1. Department of Biochemistry and Molecular Biology, University of Georgia, Athens, Georgia, USA
2. Environmental Genomics and Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, California, USA
3. Institute for Environmental Genomics, University of Oklahoma, Norman, Oklahoma, USA
4. Department of Microbiology and Plant Biology, University of Oklahoma, Norman, Oklahoma, USA
5. Oak Ridge National Lab, Oak Ridge, Tennessee, USA
6. Department of Civil and Environmental Engineering, University of Tennessee, Knoxville, Tennessee, USA
7. Department of Bioengineering, University of California, Berkeley, Berkeley, California, USA