About the Authors

Gregory S. Jensen

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

Elizabeth S. Haswell

ehaswell@wustl.edu

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: EH. Performed the experiments: EH GJ. Analyzed the data: EH GJ. Wrote the paper: EH GJ.