1. Tianjin Key Laboratory of Microbial Functional Genomics, Tianjin 300457, PR China
2. TEDA School of Biological Sciences and Biotechnology, Nankai University, 23 Hongda Street, TEDA, Tianjin 300457, PR China
3. N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russian Federation
4. Tianjin Research Center for Functional Genomics and Biochip, Tianjin 300457, PR China
5. The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, PR China