1. Lab of Brewing Microbiology and Applied Enzymology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, P. R. China
2. Key Laboratory of Industrial Biotechnology of Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, P. R. China