About the Authors

Patrick Fink

fink@limno.net

Affiliation Cologne Biocenter, Department of Aquatic Chemical Ecology, University of Cologne, Cologne, Germany

Claudia Pflitsch

Affiliation Cologne Biocenter, Department of Aquatic Chemical Ecology, University of Cologne, Cologne, Germany

Kay Marin

Affiliation Institute of Biochemistry, University of Cologne, Cologne, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PF. Performed the experiments: PF CP. Analyzed the data: PF CP KM. Contributed reagents/materials/analysis tools: KM. Wrote the paper: PF.