problem, a phenomenon known as convergent evolution. But how do these common traits arise? We address this question from a physiological perspective by assessing how convergence of an elaborate gestural display in frogs (foot-flagging) is linked to changes in the androgenic hormone systems that underlie it. We show that the emergence of this rare display in unrelated anuran taxa is marked by a robust increase in the expression of androgen receptor (AR) messenger RNA in the musculature that actuates leg and foot movements, but we find no evidence of …