About the Authors

Laura R Serbus

Affiliation Molecular, Cell, and Developmental Biology, University of California Santa Cruz, Santa Cruz, California, United States of America

William Sullivan

To whom correspondence should be addressed. E-mail: sullivan@biology.ucsc.edu

Affiliation Molecular, Cell, and Developmental Biology, University of California Santa Cruz, Santa Cruz, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

LRS and WS conceived and designed the experiments. LRS performed the experiments. LRS and WS analyzed the data. LRS and WS contributed reagents, materials, and analysis tools. LRS wrote the paper. LRS and WS edited the paper.