1. Department of Chemical Engineering, University of California Santa Barbara , Rm 3357 Engineering II, Santa Barbara, CA 93117 , USA
2. Biological and Biotechnology Sciences Division, DEVCOM Army Research Laboratory , 2800 Powder Mill Road, Adelphi, MD 20783 , USA
3. US Department of Energy Joint Genome Institute, Lawrence Berkeley National Laboratory , Berkeley, CA 94720 , USA
4. Department of Plant and Microbial Biology, University of California Berkeley , Berkeley, CA 94720 , USA
5. Joint BioEnergy Institute, Lawrence Berkeley National Laboratory , Berkeley, CA 94608 , USA