1. Biosystems Engineering Department, Auburn University, 350 Mell Street, Auburn, Alabama 36894, United States
2. National Bioenergy Center, National Renewable Energy Lab, 15013 Denver West Parkway, Golden, Colorado 80401, United States
3. Biosciences Center, National Renewable Energy Lab, 15013 Denver West Parkway, Golden, Colorado 80401, United States
4. Department of Biochemistry & Molecular Biology, MS330, University of Nevada, Reno, Reno, Nevada 89557-0330, United States
5. Department of Natural Resource and Environmental Science, University of Nevada, Reno, 1664 North Virginia Street, Reno, Nevada 89557, United States