1. Department of Molecular Microbiology & Bioenergetics Institute of Molecular Biosciences, Johann Wolfgang Goethe University Frankfurt/Main Max‐von‐Laue‐Str. 9 Frankfurt 60438 Germany
2. Göttingen Genomics Laboratory Institute for Microbiology and Genetics, Georg August University Grisebachstr. 8 Göttingen D‐37077 Germany