1. College of Bioscience and Engineering, Jiangxi Agricultural University, Nanchang 330045, PR China
2. Chinese Academy of Fishery Sciences, Beijing 100141, China
3. Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China
4. Department of Microbiology and Molecular Genetics, College of Biological Sciences, University of California, Davis, Davis 95616, California, United States