About the Authors

Jamal M. Jefferson

Affiliation Biology Department, Williams College, Williamstown, Massachusetts, United States of America

Hilary A. Dolstad

Affiliation Biology Department, Williams College, Williamstown, Massachusetts, United States of America

Meera D. Sivalingam

Affiliation Biology Department, Williams College, Williamstown, Massachusetts, United States of America

Jonathan W. Snow

jsnow@barnard.edu

Affiliation Biology Department, Williams College, Williamstown, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JMJ JWS. Performed the experiments: JMJ HAD MDS JWS. Analyzed the data: JMJ HAD MDS JWS. Contributed reagents/materials/analysis tools: JWS. Wrote the paper: JWS.