About the Authors

Nikki E. Freed

Current address: Department of Environmental Microbiology, EAWAG, and Institute of Biogeochemistry and Pollutant Dynamics, Eidgenössische Technische Hochschule (ETH) Zurich, Switzerland

Affiliation Institute of Integrative Biology, Eidgenössische Technische Hochschule (ETH) Zurich, Zurich, Switzerland

Olin K. Silander

Current address: Department of Environmental Microbiology, EAWAG, and Institute of Biogeochemistry and Pollutant Dynamics, Eidgenössische Technische Hochschule (ETH) Zurich, Switzerland

Affiliation Institute of Integrative Biology, Eidgenössische Technische Hochschule (ETH) Zurich, Zurich, Switzerland

Bärbel Stecher

Affiliation Institute of Microbiology, Eidgenössische Technische Hochschule (ETH) Zurich, Zurich, Switzerland

Alex Böhm

Affiliation Biozentrum, University of Basel, Basel, Switzerland

Wolf-Dietrich Hardt

Affiliation Institute of Microbiology, Eidgenössische Technische Hochschule (ETH) Zurich, Zurich, Switzerland

Martin Ackermann

martin.ackermann@env.ethz.ch

Affiliation Institute of Integrative Biology, Eidgenössische Technische Hochschule (ETH) Zurich, Zurich, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NEF OKS BS WDH MA. Performed the experiments: NEF OKS BS. Analyzed the data: NEF OKS BS WDH MA. Contributed reagents/materials/analysis tools: BS AB WDH. Wrote the paper: NEF OKS MA.