1. State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory of Biotechnology in Plant Protection of Ministry of Agriculture and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo 315211, China.
2. Institute of Insect Science, Zhejiang University, Hangzhou 310058, China.
3. Institute of Biochemistry, Zhejiang University, Hangzhou 310058, China.
4. Department of Biochemistry, Virginia Tech, Blacksburg, VA, USA.