ArticleInternational journal of systematic and evolutionary microbiology2014
Nitrososphaera viennensis gen. nov., sp. nov., an aerobic and mesophilic, ammonia-oxidizing archaeon from soil and a member of the archaeal phylum Thaumarchaeota.
Article in International journal of systematic and evolutionary microbiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 135 papers.
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135 citing papers in PubMed, 302 citations in OpenAlex.
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- The potential of plant-derived triterpenoids as biological nitrification inhibitors.Applied microbiology and biotechnology · 2026Article
- Soil pH and nitrate shape deterministic assembly of microbial communities in agricultural soils via Nitrososphaeria.Applied and environmental microbiology · 2026Article
- Hypoosmolarity inhibits ammonia oxidation by terrestrial and freshwater Nitrosopumilaceae members.The ISME journal · 2026Article
- Cultivation and molecular profiling reveal ammonia-oxidizing archaea as skin commensals.The ISME journal · 2026Article
- Elevated temperature simulating heatwaves restructures active nitrifying communities and associated viruses in tidal flats and agricultural soils.The ISME journal · 2026Article
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- Environmental distribution, physiology and genomic adaptations of arctic ammonia-oxidizing archaea.Frontiers in microbiology · 2026Article
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- Oxygen production via nitric oxide dismutation in diverse ammonia oxidizers.ISME communications · 2026Article
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- Microbial Communities Display Key Functional Differences between Reference and Restored Salt Marshes.Microbial ecology · 2025Article
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- Historic mine waste contains diverse microbial communities that reflect waste type and geochemistry.Applied and environmental microbiology · 2025Article
- Effects of Soil Properties and Seasonal Variations on Microbial Communities in Constructed Wetlands.Microbial ecology · 2025Article
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75 more citing papers are in PubMed but not listed here.
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7 authors at 2 institutions in 2 countries.
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Abstract
A mesophilic, neutrophilic and aerobic, ammonia-oxidizing archaeon, strain EN76(T), was isolated from garden soil in Vienna (Austria). Cells were irregular cocci with a diameter of 0.6-0.9 µm and possessed archaella and archaeal pili as cell appendages. Electron microscopy also indicated clearly discernible areas of high and low electron density, as well as tubule-like structures. Strain EN76(T) had an S-layer with p3 symmetry, so far only reported for members of the Sulfolobales. Crenarchaeol was the major core lipid. The organism gained energy by oxidizing ammonia to nitrite aerobically, thereby fixing CO2, but growth depended on the addition of small amounts of organic acids. The optimal growth temperature was 42 °C and the optimal pH was 7.5, with ammonium and pyruvate concentrations of 2.6 and 1 mM, respectively. The genome of strain EN76(T) had a DNA G+C content of 52.7 mol%. Phylogenetic analyses of 16S rRNA genes showed that strain EN76(T) is affiliated with the recently proposed phylum Thaumarchaeota, sharing 85% 16S rRNA gene sequence identity with the closest cultivated relative 'Candidatus Nitrosopumilus maritimus' SCM1, a marine ammonia-oxidizing archaeon, and a maximum of 81% 16S rRNA gene sequence identity with members of the phyla Crenarchaeota and Euryarchaeota and any of the other recently proposed phyla (e.g. 'Korarchaeota' and 'Aigarchaeota'). We propose the name Nitrososphaera viennensis gen. nov., sp. nov. to accommodate strain EN76(T). The type strain of Nitrososphaera viennensis is strain EN76(T) ( = DSM 26422(T) = JMC 19564(T)). Additionally, we propose the family Nitrososphaeraceae fam. nov., the order Nitrososphaerales ord. nov. and the class Nitrososphaeria classis nov.
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