Biology:Natronobacterium

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Natronobacterium is a genus of archaeans in the family the Natrialbaceae.[1] A member of the domain Archaea, it is both an extreme halophile and alkaliphile, thriving at an optimum saline concentration of 20% and optimum pH of 10.

Taxonomy

The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN)[2] and National Center for Biotechnology Information (NCBI).[1]

Proposed species:

  • Natronobacterium chahanensis and Natronobacterium innemongoliae are proposed names for strains isolated from soda lakes in China. As of 2022, the descriptions from 1989 (N. chahanensis)[3] and 1997 (N. innemongoliae)[4] are not validly published.
Species formerly placed in this taxon.
  • Natronobacterium magadii, now Natrialba magadii
  • Natronobacterium nitratireducens, now Halobiforma nitratireducens
  • Natronobacterium pharaonis, now Natronomonas pharaonis
  • Natronobacterium vacuolatum, now Halorubrum vacuolatum
16S rRNA based LTP_07_2026[5][6][7] 53 marker proteins based GTDB 11-RS232[8][9][10]
 
 
Halobiforma
 

H. nitratireducens (Xin et al. 2001) Hezayen et al. 2002

 
 
 

H. haloterrestris Hezayen et al. 2002

 
 

H. lacisalsi Xu et al. 2005

 
 
 
 
 
 
Natronobacterium
 

N. gregoryi Tindall et al. 1984

 
 

N. texcoconense Ruiz-Romero et al. 2013

 
 
 
 

Natronococcus

 
 
 
Natronobacterium
 
 

N. gregoryi

 
 

N. texcoconense

 
 
 
 

N. nitratireducens Xin et al. 2001

 
 
 

N. haloterrestris (Hezayen et al. 2002) Dong et al. 2025

 
 

N. lacisalsi (Xu et al. 2005) Dong et al. 2025

 
 
 
 

See also

References

  1. ↑ 1.0 1.1 C.L. Schoch. "Natronobacterium". National Center for Biotechnology Information (NCBI) taxonomy database. https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?command=show&mode=tree&id=2256&lvl=3. 
  2. ↑ Natronobacterium in LPSN; Freese, H. M.; Meier-Kolthoff, J. P.; Sardà Carbasse, J.; Afolayan, A. O.; Göker, M. (29 October 2025). "TYGS and LPSN in 2025: a Global Core Biodata Resource for genome-based classification and nomenclature of prokaryotes within DSMZ Digital Diversity". Nucleic Acids Research 53: D1–D12. doi:10.1093/nar/gkaf1110. 
  3. ↑ Page Species: Natronobacterium chahanensis on "LPSN - List of Prokaryotic names with Standing in Nomenclature". Deutsche Sammlung von Mikroorganismen und Zellkulturen. https://lpsn.dsmz.de/species/natronobacterium-chahanensis. 
  4. ↑ Page Species: Natronobacterium innemongoliae on "LPSN - List of Prokaryotic names with Standing in Nomenclature". Deutsche Sammlung von Mikroorganismen und Zellkulturen. https://lpsn.dsmz.de/species/natronobacterium-innemongoliae. 
  5. ↑ "The LTPlus". https://bioinfo.uib.es/ltp/#LTPlus. 
  6. ↑ "LTP_all tree in newick format". https://biocom.uib.es/opucheck-backend/api/releases/07_26_04. 
  7. ↑ Rossello-Mora, Ramon; Viver, Tomeu; Palmer-Rodríguez, Pere; Westram, Ralf; Bustos-Caparros, Esteban; Gago, Joan Francisco; Gonzalez-Mendez, Jaime; Llabrés, Mercè et al. (22 April 2026). "A pipeline for improved 16S rRNA gene-based phylogeny and diversity analyses of Bacteria and Archaea" (in en). Nature Portfolio. doi:10.21203/rs.3.rs-9370187/v1. https://doi.org/10.21203/rs.3.rs-9370187/v1. 
  8. ↑ "GTDB release 11-RS232". https://gtdb.ecogenomic.org/about#4%7C. 
  9. ↑ "ar53_r232.sp_label". https://data.gtdb.ecogenomic.org/releases/release232/232.0/auxillary_files/ar53_r232.sp_labels.tree. 
  10. ↑ "Taxon History". https://gtdb.ecogenomic.org/taxon_history/. 

Further reading

  • Oren A; Ventosa A (2000). "International Committee on Systematic Bacteriology Subcommittee on the taxonomy of Halobacteriaceae. Minutes of the meetings, 16 August 1999, Sydney, Australia". Int. J. Syst. Evol. Microbiol. 50 (3): 1405–1407. doi:10.1099/00207713-50-3-1405. PMID 10843089. 
  • Tindall BJ; Ross HNM; Grant WD (1984). "Natronobacterium gen. nov. and Natronococcus gen. nov., two new genera of haloalkaliphilic archaebacteria". Syst. Appl. Microbiol. 5 (1): 41–57. doi:10.1016/S0723-2020(84)80050-8. Bibcode: 1984SyApM...5...41T. 

Wikidata ☰ Q6980254 entry