1. Center for Environmental Biotechnology, University of Tennessee, Knoxville, Tennessee.
2. Department of Microbiology, University of Tennessee, Knoxville, Tennessee.
3. Department of Ecology and Evolutionary Biology, University of Tennessee, Knoxville, Tennessee.
4. Department of Forestry, Wildlife and Fisheries, University of Tennessee, Knoxville, Tennessee.
5. School of Life Sciences, Heriot-Watt University, Edinburgh, United Kingdom.