ArticleExtremophiles : life under extreme conditions2007
Molecular analysis of the nitrogen cycle in deep-sea microorganisms from the Nankai Trough: genes for nitrification and denitrification from deep-sea environmental DNA.
Article in Extremophiles : life under extreme conditions, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 27 citations in OpenAlex.
- The Relationship Between Microbial Community Structures and Environmental Parameters Revealed by Metagenomic Analysis of Hot Spring Water in the Kirishima Area, Japan.Frontiers in bioengineering and biotechnology · 2018Article
- Capturing Compositional Variation in Denitrifying Communities: a Multiple-Primer Approach That Includes Epsilonproteobacteria.Applied and environmental microbiology · 2017Article
- New Dimensions in Microbial Ecology-Functional Genes in Studies to Unravel the Biodiversity and Role of Functional Microbial Groups in the Environment.Microorganisms · 2016Review
- Community structures and distribution of anaerobic ammonium oxidizing and nirS-encoding nitrite-reducing bacteria in surface sediments of the South China Sea.Microbial ecology · 2013Article
- Residence of habitat-specific anammox bacteria in the deep-sea subsurface sediments of the South China Sea: analyses of marker gene abundance with physical chemical parameters.Microbial ecology · 2011Article
- Phylogenetic and functional marker genes to study ammonia-oxidizing microorganisms (AOM) in the environment.Applied microbiology and biotechnology · 2010Review
- Diversity and distribution of sediment nirS-encoding bacterial assemblages in response to environmental gradients in the eutrophied Jiaozhou Bay, China.Microbial ecology · 2009Article
- Low temperature decreases the phylogenetic diversity of ammonia-oxidizing archaea and bacteria in aquarium biofiltration systems.Applied and environmental microbiology · 2008Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Nitrification and denitrification are bacterial functions, which are important for the global nitrogen cycle. Thus, it is important to study the diversity and distribution of bacteria in the environment, which are involved in the nitrogen cycle on the earth. Ammonia monooxygenase encoded by the amoA gene and nitrite reductase encoded by nirK or nirS are essential enzymes for nitrificaton and denitrification, respectively. These genes can be used as markers for the identification of organisms in the nitrogen cycle. In this study, we identified amoA (42 clones) and nirS (98 clones) genes in parallel from samples recovered from the deep-sea of the Nankai Trough. Genes for nirK could not be amplified from these samples. The obtained amoA sequences were not so closely related to those of amoA genes from previously isolated environmental organisms and those of genes from environmental DNAs. On the other hand, the nirS genes sequenced showed some relationship to some extent with the latter genes. However, some of the newly sequenced genes formed clusters, which contained no previously identified genes on a phylogenetic tree. These are likely present in specific denitrifiers from the deep-sea. The results of this study further suggest that nitrifiers and denitrifiers live in the same area of the Nankai Trough and the nitrogen cycle exists even in the deep-sea.
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