1. Department of Biochemistry and Molecular Biology, Dalhousie University, Halifax, Nova Scotia, Canada B3H 4R2
2. Department of Biological Sciences, Mississippi State University, Mississippi State, MS 39762, USA
3. Department of Biological Sciences, University of Arkansas, Fayetteville, AR 72701, USA
4. Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada B3H 4R2
5. Centre Robert Cedergren, Département de Biochimie, Université de Montréal, Montréal, Québec, Canada H3C 3J7
6. Canadian Institute for Advanced Research, Integrated Microbial Biodiversity Program