1. Microbial Genome Research Center, CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, P. R. China
2. Graduate University of Chinese Academy of Sciences, CAS, Beijing 100049, P. R. China
3. China General Microbiological Culture Collection Center, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, P. R. China
4. Beijing Genomics Institute, Shenzhen 518000, P. R. China