Affiliation: | aNational Laboratory of Protein Engineering and Plant Genetic Engineering, Peking-Yale Joint Center for Plant Molecular Genetics and Agro-Biotechnology, College of Life Sciences, Peking University, Beijing 100871, China;bSchool of Biological Sciences, China Agriculture University, Beijing 100094, China;cMCDB Department, Yale University, New Haven, CT 06520-8104, USA |