About the Authors

Patrick Kaiser

Affiliation Institute of Microbiology, ETH Zurich, Zurich, Switzerland

Emma Slack

Affiliation Institute of Microbiology, ETH Zurich, Zurich, Switzerland

Andrew J. Grant

Affiliation Department of Veterinary Medicine, University of Cambridge, Cambridge, United Kingdom

Wolf-Dietrich Hardt

wolf-dietrich.hardt@micro.biol.ethz.ch (WDH); roland.regoes@env.ethz.ch (RRR)

Affiliation Institute of Microbiology, ETH Zurich, Zurich, Switzerland

Roland R. Regoes

wolf-dietrich.hardt@micro.biol.ethz.ch (WDH); roland.regoes@env.ethz.ch (RRR)

Affiliation Institute of Integrative Biology, ETH Zurich, Zurich, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PK ES WDH RRR. Performed the experiments: PK ES. Analyzed the data: PK ES WDH RRR. Contributed reagents/materials/analysis tools: AJG. Wrote the paper: PK ES AJG WDH RRR.