About the Authors

Haimao Zhan

Affiliation Department of Botany and Plant Sciences, University of California Riverside, Riverside, California, United States of America

Shizhong Xu

shizhong.xu@ucr.edu

Affiliation Department of Botany and Plant Sciences, 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: SX. Performed the experiments: HZ. Analyzed the data: HZ. Contributed reagents/materials/analysis tools: HZ. Wrote the paper: HZ SX.