About the Authors

Tao Zhu

Contributed equally to this work with: Tao Zhu, Jian Tian

Affiliation Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China

Jian Tian

Contributed equally to this work with: Tao Zhu, Jian Tian

Affiliation Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China

Shuangyu Zhang

Affiliation Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China

Ningfeng Wu

wunf@caas.net.cn

Affiliation Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China

Yunliu Fan

Affiliation Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JT NW YF. Performed the experiments: TZ JT SZ. Analyzed the data: TZ JT NW. Contributed reagents/materials/analysis tools: TZ JT. Wrote the manuscript: TZ JT NW.