1. State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, South China Agricultural University , Guangzhou 510642, China
2. Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life Sciences, South China Agricultural University , Guangzhou 510642, China
3. Guangdong Laboratory for Lingnan Modern Agriculture , Guangzhou 510642, China
4. Department of Biochemistry and Molecular Biology, University of Massachusetts , Amherst, Massachusetts 01003, USA