1. Université Clermont Auvergne, CNRS, Laboratoire Microorganismes: Genome et Environnement , Clermont-Ferrand F-63000, France
2. DOE Joint Genome Institute, Lawrence Berkeley National Laboratory , Berkeley, CA 94720, USA
3. Computational Metagenomics, Bielefeld University , Universitätsstraße 27, Bielefeld 30501, Germany
4. Center for Biotechnology, Bielefeld University , Universitätsstraße 27, Bielefeld 33615, Germany
5. The Biodesign Center for Fundamental and Applied Microbiomics, Center for Evolution and Medicine, School of Life Sciences, Arizona State University , Tempe, AZ 85287, USA
6. Structural Biology Research Unit, Department of Integrative Biomedical Sciences, University of Cape Town , Observatory, Cape Town 7701, South Africa