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Parvarchaeota

provided by wikipedia EN

Parvarchaeota is a phylum of archaea belonging to the DPANN archaea. They have been discovered in acid mine drainage waters and later in marine sediments. The cells of these organisms are extremely small consistent with small genomes. Metagenomic techniques allow obtaining genomic sequences from non-cultured organisms, which were applied to determine this phylum.[1]

The type species is Candidatus Parvarchaeum acidiphilum. They have very small cells, around 400-500 nm, and reduced genomes made up of about 1000 genes. A similar-sized archaea that has been found in the same acidic environments is Candidatus Microarcheum, from the phylum Micrarchaeota.[1][2]

According to the phylogenetic trees Parvarchaeota may be a sister group of Thermoplasmata within Euryarchaeota[3] or belong to DPANN,[1] although it has also been suggested that all the DPANN archaea belong phylogenetically to Euryarchaeota.[3][4]

Taxonomy

The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN)[5] and National Center for Biotechnology Information (NCBI).[6]

Phylum "Parvarchaeota" Rinke et al. 2013

  • Class "Parvarchaeia"
    • Order "Parvarchaeales" Rinke et al. 2020
      • Family "Acidifodinimicrobiaceae" Luo et al. 2020
      • Family "Parvarchaeaceae" Rinke et al. 2020
        • Genus "Candidatus Parvarchaeum" Baker et al. 2010
          • "Ca. P. acidiphilum" Baker et al. 2010
          • "Ca. P. paracidiphilum" corrig. Baker et al. 2010

References

  1. ^ a b c Rinke C, Schwientek P, Sczyrba A, Ivanova NN, Anderson IJ, Cheng JF, Darling A, Malfatti S, Swan BK, Gies EA, Dodsworth JA, Hedlund BP, Tsiamis G, Sievert SM, Liu WT, Eisen JA, Hallam SJ, Kyrpides NC, Stepanauskas R, Rubin EM, Hugenholtz P, Woyke T (July 25, 2013). "Insights into the phylogeny and coding potential of microbial dark matter". Nature. 499, 431–437 (2013) (7459): 431–437. Bibcode:2013Natur.499..431R. doi:10.1038/nature12352. PMID 23851394. Retrieved 2 March 2021.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  2. ^ Brett J. Baker, Gregory J. Dick. Omic, Approaches in Microbial Ecology:Charting the Unknown Analysis of wholecommunity sequence data is unveiling the diversity and function of specific microbial groups within uncultured phyla and across entire microbial ecosystems. Academia.edu.
  3. ^ a b Petitjean, C.; Deschamps, P.; López-García, P.; Moreira, D. (2014). "Rooting the domain Archaea by phylogenomic analysis supports the foundation of the new kingdom Proteoarchaeota". Genome Biol. Evol. 7 (1): 191–204. doi:10.1093/gbe/evu274. PMC 4316627. PMID 25527841.
  4. ^ Cavalier-Smith, Thomas; Chao, Ema E-Yung (2020). "Multidomain ribosomal protein trees and the planctobacterial origin of neomura (Eukaryotes, archaebacteria)". Protoplasma. 257 (3): 621–753. doi:10.1007/s00709-019-01442-7. PMC 7203096. PMID 31900730.
  5. ^ J.P. Euzéby. "Parvarchaeota". List of Prokaryotic names with Standing in Nomenclature (LPSN). Retrieved 2021-06-27.
  6. ^ Sayers; et al. "Parvarchaeota". National Center for Biotechnology Information (NCBI) taxonomy database. Retrieved 2021-03-20.
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Parvarchaeota: Brief Summary

provided by wikipedia EN

Parvarchaeota is a phylum of archaea belonging to the DPANN archaea. They have been discovered in acid mine drainage waters and later in marine sediments. The cells of these organisms are extremely small consistent with small genomes. Metagenomic techniques allow obtaining genomic sequences from non-cultured organisms, which were applied to determine this phylum.

The type species is Candidatus Parvarchaeum acidiphilum. They have very small cells, around 400-500 nm, and reduced genomes made up of about 1000 genes. A similar-sized archaea that has been found in the same acidic environments is Candidatus Microarcheum, from the phylum Micrarchaeota.

According to the phylogenetic trees Parvarchaeota may be a sister group of Thermoplasmata within Euryarchaeota or belong to DPANN, although it has also been suggested that all the DPANN archaea belong phylogenetically to Euryarchaeota.

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