1. Geomicrobiology, Department of Geosciences, University of Tuebingen, 72076 Tuebingen, Germany
2. Plant Biogeochemistry, Department of Geosciences, University of Tuebingen, 72076 Tuebingen, Germany
3. Plant Biogeochemistry, Department of Environmental Microbiology, Helmholtz Centre for Environmental Research - UFZ, 04318 Leipzig, Germany
4. Department of Earth System Science, Stanford University, Stanford, California 94305, United States
5. Cluster of Excellence: EXC 2124: Controlling Microbes to Fight Infection, University of Tuebingen, 72076 Tuebingen, Germany