1. Department of Microbiology and Plant Biology, University of Oklahoma, Norman, Oklahoma, USA
2. Department of Civil and Environmental Engineering, University of Washington, Seattle, Washington, USA
3. Institute for Environmental Genomics, University of Oklahoma, Norman, Oklahoma, USA
4. School of Civil Engineering and Environmental Sciences, University of Oklahoma, Norman, Oklahoma, USA
5. Earth and Environmental Sciences, Lawrence Berkeley National Laboratory, Berkeley, California, USA
6. School of Computer Science, University of Oklahoma, Norman, Oklahoma, USA