1. Biology Department, Clark University, Worcester, Massachusetts, USA
2. USDA Forest Products Laboratory, Madison, Wisconsin, USA
3. Department of Plant Pathology, University of Minnesota, St. Paul, Minnesota, USA
4. Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario, Canada
5. Department of Energy, Joint Genome Institute, Walnut Creek, California, USA
6. Department of Plant and Microbial Biology, University of California, Berkeley, California, USA
7. Department of Plant and Microbial Biology, University of Minnesota, St. Paul, Minnesota, USA