| Anaerobic ammonia oxidation in the presence of nitrogen oxides (NO(x)) by two different lithotrophs. | |
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MedLine Citation:
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PMID: 12406724 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The anaerobic ammonia-oxidizing activity of the planctomycete Candidatus "Brocadia anammoxidans" was not inhibited by NO concentrations up to 600 ppm and NO2 concentrations up to 100 ppm. B. anammoxidans was able to convert (detoxify) NO, which might explain the high NO tolerance of this organism. In the presence of NO2, the specific ammonia oxidation activity of B. anammoxidans increased, and Nitrosomonas-like microorganisms recovered an NO2-dependent anaerobic ammonia oxidation activity. Addition of NO2 to a mixed population of B. anammoxidans and Nitrosomonas induced simultaneous specific anaerobic ammonia oxidation activities of up to 5.5 mmol of NH4+ g of protein(-1) h(-1) by B. anammoxidans and up to 1.5 mmol of NH4+ g of protein(-1) h(-1) by Nitrosomonas. The stoichiometry of the converted N compounds (NO2-/NH3 ratio) and the microbial community structure were strongly influenced by NO2. The combined activity of B. anammoxidans and Nitrosomonas-like ammonia oxidizers might be of relevance in natural environments and for technical applications. |
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Authors:
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Ingo Schmidt; Cristian Hermelink; Katinka van de Pas-Schoonen; Marc Strous; Huub J op den Camp; J Gijs Kuenen; Mike S M Jetten |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Applied and environmental microbiology Volume: 68 ISSN: 0099-2240 ISO Abbreviation: Appl. Environ. Microbiol. Publication Date: 2002 Nov |
Date Detail:
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Created Date: 2002-10-30 Completed Date: 2002-12-17 Revised Date: 2009-11-18 |
Medline Journal Info:
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Nlm Unique ID: 7605801 Medline TA: Appl Environ Microbiol Country: United States |
Other Details:
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Languages: eng Pagination: 5351-7 Citation Subset: IM |
Affiliation:
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Department of Microbiology, University of Nijmegen, 6525 ED Nijmegen, The Netherlands. i.schmidt@sci.kun.nl |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Ammonia
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metabolism* Anaerobiosis Nitrogen Dioxide / metabolism Nitrogen Oxides / metabolism* Nitrosomonas / metabolism* Oxidation-Reduction |
| Chemical | |
Reg. No./Substance:
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0/Nitrogen Oxides; 10102-44-0/Nitrogen Dioxide; 7664-41-7/Ammonia |
| Comments/Corrections | |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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