About the Authors

Matthew C Cowperthwaite

To whom correspondence should be addressed. E-mail: mattccowp@mac.com

Affiliation The Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, Texas, United States of America

J. J Bull

Affiliations The Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, Texas, United States of America , Section of Integrative Biology, The University of Texas at Austin, Austin, Texas, United States of America

Lauren Ancel Meyers

Affiliations The Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, Texas, United States of America , Section of Integrative Biology, The University of Texas at Austin, Austin, Texas, United States of America , Santa Fe Institute, Santa Fe, New Mexico, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

MCC, JJB, and LAM conceived and designed the experiments. MCC performed the experiments. MCC analyzed the data. MCC wrote the paper.