1. Evolutionary Genomics Group, División de MicrobiologíaUniversidad Miguel Hernández, Apartado 18, San Juan 03550 Alicante Spain
2. Laboratory for Theoretical and Computer Research on Biological Macromolecules and GenomesMoscow Institute of Physics and Technology 141701 Dolgoprudny Russia
3. Department of Marine Microbiology and BiogeochemistryRoyal Netherlands Institute for Sea Research (NIOZ) Texel The Netherlands
4. Department of Physiology, Genetics, and MicrobiologyUniversity of Alicante Alicante Spain
5. Flow Cytometry Unit, Pompeu Fabra University (UPF) and Centre for Genomic Regulation (CRG)The Barcelona Institute for Sciences and Technology (BIST) Barcelona Spain