1. Department of Microbiology and Biotechnology, Universität Hamburg, Hamburg, Germany
2. Department of Pharmaceutical Chemistry, University of Vienna, Vienna, Austria
3. Department of Chemistry, Institute of Pharmacy, Universität Hamburg, Hamburg, Germany
4. Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Seeland, Germany
5. Institute of Microbiology and Genetics, Department of Genomic and Applied Microbiology, Georg-August University of Göttingen, Göttingen, Germany