1. Botanical Institute and Cluster of Excellence on Plant Sciences (CEPLAS); University of Cologne, BioCenter; Zuelpicher Str. 47a 50674 Cologne Germany
2. Institute for Microbiology; Heinrich Heine University; Universitätsstraße 1 40225 Düsseldorf Germany
3. Central Institute for Engineering, Electronics and Analytics, ZEA-3; Forschungszentrum Jülich; Wilhelm-Johnen-Str. 52428 Jülich Germany