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  In situ distribution and activity of nitrifying bacteria in freshwater sediment

Altmann, D., Stief, P., Amann, R., de Beer, D., & Schramm, A. (2003). In situ distribution and activity of nitrifying bacteria in freshwater sediment. Environmental Microbiology, 5(9), 798-803.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0001-D1F7-C Version Permalink: https://hdl.handle.net/21.11116/0000-0007-939B-4
Genre: Journal Article

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Altmann3.pdf (Publisher version), 152KB
 
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 Creators:
Altmann, D.1, Author           
Stief, P.2, Author           
Amann, R.3, Author           
de Beer, D.2, Author           
Schramm, A.2, Author           
Affiliations:
1Department of Biogeochemistry, Max Planck Institute for Marine Microbiology, Max Planck Society, ou_2481693              
2Permanent Research Group Microsensor, Max Planck Institute for Marine Microbiology, Max Planck Society, ou_2481711              
3Department of Molecular Ecology, Max Planck Institute for Marine Microbiology, Max Planck Society, ou_2481696              

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 Abstract: Nitrification was investigated in a model freshwater sediment by the combined use of microsensors and fluorescence in situ hybridization with rRNA-targeted oligonucleotide probes. In situ nitrification activity was restricted mainly to the upper 2 mm of the sediment and coincided with the maximum abundance of nitrifying bacteria, i.e. 1.5 x 107 cells cm-3 for ammonia-oxidizing Beta-proteobacteria (AOB) and 8.6 x 107 cells cm-3 for Nitrospira-like nitrite-oxidizing bacteria (NOB). Cell numbers of AOB decreased more rapidly with depth than numbers of NOB. For the first time, Nitrospira-like bacteria could be quantified and correlated with in situ nitrite oxidation rates in a sediment. Estimated cell-specific nitrite oxidation rates were 1.2-2.7 fmol NO2- cell-1 h-1.

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Language(s): eng - English
 Dates: 2003-07-212003-09
 Publication Status: Issued
 Pages: 6
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 177129
ISI: 000184744200009
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Title: Environmental Microbiology
  Other : Environmental Microbiology and Environmental Microbiology Reports
Source Genre: Journal
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Publ. Info: Oxford, England : Blackwell Science
Pages: - Volume / Issue: 5 (9) Sequence Number: - Start / End Page: 798 - 803 Identifier: ISSN: 1462-2912
CoNE: https://pure.mpg.de/cone/journals/resource/959328105031