About the Authors

Elizabeth A Ostrowski

Contributed equally to this work with: Elizabeth A Ostrowski, Mariko Katoh

To whom correspondence should be addressed. E-mail: ostrowski@rice.edu

Affiliation Department of Ecology and Evolutionary Biology, Rice University, Houston, Texas, United States of America

Mariko Katoh

Contributed equally to this work with: Elizabeth A Ostrowski, Mariko Katoh

Affiliation Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, United States of America

Gad Shaulsky

Affiliations Department of Ecology and Evolutionary Biology, Rice University, Houston, Texas, United States of America , Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, United States of America

David C Queller

Affiliation Department of Ecology and Evolutionary Biology, Rice University, Houston, Texas, United States of America

Joan E Strassmann

Affiliation Department of Ecology and Evolutionary Biology, Rice University, Houston, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

EAO and MK conducted the experimental work. EAO, MK, GS, DCQ, and JES conceived of the study, discussed the results, and wrote the manuscript.