Name: Natronobacterium vacuolatum corrig. Mwatha and Grant 1993

Category: Species

Proposed as: sp. nov.

Etymology: va.cu.o.la’tum. N.L. neut. adj. vacuolatum, vacuolate (containing gas vacuoles)

Gender: neuter

Type strain: ATCC 51376; CIP 104547; DSM 8800; JCM 9060; M24; NCIMB 13189

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB663425 Analyse FASTA

Valid publication: Mwatha WE, Grant WD. Natronobacterium vacuolata sp. nov., a haloalkaliphilic archaeon isolated from Lake Magadi, Kenya. Int. J. Syst. Bacteriol. 1993; 43:401-404.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 43, part 3 of the IJSB. Int J Syst Bacteriol 1993; 43:866.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Halorubrum vacuolatum (Mwatha and Grant 1993) Kamekura et al. 1997

Risk group: 1

• Synonyms:

  • Name	Kind
    Natronobacterium vacuolata Mwatha and Grant 1993	other spelling of name, inaccurate spelling
    Halorubrum vacuolatum (Mwatha and Grant 1993) Kamekura et al. 1997	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Natronobacterium vacuolatum is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Natronobacterium.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — 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 2023-10-29. 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 3 times in PubMed until 2025-06-04.
  • 🧍 Listed as vacuolata in the notification list. Publication: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 43, part 3 of the IJSB. Int J Syst Bacteriol 1993; 43:866.
  • 🧍 Nom. corrig.: IJSB 43:867. Publication: . Erratum. Int. J. Syst. Bacteriol. 1993; 43:867.
  • 🧍 The original spelling, Natronobacterium vacuolata (sic), has been corrected in accordance with Rule 61. Publication: . Erratum. Int. J. Syst. Bacteriol. 1993; 43:867.

Parent taxon: Natronobacterium Tindall et al. 1984

Assigned by: Mwatha WE, Grant WD. Natronobacterium vacuolata sp. nov., a haloalkaliphilic archaeon isolated from Lake Magadi, Kenya. Int. J. Syst. Bacteriol. 1993; 43:401-404.

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Record number: 778598