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

Author

Listed:
  • 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
    GBF)

  • 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)

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.

Suggested Citation

  • 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 Ta, 2006. "Stratified prokaryote network in the oxic–anoxic transition of a deep-sea halocline," Nature, Nature, vol. 440(7081), pages 203-207, March.
    • Handle: RePEc:nat:nature:v:440:y:2006:i:7081:d:10.1038_nature04418
    DOI: 10.1038/nature04418
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