1. Institute of Polar Sciences, National Research Council (CNR-ISP), Spianata S. Raineri 86, 98122 Messina, Italy
2. Institute of Marine Engineering, National Research Council (CNR-INM), Via De Marini 6, 16149 Genoa, Italy
3. Laboratorio de Hidrobiologia, Institute of Biology, Federal University of Rio de Janeiro (UFRJ), Ilha do Fundao, Rio de Janeiro 21941-590, Brazil
4. Institute of Microbiology, Federal University of Rio de Janeiro (UFRJ), Av. Carlos Chagas Filho, Rio de Janeiro 21941-902, Brazil
5. Institute of Biological Resources and Marine Biotechnologies, National Research Council (CNR-IRBIM), 98122 Messina, Italy