1. Gansu Key Laboratory of Biomonitoring and Bioremediation for Environmental Pollution, Institute of Microbiology, School of Life Science, Lanzhou University, Tianshui Road No.222, Lanzhou 730000, PR China
2. Gansu Institute for Drug Control, Yinan Road No.7, Lanzhou 730070, PR China
3. State Key Laboratory of Grassland Agro-ecosystems, School of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, PR China
4. Institute for Microbial and Biochemical Pharmacy, School of Pharmacy, Lanzhou University, Donggang Road No. 199, Lanzhou 730020, PR China
5. Gansu Academy of Sciences, Lanzhou 730000, PR China