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  • Brandsma, J (author)

A multi-proxy study of anaerobic ammonium oxidation in marine sediments of the Gullmar Fjord, Sweden

  • Article/chapterEnglish2011

Publisher, publication year, extent ...

  • Wiley,2011

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  • LIBRIS-ID:oai:gup.ub.gu.se/162223
  • https://gup.ub.gu.se/publication/162223URI
  • https://doi.org/10.1111/j.1758-2229.2010.00233.xDOI
  • https://research.chalmers.se/publication/162223URI

Supplementary language notes

  • Language:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Anaerobic ammonium oxidation (anammox) is an important process for nitrogen removal in marine pelagic and benthic environments and represents a major sink in the global nitrogen cycle. We applied a suite of complementary methods for the detection and enumeration of anammox activity and anammox bacteria in marine sediments of the Gullmar Fjord, and compared the results obtained with each technique. 15N labelling experiments showed that nitrogen removal through N2 production was essentially limited to the upper 2 cm of the sediment, where anammox contributed 23–47% of the total production. The presence of marine anammox bacteria belonging to the genus ‘Candidatus Scalindua’ was shown by 16S rRNA gene sequence comparison. FISH counts of anammox bacteria correlated well with anammox activity, while quantitative PCR may have underestimated the number of anammox bacterial 16S rRNA gene copies at this site. Potential nitrogen conversion by anammox ranged from 0.6 to 4.8 fmol N cell−1 day−1, in agreement with previous measurements in the marine environment and in bioreactors. Finally, intact ladderane glycerophospholipid concentrations better reflected anammox activity and abundance than ladderane core lipid concentrations, most likely because the core lipid fraction contained a substantial fossil component, especially deeper in the sediment.

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Added entries (persons, corporate bodies, meetings, titles ...)

  • van de Vossenberg, J (author)
  • Risgaard-Petersen, N (author)
  • Schmid, MC (author)
  • Engström, Pia,1970Gothenburg University,Göteborgs universitet,Institutionen för kemi,Department of Chemistry,University of Gothenburg(Swepub:cth)piaeng (author)
  • Eurenius, Karinh,1980Gothenburg University,Göteborgs universitet,Institutionen för kemi,Department of Chemistry,University of Gothenburg(Swepub:gu)xeurka (author)
  • Hulth, Stefan,1965Gothenburg University,Göteborgs universitet,Institutionen för kemi,Department of Chemistry,University of Gothenburg(Swepub:gu)xhulst (author)
  • Jaeschke, A (author)
  • Abbas, B (author)
  • Hopmans, EC (author)
  • Strous, M (author)
  • Schouten, S (author)
  • Jetten, MSM (author)
  • Damste, JSS (author)
  • Göteborgs universitetInstitutionen för kemi (creator_code:org_t)

Related titles

  • In:ENVIRONMENTAL MICROBIOLOGY REPORTS: Wiley3:3, s. 360-3661758-2229

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