1 International Genome Center, Jiangsu University, Zhenjiang 212013, China.
2 Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, Jiangsu 210014, China; Department of Biological Sciences, University of South Carolina, Columbia, SC 29208, USA.
3 Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, Jiangsu 210014, China. Electronic address: fqliu20011@sina.com.
4 Department of Biological Sciences, University of South Carolina, Columbia, SC 29208, USA. Electronic address: zfu@mailbox.sc.edu.