About the Authors

Yonghui Zhao

yonghuiz@ucr.edu

Affiliation Department of Biology, University of California Riverside, Riverside, California, United States of America

Nadia A. Ayoub

Current address: Department of Biology, Washington and Lee University, Lexington, Virginia, United States of America

Affiliation Department of Biology, University of California Riverside, Riverside, California, United States of America

Cheryl Y. Hayashi

Affiliation Department of Biology, University of California Riverside, Riverside, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YZ NA CH. Performed the experiments: YZ NA. Analyzed the data: YZ NA CH. Contributed reagents/materials/analysis tools: CH. Wrote the paper: YZ NA CH.