1. Department of Environmental Microbiology, Helmholtz Centre for Environmental Research − UFZ, 04318 Leipzig, Germany
2. KU Leuven, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Molecular Bacteriology, BE-3000 Leuven, Belgium
3. School of Life Sciences, University of Siegen, 57076 Siegen, Germany