1 Assistant Features Editor, The Plant Cell, American Society of Plant Biologists, Rockville, MD, USA.
2 Department of Plant Pathology, College of Plant Protection, Key Laboratory of Integrated Management of Crop Diseases and Pests, Ministry of Education, Nanjing Agricultural University, Nanjing 210095, China.
3 The Key Laboratory of Plant Immunity, Nanjing Agricultural University, Nanjing 210095, China.