1. Institute for Chemistry and Biology of the Marine Environment; University of Oldenburg; Oldenburg 26129 Germany
2. Genomic and Applied Microbiology and Göttingen Genomics Laboratory; Institute of Microbiology and Genetics; University of Göttingen; Göttingen 37077 Germany
3. ICBM-MPI Bridging Group for Marine Geochemistry; Institute for Chemistry and Biology of the Marine Environment; University of Oldenburg; Oldenburg 26129 Germany