1. Institute for Inorganic and Analytical Chemistry, Friedrich Schiller University Jena, Jena, Germany
2. Theoretical Microbial Ecology Group, Institute of Microbiology, Faculty of Biological Sciences, Friedrich Schiller University Jena, Jena, Germany
3. School of Physics and Astronomy, University of Edinburgh, Edinburgh, United Kingdom
4. Phytoplankton Community Interactions Research Group, Max Planck Institute for Chemical Ecology, Jena, Germany