About the Authors

Zhi-Gang Zhao

zhaozhg@lzu.edu.cn

Affiliation State Key Laboratory of Grassland and Agro-ecosystems, School of Life Sciences, Lanzhou University, Lanzhou, 730000, P.R. China

Yi-Ke Wang

Affiliation State Key Laboratory of Grassland and Agro-ecosystems, School of Life Sciences, Lanzhou University, Lanzhou, 730000, P.R. China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ZGZ. Performed the experiments: ZGZ YKW. Analyzed the data: ZGZ YKW. Contributed reagents/materials/analysis tools: ZGZ. Wrote the paper: ZGZ.