@article{Deutzmann2011-07Anaer-17943,
  year={2011},
  doi={10.1128/AEM.00340-11},
  title={Anaerobic oxidation of methane in sediments of Lake Constance, an oligotrophic freshwater lake},
  number={13},
  volume={77},
  issn={0099-2240},
  journal={Applied and Environmental Microbiology},
  pages={4429--4436},
  author={Deutzmann, Jörg S. and Schink, Bernhard}
}

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    <dc:contributor>Deutzmann, Jörg S.</dc:contributor>
    <dcterms:title>Anaerobic oxidation of methane in sediments of Lake Constance, an oligotrophic freshwater lake</dcterms:title>
    <dcterms:bibliographicCitation>First publ. in: Applied and environmental microbiology ; 77 (2011), 13. - S. 4429-4436</dcterms:bibliographicCitation>
    <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2012-04-18T07:01:47Z</dc:date>
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    <dcterms:abstract xml:lang="eng">Anaerobic oxidation of methane (AOM) with sulfate as terminal electron acceptor has been reported for various environments, including freshwater habitats, and also, nitrate and nitrite were recently shown to act as electron acceptors for methane oxidation in eutrophic freshwater habitats. Radiotracer experiments with sediment material of Lake Constance, an oligotrophic freshwater lake, were performed to follow 14CO2 formation from 14CH4 in sediment incubations in the presence of different electron acceptors, namely, nitrate, nitrite, sulfate, or oxygen. Whereas 14CO2 formation without and with sulfate addition was negligible, addition of nitrate increased 14CO2 formation significantly, suggesting that AOM could be coupled to denitrification. Nonetheless, denitrification-dependent AOM rates remained at least 1 order of magnitude lower than rates of aerobic methane oxidation. Using molecular techniques, putative denitrifying methanotrophs belonging to the NC10 phylum were detected on the basis of the pmoA and 16S rRNA gene sequences. These findings show that sulfate-dependent AOM was insignificant in Lake constant sediments. However, AOM can also be coupled to denitrification in this oligotrophic freshwater habitat, providing first indications that this might be a widespread process that plays an important role in mitigating methane emissions.</dcterms:abstract>
    <dc:creator>Deutzmann, Jörg S.</dc:creator>
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    <dcterms:issued>2011-07</dcterms:issued>
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    <dc:contributor>Schink, Bernhard</dc:contributor>
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