1. Department of Plant and Environmental Sciences, The Institute of Life Sciences, The Hebrew University of Jerusalem, Edmond J. Safra Campus, 91904 Jerusalem, Israel
2. Microbiology Unit, BIOCANT Biotechnological Park, 3060-197 Cantanhede, Portugal
3. Department of Microbiology & Molecular Genetics, Biomedical Physical Sciences, Michigan State University, East Lansing, MI 48824-4320, USA
4. Department of Biological Sciences, University of Alaska Anchorage, AK 99508, USA
5. Department of Ecology and Marine Resources, Mediterranean Institute for Advanced Studies (IMEDEA UIB-CSIC), 07190 Esporles, Spain
6. Department of Biology, University of Konstanz, D-78457 Konstanz, Germany
7. Department of Applied Sciences, Northumbria University, Newcastle upon Tyne NE1 8ST, UK
8. Departamento de Microbiología y Genética, Campus Miguel de Unamuno, Universidad de Salamanca, 37007 Salamanca, Spain
9. Department of Microbiology, 527 Biological Sciences Building, University of Georgia, Athens, GA 30602-2605, USA