Paraskevi Mara¹, Gaetan Burgaud², Gustavo A Ramirez³, Christopher M Reddy⁴, Sean Sylva⁵, David J. Beaudoin¹, Andreas Teske⁶ and Virginia P Edgcomb⁷, (1)Woods Hole Oceanographic Institution, Woods Hole, MA, United States, (2)University of Brest, LUBEM (Laboratory of Biodiversity and Microbial Ecology), Plouzané, France, (3)University of North Carolina, United States, (4)WHOI, Woods Hole, MA, United States, (5)Woods Hole Science Center Woods Hole, Woods Hole, MA, United States, (6)Univ of North Carolina, Marine Science, Chapel Hill, United States, (7)Woods Hole Oceanographic Institution, Geology and Geophysics Department, Woods Hole, MA, United States