1 Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China; State Key Laboratory of Plant Genomics, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China.
2 Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China; State Key Laboratory of Plant Genomics, Beijing 100101, China.
3 Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China; State Key Laboratory of Plant Genomics, Beijing 100101, China. Electronic address: wanghy@im.ac.cn.
4 Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China; State Key Laboratory of Plant Genomics, Beijing 100101, China. Electronic address: xiagx@im.ac.cn.