1. Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture and Rural Affairs, College of Life Sciences of Nanjing Agricultural University, 210095 Nanjing, P. R. China
2. Institute of Veterinary Immunology & Engineering, Jiangsu Academy of Agricultural Sciences, 210014 Nanjing, P. R. China
3. The Key Laboratory of Monitoring and Management of Plant Diseases and Insects of Chinese Ministry of Agriculture, College of Plant Protection, Nanjing Agriculture University, 210095 Nanjing, P. R. China
4. State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 211800 Nanjing, P. R. China