About the Authors

Elizabeth A Ostrowski, Gad Shaulsky, David C Queller, Joan E Strassmann
Department of Ecology and Evolutionary Biology, Rice University, Houston, Texas, United States of America

Mariko Katoh, Gad Shaulsky
Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, United States of America

Corresponding Author

ostrowski@rice.edu

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.