Microbial Reefs in the Black Sea Fueled by Anaerobic Oxidation of Methane

  • Walter Michaelis
    Institute of Biogeochemistry and Marine Chemistry, University of Hamburg, Bundesstrasse 55, 20146 Hamburg, Germany.
  • Richard Seifert
    Institute of Biogeochemistry and Marine Chemistry, University of Hamburg, Bundesstrasse 55, 20146 Hamburg, Germany.
  • Katja Nauhaus
    Max Planck Institute for Marine Microbiology, Celsiusstrasse 1, 28359 Bremen, Germany.
  • Tina Treude
    Max Planck Institute for Marine Microbiology, Celsiusstrasse 1, 28359 Bremen, Germany.
  • Volker Thiel
    Institute of Biogeochemistry and Marine Chemistry, University of Hamburg, Bundesstrasse 55, 20146 Hamburg, Germany.
  • Martin Blumenberg
    Institute of Biogeochemistry and Marine Chemistry, University of Hamburg, Bundesstrasse 55, 20146 Hamburg, Germany.
  • Katrin Knittel
    Max Planck Institute for Marine Microbiology, Celsiusstrasse 1, 28359 Bremen, Germany.
  • Armin Gieseke
    Max Planck Institute for Marine Microbiology, Celsiusstrasse 1, 28359 Bremen, Germany.
  • Katharina Peterknecht
    Institute of Biogeochemistry and Marine Chemistry, University of Hamburg, Bundesstrasse 55, 20146 Hamburg, Germany.
  • Thomas Pape
    Institute of Biogeochemistry and Marine Chemistry, University of Hamburg, Bundesstrasse 55, 20146 Hamburg, Germany.
  • Antje Boetius
    Alfred Wegener Institute for Polar and Marine Research, 27515 Bremerhaven, and International University Bremen, 28725 Bremen, Germany.
  • Rudolf Amann
    Max Planck Institute for Marine Microbiology, Celsiusstrasse 1, 28359 Bremen, Germany.
  • Bo Barker Jørgensen
    Max Planck Institute for Marine Microbiology, Celsiusstrasse 1, 28359 Bremen, Germany.
  • Friedrich Widdel
    Max Planck Institute for Marine Microbiology, Celsiusstrasse 1, 28359 Bremen, Germany.
  • Jörn Peckmann
    Geowissenschaftliches Zentrum, University of Göttingen, Goldschmidtstrasse 3, 37077 Göttingen, Germany.
  • Nikolai V. Pimenov
    Institute of Microbiology, Russian Academy of Sciences, pr. 60-letiya Oktyabrya 7, k. 2, Moscow, 117811, Russia.
  • Maksim B. Gulin
    Institute of Biology of Southern Seas, National Academy of Sciences of Ukraine, pr. Nakhimova 2, Sevastopol, Ukraine.

抄録

<jats:p> Massive microbial mats covering up to 4-meter-high carbonate buildups prosper at methane seeps in anoxic waters of the northwestern Black Sea shelf. Strong <jats:sup>13</jats:sup> C depletions indicate an incorporation of methane carbon into carbonates, bulk biomass, and specific lipids. The mats mainly consist of densely aggregated archaea (phylogenetic ANME-1 cluster) and sulfate-reducing bacteria ( <jats:italic>Desulfosarcina/Desulfococcus</jats:italic> group). If incubated in vitro, these mats perform anaerobic oxidation of methane coupled to sulfate reduction. Obviously, anaerobic microbial consortia can generate both carbonate precipitation and substantial biomass accumulation, which has implications for our understanding of carbon cycling during earlier periods of Earth's history. </jats:p>

収録刊行物

  • Science

    Science 297 (5583), 1013-1015, 2002-08-09

    American Association for the Advancement of Science (AAAS)

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