1. State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, 430070 Hubei Province, People’s Republic of China
2. Hubei Key Laboratory of Plant Pathology, College of Plant Science and Technology, Huazhong Agricultural University, Hubei Province, Wuhan 430070, People’s Republic of China
3. United States Department of Agriculture/Agricultural Research Service, Toledo, OH 43606, USA