1. Tianjin Key Laboratory of Pulp and Paper, Tianjin University of Science & Technology, No. 29, 13th Avenue, Tianjin Economic and Technological Development Area, Tianjin 300457, China
2. Department of Biochemistry & Molecular Biology, Michigan State University, 603 Wilson Road, East Lansing, Michigan 48824, United States
3. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, Sichuan China