1. State Key Laboratory of Crop Stress Biology for Arid Areas, Shaanxi Key Laboratory of Agricultural and Environmental Microbiology, College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, PR China
2. State Key Laboratory of Microbial Resources and Environmental Microbiology Research Center at Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
3. University of Chinese Academy of Sciences, Beijing 100049, PR China
4. State Key Laboratory of Microbial Biotechnology, Shandong University, Qingdao 266237, PR China