About the Authors

Ee Li

Contributed equally to this work with: Ee Li, Feng Yue

Affiliations Institute of Microbiology, Chinese Academy of Sciences, Beijing, China, University of Chinese Academy of Sciences, Beijing, China

Feng Yue

Contributed equally to this work with: Ee Li, Feng Yue

Affiliations Institute of Microbiology, Chinese Academy of Sciences, Beijing, China, University of Chinese Academy of Sciences, Beijing, China

Qi Chang

Affiliations Institute of Microbiology, Chinese Academy of Sciences, Beijing, China, University of Chinese Academy of Sciences, Beijing, China

Xuena Guo

Affiliation Institute of Microbiology, Chinese Academy of Sciences, Beijing, China

Xiuping He

hexp@im.ac.cn

Affiliation Institute of Microbiology, Chinese Academy of Sciences, Beijing, China

Borun Zhang

Affiliation Institute of Microbiology, Chinese Academy of Sciences, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XH BZ. Performed the experiments: EL FY QC. Analyzed the data: EL FY XH. Contributed reagents/materials/analysis tools: EL FY QC XG. Wrote the paper: EL FY XH.