1. Laboratory for Microbiology; Department of Biology; Philipps-University Marburg; Karl-von-Frisch Str. 8 D-35043 Marburg Germany
2. LOEWE-Center for Synthetic Microbiology; Philipps-University Marburg; Hans-Meerwein Str. D-35043 Marburg Germany
3. Institute of Organic Chemistry; Technical University of Braunschweig; Hagenring 30 D-38106 Braunschweig Germany
4. Laboratory of Microbiology of Extreme Environments; UMR 6197 (CNRS - Ifremer - UBO); European Institute of Marine Studies; University of West Brittany (Brest); Technopole Brest-Iroise F-29280 Plouzané France
5. Institute of Biochemistry; Heinrich-Heine-University Düsseldorf; Universitäts Str. 1 D-40225 Düsseldorf Germany
6. Kekule-Institute for Organic Chemistry and Biochemistry; Friedrich Wilhelms-University Bonn; Gerhard-Domagk-Str. 1 D-53121 Bonn Germany