1. State Key Laboratory of Genetic Engineering, School of Life Science, Institute of Genetics, Fudan University, Shanghai, China
2. Department of Microbiology, School of Life Science, Fudan University, Shanghai, China
3. Beijing Nuclear Magnetic Resonance Center, College of Chemistry and Molecular Engineering, School of Life Sciences, Peking University, Beijing, China
4. Shanghai Engineering Research Center of Industrial Microorganisms, Shanghai, China
5. Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada