1. State Key Lab of Microbial Technology; Shandong University; 27 Shanda South Road Jinan 250100 China
2. School of Environmental Science and Engineering; Sun Yat-sen University, Guangzhou 510275 (China)
3. State Key Laboratory of Microbial Metabolism and; School of Life Sciences and Biotechnology; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 China