1. Max Planck Institute for Marine Microbiology, Bremen, Germany
2. Max Planck Genome Centre Cologne, Max Planck Institute for Plant Breeding Research, Cologne, Germany
3. Max Planck Institute for Terrestrial Microbiology, Marburg, Germany
4. Energy Bioengineering and Geomicrobiology Group, University of Calgary, Calgary, Alberta, Canada
5. Department of Plant and Microbial Biology, North Carolina State University, Raleigh, North Carolina, USA
6. MARUM, Center for Marine Environmental Sciences, University of Bremen, Bremen, Germany