NC10 phylum

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NC10 phylum
CLSM image of a microcolony of NC10 bacteria (Ca. Methylomirabilis sinica)[1]
Scientific classification
Domain:
Bacteria
Phylum:
"Methylomirabilota"
Class:
"Methylomirabilia"
Orders
Synonyms

NC10 is a bacterial phylum with candidate status, meaning its members remain uncultured to date. The difficulty in producing lab cultures may be linked to low growth rates and other limiting growth factors.[1][2][3][4]

dinitrogen (N2).[5] This is significant for several reasons. First, there are only three other biological pathways known to produce oxygen (photosynthesis, chlorate respiration, and the detoxification of reactive oxygen species). Second, anaerobic methane oxidation (AMO) coupled to nitrite reduction links the global carbon and nitrogen cycles, and thus denitrifying methanotrophs in the NC10 phylum may influence methane content in the atmosphere.[1] Third, this finding opens the possibility that oxygen was available in the atmosphere prior to the evolution of oxygenic photosynthesis and the Great Oxidation Event,[5]
which challenges certain aspects of modern theories regarding the evolution of early life on Earth.

The NC10 phylum was first proposed in 2003 on the basis of highly divergent 16S rRNA gene sequences from aquatic microbial formations in flooded caves (

peatlands (Limburg, Netherlands),[7] the deep stratified Lake Zug (Central Switzerland),[8] and a paddy field with long-term fertilization (Hangzhou, China)[9]

NC10 species proposed to date include Methylomirabilis oxyfera[5] and Methylomirabilis lanthanidiphila[10]

Taxonomy

120 marker proteins based GTDB 07-RS207[11][12][13]

"Rokubacteriales"

"Ca. 
Methylomirabilis
"

"Ca. M. limnetica"

"Ca. M. lanthanidiphila"

"Ca. M. oxygeniifera"

The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN)[14] and National Center for Biotechnology Information (NCBI).[15] However many taxonomic names are taken from the Genome Taxonomy Database release 06-RS202.[16][17][18][19]

  • Class "Methylomirabilia"
    • Order "Rokubacteriales" (CSP1-6)
    • Order "Methylomirabilales" Cabrol et al. 2020 (NC10)
      • Family "Methylomirabilaceae"
        • Genus "Candidatus
          Methylomirabilis
          " Ettwig et al. 2010
          • "Ca. M. lanthanidiphila" Versantvoort et al. 2018
          • "Ca. M. limnetica" Graf et al. 2018
          • "Ca. M. oxygeniifera" corrig. Ettwig et al. 2010
          • "Ca. M. sinica" He et al. 2016

See also

References

  1. ^
    PMID 27582299
    .
  2. S2CID 4413069
    .
  3. PMID 18721142
    .
  4. PMID 21265781
    .
  5. ^
    S2CID 205220000
    .
  6. PMID 14527284
    .
  7. PMID 23042166
    .
  8. PMID 29806730
    .
  9. S2CID 33695086
    .
  10. PMID 30140258
    .
  11. ^ "GTDB release 07-RS207". Genome Taxonomy Database. Retrieved 20 June 2022.
  12. ^ "bac120_r207.sp_labels". Genome Taxonomy Database. Retrieved 20 June 2022.
  13. ^ "Taxon History". Genome Taxonomy Database. Retrieved 20 June 2022.
  14. ^ J.P. Euzéby. "Bacteria". List of Prokaryotic names with Standing in Nomenclature (LPSN). Retrieved 2021-06-27.
  15. ^ Sayers; et al. "Bacteria". National Center for Biotechnology Information (NCBI) taxonomy database. Retrieved 2021-03-20.
  16. ^ "GTDB release 06-RS202". Genome Taxonomy Database.
  17. S2CID 52093100
    .
  18. S2CID 216560589
    .
  19. PMID 31730192
    .
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