1. Department of Bacteriology, University of Wisconsin-Madison, Madison, Wisconsin, USA
2. Department of Energy, Great Lakes Bioenergy Research Center, University of Wisconsin-Madison, Madison, Wisconsin, USA
3. Los Alamos National Laboratory, Biosciences Division Genome Science, Los Alamos, New Mexico, USA
4. U.S. Department of Energy (DOE) Joint Genome Institute, Walnut Creek, California, USA