About the Authors

Martin Wu

Contributed equally to this work with: Martin Wu, Sourav Chatterji

mw4yv@virginia.edu

Affiliation Department of Biology, University of Virginia, Charlottesville, Virginia, United States of America

Sourav Chatterji

Contributed equally to this work with: Martin Wu, Sourav Chatterji

Affiliation Genome Center, University of California, Davis, California, United States of America

Jonathan A. Eisen

Affiliations Genome Center, University of California, Davis, California, United States of America, Section of Evolution and Ecology, College of Biological Sciences, University of California, Davis, California, United States of America, Department of Medical Microbiology and Immunology, School of Medicine, University of California, Davis, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MW SC. Performed the experiments: MW SC. Analyzed the data: MW SC. Contributed reagents/materials/analysis tools: MW SC. Wrote the paper: MW SC JAE.