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A marine microbial consortium apparently mediating anaerobic oxidation of methane
A large fraction of globally produced methane is converted to CO2 by anaerobic oxidation in marine sediments. Strong geochemical evidence for net methane consumption in anoxic sediments is based on…
Predictive Identification of Exonic Splicing Enhancers in Human Genes
Anaerobic ammonium oxidation by anammox bacteria in the Black Sea
Evidence for bacteria that anaerobically oxidize ammonium with nitrite to N2 in the world's largest anoxic basin, the Black Sea is provided and anammox bacteria have been identified and directly linked to the removal of fixed inorganic nitrogen in the environment.
Microbial Reefs in the Black Sea Fueled by Anaerobic Oxidation of Methane
Obviously, anaerobic microbial consortia can generate both carbonate precipitation and substantial biomass accumulation, which has implications for the understanding of carbon cycling during earlier periods of Earth's history.
Biogeographical distribution and diversity of microbes in methane hydrate-bearing deep marine sediments on the Pacific Ocean Margin.
- F. Inagaki, T. Nunoura, B. Jørgensen
- Environmental Science, GeographyProceedings of the National Academy of Sciences…
- 21 February 2006
Results from cluster and principal component analyses, which include previously reported data from the West and East Pacific Margins, suggest that, for these locations in the Pacific Ocean, prokaryotic communities from methane hydrate-bearing sediment cores are distinct from those in Hydrate-free cores.
Coral mucus functions as an energy carrier and particle trap in the reef ecosystem
- C. Wild, M. Huettel, A. Klueter, Stephan G. Kremb, M. Rasheed, B. Jørgensen
- Environmental ScienceNature
- 4 March 2004
Coral mucus provides light energy harvested by the zooxanthellae and trapped particles to the heterotrophic reef community, thereby establishing a recycling loop that supports benthic life, while reducing loss of energy and nutrients from the reef ecosystem.
Mineralization of organic matter in the sea bed—the role of sulphate reduction
- B. Jørgensen
- Environmental Science, GeologyNature
- 15 September 1982
The bacterial reduction of sulphate to sulphide at the sea bed is a key process in the oceanic sulphur cycle, and is responsible for the oxidation of organic matter which becomes buried below the…
Massive nitrogen loss from the Benguela upwelling system through anaerobic ammonium oxidation.
- M. Kuypers, G. Lavik, M. Jetten
- Environmental Science, EngineeringProceedings of the National Academy of Sciences…
- 3 May 2005
It is shown that instead, the anammox process (the anaerobic oxidation of ammonium by nitrite to yield N2) is mainly responsible for nitrogen loss in the OMZ waters of one of the most productive regions of the world ocean, the Benguela upwelling system.
Microenvironment and photosynthesis of zooxanthellae in scleractinian corals studied with microsensors for O2, pH and light
During experimental light-dark cycles, O9 in the tissue of the colonial scleractinian corals Favia sp. and Acropora sp reached >250 % of air saturation after a few minutes in light. Immediately after…
Dense populations of a giant sulfur bacterium in Namibian shelf sediments.
- H. Schulz, T. Brinkhoff, T. Ferdelman, M. H. Mariné, A. Teske, B. Jørgensen
- Environmental ScienceScience
- 16 April 1999
A previously unknown giant sulfur bacterium is abundant in sediments underlying the oxygen minimum zone of the Benguela Current upwelling system, and is closely related to the marine filamentous sulfur bacteria Thioploca, abundant in the up welling area off Chile and Peru.