1. Chemical Microbiology, Helmholtz Center for Infection Research; Braunschweig 38124 Germany
2. Microbial Interactions and Processes; Helmholtz Center for Infection Research; Braunschweig 38124 Germany
3. Central Facility for Microscopy, Helmholtz Center for Infection Research; Braunschweig 38124 Germany
4. Chemical Biology, Helmholtz Center for Infection Research; Braunschweig 38124 Germany