1. 1College of Life Science, Hebei University, Baoding 071002, PR China
2. 2State Key Laboratory of Microbial Resources, and Environmental Microbiology Research Center (EMRC), Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
3. 3University of Chinese Academy of Sciences, Beijing 100049, PR China
4. 4RCEECAS Joint-Lab of Microbial Technology for Environmental Science, Beijing, PR China