1. State Key Laboratory of Agrobiotechnology, Beijing, People’s Republic of China
2. College of Biological Sciences and Rhizobium Research Center, China Agricultural University, Beijing, People’s Republic of China
3. Departamento de Microbiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, México City, México
4. College of Food Science and Pharmacy, Xinjiang Agricultural University, Urumqi, Xinjiang Uygur Autonomous Region, People’s Republic of China