1. iAMB—Institute of Applied Microbiology, ABBt—Aachen Biology and Biotechnology, RWTH Aachen University, Worringerweg 1, D-52074 Aachen, Germany
2. Chair of Microbiology, Technical University of Munich, D-85354 Freising, Germany
3. Center for Biotechnology—CeBiTec, Bielefeld University, D-33615 Bielefeld, Germany
4. AVT—Chair for Biochemical Engineering, RWTH Aachen University, D-52074 Aachen, Germany