1. Molecular Enzyme Technology and Biochemistry (MEB), Biofilm Centre, Centre for Water and Environmental Research (CWE), Faculty of Chemistry, University of Duisburg-Essen, Universitätsstraße 5, 45141 Essen, Germany
2. Institute of Biology II, Molecular Biology of Archaea, University of Freiburg, Schaenzlestraße 1, 79104 Freiburg, Germany
3. Center for Biotechnology (CEBITEC), University of Bielefeld, Universitätsstraße 25, 33615 Bielefeld, Germany
4. Institute for Bioinformatics and Systems Biology, Justus-Liebig-University Giessen, Heinrich-Buff-Ring 58, 35392 Giessen, Germany