1. Division of Microbial Ecology, Department of Microbiology and Ecosystem Science; Research Network Chemistry meets Microbiology, University of Vienna; Vienna Austria
2. School of Biological Sciences; University of East Anglia, Norwich Research Park; Norwich NR4 7TJ UK
3. School of Biological Sciences; University of Aberdeen, Cruickshank Building, St Machar Drive; Aberdeen AB24 3UU UK
4. Department of Microbiology; Chungbuk National University, 1 Chungdae-ro, Seowon-Gu; Cheongju 362-763 South Korea
5. Department of Molecular Systems Biology; Helmholtz-Centre for Environmental Research-UFZ; Leipzig 04318 Germany
6. Department of Microorganisms; Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures Inhoffenstr. 7B; Braunschweig 38124 Germany
7. Department of Botany and Plant Pathology; Oregon State University, 2082 Cordley Hall; Corvallis OR 97331-2902 USA
8. Laboratoire Ampère, École Centrale de Lyon, L'Université de Lyon, 36 avenue Guy de Collongue; 69134 Ecully CEDEX France