About the Authors

Hui-min Hu

Contributed equally to this work with: Hui-min Hu, Shou-bing Zhang

Affiliations State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China, Graduate University of Chinese Academy of Sciences, Beijing, China

Shou-bing Zhang

Contributed equally to this work with: Hui-min Hu, Shou-bing Zhang

Affiliations State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China, Graduate University of Chinese Academy of Sciences, Beijing, China

Xiao-hua Lei

Affiliation State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China

Zhi-li Deng

Affiliations State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China, Graduate University of Chinese Academy of Sciences, Beijing, China

Wei-xiang Guo

Affiliations State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China, Graduate University of Chinese Academy of Sciences, Beijing, China

Zhi-fang Qiu

Affiliations State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China, Graduate University of Chinese Academy of Sciences, Beijing, China

Shuang Liu

Affiliations State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China, Graduate University of Chinese Academy of Sciences, Beijing, China

Xin-yue Wang

Affiliations State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China, Graduate University of Chinese Academy of Sciences, Beijing, China

He Zhang

Affiliation West North Agri-forestry University, Yangling, Shaanxi, China

En-kui Duan

duane@ioz.ac.cn

Affiliation State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ED HH SZ WG ZQ. Performed the experiments: HH XL ZD SL XW HZ. Wrote the paper: HH SZ.