Affiliation: | 1. Key Laboratory of Plant Immunity, Department of Plant Pathology, Nanjing Agricultural University, Nanjing, P. R. China ; 2. Financial Department, Nanjing Agricultural University, Nanjing, P. R. China ; 3. Laboratory of Virology, Department of Plant Sciences, Wageningen University, Wageningen, The Netherlands ; University of Cambridge, UNITED STATES |