Jingyi Cai1,3, Tianwei Tan1,* and S. H. Joshua Chan2,*
1 National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing, 100029, China
2 Chemical and Biological Engineering, Colorado State University, Fort Collins CO, 80523, USA
3 Biodesign Center, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Science, Tianjin, 300300, China