About the Authors
State Key Laboratory for Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou, People's Republic of China
School of Biosciences, University of Exeter, Exeter, United Kingdom
The authors have declared that no competing interests exist.
Conceived and designed the experiments: XY ZW. Performed the experiments: XY YL XFY CW YQ DK ZM ZW. Analyzed the data: XY ZW YL NJT. Wrote the paper: XY ZW NJT.