Stratified prokaryote network in the oxic–anoxic transition of a deep-sea halocline

Daniele Daffonchio (), Sara Borin, Tullio Brusa, Lorenzo Brusetti, Paul W. J. J. van der Wielen, Henk Bolhuis, Michail M. Yakimov, Giuseppe D'Auria, Laura Giuliano, Danielle Marty, Christian Tamburini, Terry J. McGenity, John E. Hallsworth, Andrea M. Sass, Kenneth N. Timmis, Anastasios Tselepides, Gert J. de Lange, Andreas Hübner, John Thomson, Soterios P. Varnavas, Francesco Gasparoni, Hans W. Gerber, Elisa Malinverno and Cesare Corselli
Additional contact information
Daniele Daffonchio: CoNISMa, Ulr Università degli Studi di Milano, DiSTAM
Sara Borin: CoNISMa, Ulr Università degli Studi di Milano, DiSTAM
Tullio Brusa: CoNISMa, Ulr Università degli Studi di Milano, DiSTAM
Lorenzo Brusetti: CoNISMa, Ulr Università degli Studi di Milano, DiSTAM
Paul W. J. J. van der Wielen: University of Groningen
Henk Bolhuis: University of Groningen
Michail M. Yakimov: Istituto per l'Ambiente Marino Costiero, CNR
Giuseppe D'Auria: Istituto per l'Ambiente Marino Costiero, CNR
Laura Giuliano: Istituto per l'Ambiente Marino Costiero, CNR
Danielle Marty: LMGEM, UMR 6117 CNRS Université de la Mediterranée
Christian Tamburini: LMGEM, UMR 6117 CNRS Université de la Mediterranée
Terry J. McGenity: University of Essex
John E. Hallsworth: University of Essex
Andrea M. Sass: University of Essex
Kenneth N. Timmis: University of Essex
Anastasios Tselepides: Institute of Marine Biology of Crete
Gert J. de Lange: Utrecht University
Andreas Hübner: Utrecht University
John Thomson: Southampton Oceanography Centre
Soterios P. Varnavas: University of Patras
Francesco Gasparoni: Tecnomare S.p.A., ENI Group
Hans W. Gerber: University of Applied Science
Elisa Malinverno: CoNISMa, Ulr Università degli Studi di Milano Bicocca, DGSG
Cesare Corselli: CoNISMa, Ulr Università degli Studi di Milano Bicocca, DGSG

Nature, 2006, vol. 440, issue 7081, 203-207

Abstract: Microbes worth their salt Beneath the eastern Mediterranean Sea lies one of the most extreme environments on Earth capable of sustaining life. Here the seawater floats on a lake of anoxic hypersaline brine known as the Bannock basin, and a new survey has revealed a remarkable microbial community thriving at a depth of 3.3 km. Dominated by Bacteria, rather than the Archaea that often predominate in extreme conditions, this newly discovered community occupies an ecological niche defined by a layer of water less than 3 metres in height between the anoxic brine and the overlying oxygen-containing deep seawater. Within this layer, bacterial types specialized to operate in a narrow band of salinity and oxygen concentration live in a layered microbial oasis, benefitting from methane from the brine below and organic particulates from the water column above.

Date: 2006
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DOI: 10.1038/nature04418

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