1. Center for Environmental Biotechnology, University of Tennessee, Knoxville, Tennessee, USA
2. Joint Institute for Biological Sciences, University of Tennessee, Knoxville, and Oak Ridge National Laboratory, Knoxville, Tennessee, USA
3. Department of Microbiology, University of Tennessee, Knoxville, Tennessee, USA
4. Department of Earth and Planetary Sciences, University of Tennessee, Knoxville, Tennessee, USA
5. National Institute for Computational Sciences, University of Tennessee, Knoxville, and Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
6. Department of Geosciences, Princeton University, Princeton, New Jersey, USA
7. Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA
8. Vale Living with Lakes Centre, Laurentian University, Sudbury, Ontario, Canada
9. Department of Natural Resource Sciences, Macdonald Campus of McGill University, Ste. Anne de Bellevue, Quebec, Canada