1. Department of Microbiology and Ecosystem Science, Division of Microbial Ecology, University of Vienna, 1090 Vienna, Austria.
2. Center for Microbial Communities, Department of Biotechnology, Chemistry and Environmental Engineering, Aalborg University, 9000 Aalborg, Denmark.
3. Large Instrument Facility for Advanced Isotope Research, University of Vienna, 1090 Vienna, Austria.
4. Commissariat à l’Energie Atomique, Direction des Sciences du Vivant, Institut de génomique, Genoscope, 91057 Evry, France.
5. Centre National de la Recherche Scientifique, UMR8030, 91057 Evry, France.
6. Université d’Evry Val d’Essonne, 91057 Evry, France.
7. Biozentrum Klein Flottbek, Microbiology and Biotechnology, University of Hamburg, 22609 Hamburg, Germany.
8. Department of Microbiology and Ecosystem Science, Division of Terrestrial Ecosystem Research, University of Vienna, 1090 Vienna, Austria.