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{{Taxobox| domain = Archaea| regnum = "Proteoarchaeota"| phylum = "Thaumarchaeota"| phylum_authority = Brochier-Armanet et al. 2008| subdivision_ranks = Class| subdivision =Nitrososphaeria Stieglmeier et al. 2014 Cenarchaeum symbiosum ♠ DeLong and Preston 1996 "Candidatus Nitrososphaera evergladensis" Zhainina et al. 2013"Candidatus Nitrososphaera gargensis" Hatzenpichler et al. 2008 Nitrososphaera viennensis Stieglmeier et al. 2014 "Candidatus Nitrosoarchaeum koreensis" Kim et al. 2011"Candidatus Nitrosoarchaeum limnia" Blainey et al. 2011 "Candidatus Nitrosotenuis uzonensis" Lebedeva et al. 2013"Candidatus Nitrosotenuis cloacae" Li et al. 2016 "Candidatus Nitrosopumilus koreensis" Park et al. 2012"Candidatus Nitrosopumilus salaria" Mosier et al. 2012"Candidatus Nitrosopumilus maritimus" Konneke et al. 2005"Candidatus Nitrosopumilus adriaticus" Bayer et al. 2016"Candidatus Nitrosopumilus piranensis" Bayer et al. 2016}}The Thaumarchaeota or Thaumarchaea (from the ) are a phylum of the Archaea proposed in 2008 after the genome of Cenarchaeum symbiosum was sequenced and found to differ significantly from other members of the hyperthermophilic phylum Crenarchaeota.JOURNAL, 10.1073/pnas.1013488108, Nitrososphaera viennensis, an ammonia oxidizing archaeon from soil, 2011, Tourna, Maria, Stieglmeier, Michaela, Spang, Anja, Könneke, Martin, Schintlmeister, Arno, Urich, Tim, Engel, Marion, Schloter, Michael, Wagner, Michael, Richter, A, Schleper, C, Proceedings of the National Academy of Sciences, 108, 20, 21525411, 8420–5, 3100973, 9, 2011PNAS..108.8420T, JOURNAL, 10.1038/nrmicro1852, Mesophilic crenarchaeota: Proposal for a third archaeal phylum, the Thaumarchaeota, 2008, Brochier-Armanet, Céline, Boussau, Bastien, Gribaldo, Simonetta, Patrick Forterre, Forterre, Patrick Forterre, Patrick, Nature Reviews Microbiology, 6, 3, 245–52, 18274537, Three described species in addition to C. symbosium are Nitrosopumilus maritimus, Nitrososphaera viennensis, and Nitrososphaera gargensis. All organisms of this lineage thus far identified are chemolithoautotrophic ammonia-oxidizers and may play important roles in biogeochemical cycles, such as the nitrogen cycle and the carbon cycle. Metagenomic sequencing indicates that they constitute ~1% of the sea surface metagenome across many sites.JOURNAL, Walker, C. B., de la Torre, J. R., Klotz, M. G., Urakawa, H., Pinel, N., Arp, D. J., Brochier-Armanet, C., Chain, P. S. G., Chan, P. P., 2010-05-11, Nitrosopumilus maritimus genome reveals unique mechanisms for nitrification and autotrophy in globally distributed marine crenarchaea, Proceedings of the National Academy of Sciences of the United States of America, 107, 19, 8818–8823, 10.1073/pnas.0913533107, 1091-6490, 2889351, 20421470, 2010PNAS..107.8818W, The phylum was proposed in 2008 based on phylogenetic data, such as the sequences of these organisms' ribosomal RNA genes, and the presence of a form of type I topoisomerase that was previously thought to be unique to the eukaryotes.JOURNAL, 10.1186/1745-6150-3-54, A DNA topoisomerase IB in Thaumarchaeota testifies for the presence of this enzyme in the last common ancestor of Archaea and Eucarya, 2008, Brochier-Armanet, Céline, Gribaldo, Simonetta, Forterre, Patrick, Biology Direct, 3, 54, 19105819, 2621148, This assignment was confirmed by further analysis published in 2010 that examined the genomes of the ammonia-oxidizing archaea Nitrosopumilus maritimus and Nitrososphaera gargensis, concluding that these species form a distinct lineage that includes Cenarchaeum symbiosum.JOURNAL, 10.1016/j.tim.2010.06.003, Distinct gene set in two different lineages of ammonia-oxidizing archaea supports the phylum Thaumarchaeota, 2010, Spang, Anja, Hatzenpichler, Roland, Brochier-Armanet, Céline, Rattei, Thomas, Tischler, Patrick, Spieck, Eva, Streit, Wolfgang, Stahl, David A., Wagner, Michael, Schleper, C, Trends in Microbiology, 18, 8, 331–40, 20598889, 9, A study has revealed that Thaumarchaeota are most likely the dominant producers of the critical vitamin B12weblink Researchers discover new producer of crucial vitamin Due to this vitamin, this finding has not just important implications for phytoplankton, but also atmospheric carbon dioxide, as well as DNA generation and organism development in all life which depends on the vitamin.

See also



Further reading

  • JOURNAL, Yanagawa, Katsunori, Breuker, A., Schippers, A., Nishizawa, M., Ijiri, A., Hirai, M., Takaki, Y., Sunamura, M., Urabe, T., Nunoura, T., Takai, K., Microbial Community Stratification Controlled by the Subseafloor Fluid Flow and Geothermal Gradient at the Iheya North Hydrothermal Field in the Mid-Okinawa Trough (Integrated Ocean Drilling Program Expedition 331), Applied and Environmental Microbiology, October 2014, 80, 19, 6126–6135, 10.1128/AEM.01741-14, 25063666, 4178666,
  • JOURNAL, Wu, Yucheng, Conrad, Ralf, Ammonia oxidation-dependent growth of group I.1b in acidic red soil microcosms, FEMS Microbiology Ecology, July 2014, 89, 1, 127–134, 10.1111/1574-6941.12340, 24724989,
  • JOURNAL, Deschamps, Philippe, Zivanovic, Yvan, Moreira, David, Rodriguez-Valera, Francisco, Lopez-Garcia, Purificacion, Pangenome Evidence for Extensive Interdomain Horizontal Transfer Affecting Lineage Core and Shell Genes in Uncultured Planktonic Thaumarchaeota and Euryarchaeota, Genome Biology and Evolution, 8 June 2014, 6, 7, 1549–1563, 24923324, 10.1093/gbe/evu127, 4122925,
  • JOURNAL, Zhalnina, Kateryna, Dias, Raquel, Leonard, Michael, Dorr de Quadros, Patricia, Camargo, Flavio, Drew, Jennifer, Farmerie, William, Daroub, Samira, Triplett, Eric, Genome Sequence of Candidatus Nitrososphaera evergladensis from Group I.1b Enriched from Everglades Soil Reveals Novel Genomic Features of the Ammonia-Oxidizing Archaea, PLoS ONE, 7 July 2014, 9, 7, e101648, 10.1371/journal.pone.0101648, 24999826, 4084955, 2014PLoSO...9j1648Z,
{{Archaea classification}}{{Taxonbar|from=Q1186957}}{{archaea-stub}}

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