About the Authors
State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, China
China Agricultural University–Purdue University Joint Research Center, Beijing, China
National Center for Plant Gene Research, Beijing, China
The authors have declared that no competing interests exist.
Conceived and designed the experiments: LW DH JH ZC ZG. Performed the experiments: LW DH JH YD ZC XH. Analyzed the data: LW DH JH ZG. Contributed reagents/materials/analysis tools: LW DH JH. Wrote the paper: LW ZG.