Phylogenetic analysis of a microbial community involved in anaerobic oxidation of ammonium nitrogen

The phylogenetic diversity of a microbial community involved in anaerobic oxidation of ammonium nitrogen in the DEAMOX process was studied. Analysis of clone libraries containing 16S rRNA gene inserts of Bacteria, (including Planctomycetes) and Archaea revealed the presence of nucleotide sequences o...

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Bibliographic Details
Published in:Microbiology (New York) 2010-04, Vol.79 (2), p.237-246
Main Authors: Kalyuzhnyi, S. V, Shestakova, N. M, Tourova, T. P, Poltaraus, A. B, Gladchenko, M. A, Trukhina, A. I, Nazina, T. N
Format: Article
Language:English
Subjects:
Archaea
Biomedical and Life Sciences
Experimental Articles
Firmicutes
Life Sciences
Medical Microbiology
Methanomicrobiales
Methanosarcinales
Microbiology
Nitrosomonas
Planctomycetes
Proteobacteria
Spirochaetales
Verrucomicrobia
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Summary:The phylogenetic diversity of a microbial community involved in anaerobic oxidation of ammonium nitrogen in the DEAMOX process was studied. Analysis of clone libraries containing 16S rRNA gene inserts of Bacteria, (including Planctomycetes) and Archaea revealed the presence of nucleotide sequences of the microorganisms involved in the main reactions of the carbon, nitrogen, and sulfur cycles, including nitrifying, denitrifying, and ANAMMOX bacteria. In the bacterial clone library, 16S rRNA gene sequences of representatives of the phyla Proteobacteria, Bacteroidetes, Chloroflexi, Firmicutes, Verrucomicrobia, Lentisphaerae, Spirochaetales, and Planctomycetes, as well as of some new groups, were detected. In the archaeal clone library, nucleotide sequences of methanogens belonging to the orders Methanomicrobiales, Methanobacteriales, and Methanosarcinales were found. It is possible that both ANAMMOX bacteria and bacteria of the genus Nitrosomonas are involved in anaerobic ammonium oxidation in the DEAMOX reactor. Many sequences were similar to those from the clone libraries obtained previously from the ANAMMOX community of marine sediments. It is also probable that the DEAMOX reactions occur in natural ecosystems (in marine and freshwater sediments and the oceanic water column), thereby providing for the coupling of the nitrogen and sulfur cycles.
ISSN:0026-2617
1608-3237
DOI:10.1134/S0026261710020165