About the Authors

Lin He

Affiliation School of Life Science, East China Normal University, Shanghai, China

Hui Jiang

Affiliation School of Life Science, East China Normal University, Shanghai, China

Dandan Cao

Affiliation Key Laboratory of Genome Sciences and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing, China

Lihua Liu

Affiliation School of Life Science, East China Normal University, Shanghai, China

Songnian Hu

Affiliation Key Laboratory of Genome Sciences and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing, China

Qun Wang

qun_300@hotmail.com

Affiliation School of Life Science, East China Normal University, Shanghai, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: QW LH. Performed the experiments: HJ DC. Analyzed the data: LH. Contributed reagents/materials/analysis tools: LH LL SH. Wrote the paper: LH.