1. Institute of Biology II, Molecular Biology of Archaea, University of Freiburg, Freiburg, Germany
2. Molecular Enzyme Technology and Biochemistry (MEB), Biofilm Centre, Centre for Water and Environmental Research (CWE), University of Duisburg-Essen, Essen, Germany
3. Center for Biotechnology (CEBITEC), Universität Bielefeld, Bielefeld, Germany
4. Department of Microbiology, College of Natural Sciences, Pusan National University, Busan, Republic of Korea