About the Authors

Xiaoyun Liao

Contributed equally to this work with: Xiaoyun Liao, Stephen Rong

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

Stephen Rong

Contributed equally to this work with: Xiaoyun Liao, Stephen Rong

Affiliation Biology Department, Washington University in St. Louis, St. Louis, Missouri, United States of America

David C. Queller

queller@wustl.edu

Affiliation Biology Department, Washington University in St. Louis, St. Louis, Missouri, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DCQ. Performed the experiments: XL SR. Analyzed the data: XL SR DCQ. Wrote the paper: DCQ XL SR.