1. Department of Biology-Microbiology, Universitat de les Illes Balears, Palma de, Mallorca, Spain
2. Serveis Cientifico-Tècnics, Universitat de les Illes Balears, Palma de Mallorca, Spain
3. Institut Mediterrani d’Estudis Avançats (IMEDEA, CSIC-UIB), Palma de Mallorca, Spain
4. DOE Joint Genome Institute, 2800 Mitchell Drive, Walnut Creek, CA 94598-1698, USA
5. Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures, 38124 Braunschweig, Germany
6. School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK