Name: Natronobacterium gregoryi Tindall et al. 1984

Category: Species

Proposed as: sp. nov.

Etymology: gre.go’ry.i. N.L. gen. masc. n. gregoryi, of Gregory, named for J.W. Gregory, Scottish geologist who first described the geology of the rift valley

Pronunciation (Latin), gender: na-tro-no-bak-TE-ri-um gre-GO-ry-i, neuter

Type strain: ATCC 43098; CIP 104747; DSM 3393; JCM 8860; NBRC 102187; NCIMB 2189; NCMB 2189; SP 2; VKM B-1750

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: D87970 Analyse FASTA

Effective publication: Tindall BJ, Ross HNM, Grant WD. Natronobacterium gen. nov. and Natronococcus gen. nov., two new genera of haloalkaliphilic archaebacteria. Syst. Appl. Microbiol. 1984; 5:41-57.

IJSEM list: Anonymous. Validation list no. 15. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1984; 34:355-357.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Natronobacterium Tindall et al. 1984. Publication: Tindall BJ, Ross HNM, Grant WD. Natronobacterium gen. nov. and Natronococcus gen. nov., two new genera of haloalkaliphilic archaebacteria. Syst. Appl. Microbiol. 1984; 5:41-57.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 24 times in PubMed until 2026-06-11.

Parent taxon: Natronobacterium Tindall et al. 1984

Assigned by: Tindall BJ, Ross HNM, Grant WD. Natronobacterium gen. nov. and Natronococcus gen. nov., two new genera of haloalkaliphilic archaebacteria. Syst. Appl. Microbiol. 1984; 5:41-57.

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Record number: 778594