1. Joint Bioenergy Institute, 5885 Hollis Street, Emeryville, California 94608, United States
2. Department
of Biology, Miami University, 212 Pearson Hall, Oxford, Ohio 45046, United States
3. Novo
Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Kogle Allé, DK2970-Hørsholm, Denmark