5Department of Marine Sciences, University of North Carolina - Chapel Hill, Chapel Hill, NC, USA.4Department of Microbiology, University of Tennessee, Knoxville, TN, USA.3MARUM Center for Marine Environmental Sciences, University of Bremen, Bremen, Germany.2HGF-MPG Joint Research Group on Deep Sea Ecology and Technology, Max Planck Institute for Marine Microbiology, Bremen, Germany.1HGF-MPG Joint Research Group on Deep Sea Ecology and Technology, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany.Lloyd 4, Andreas Teske 5, Antje Boetius 1,2 and Alban Ramette 1,2* Stefanie Meyer 1,2, Gunter Wegener 1,2,3, Karen G.