Name: Halalkalibacterium halodurans (Nielsen et al. 1995 ex Boyer et al. 1973) Joshi et al. 2022

Category: Species

Proposed as: comb. nov.

Basonym: Bacillus halodurans (ex Boyer et al. 1973) Nielsen et al. 1995

Etymology: ha.lo.du’rans. Gr. masc. n. hals (gen. halos), salt; L. pres. part. durans, enduring; N.L. neut. part. adj. halodurans, salt-enduring

Pronunciation, gender: … ha-lo-DU-rans, neuter

Type strain: ATCC 27557; CIP 105296; DSM 497; LMG 7121; NRRL B-3881; Strain PN-80

Conduct genome-based taxonomy at

16S rRNA gene: AJ302709 Analyse FASTA

Effective publication: Joshi A, Thite S, Karodi P, Joseph N, Lodha T. Alkalihalobacterium elongatum gen. nov. sp. nov.: An Antibiotic-Producing Bacterium Isolated From Lonar Lake and Reclassification of the Genus Alkalihalobacillus Into Seven Novel Genera. Front Microbiol 2021; 12:722369. 🇮🇳

IJSEM list: Oren A, Garrity GM. Validation list no. 203. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2022; 72:5167.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

• Synonyms:

  • Name	Kind
    Bacillus halodurans (ex Boyer et al. 1973) Nielsen et al. 1995	homotypic synonym, validly published under the ICNP
    Bacillus okuhidensis Li et al. 2002	heterotypic synonym, validly published under the ICNP
    "Bacillus alcalophilus subsp. halodurans" Boyer et al. 1973	homotypic synonym, not validly published, distinct rank
    Alkalihalobacillus okuhidensis (Li et al. 2002) Patel and Gupta 2020	heterotypic synonym, validly published under the ICNP
    Alkalihalobacillus halodurans (Nielsen et al. 1995 ex Boyer et al. 1973) Patel and Gupta 2020	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Halalkalibacterium Joshi et al. 2022. Publication: Joshi A, Thite S, Karodi P, Joseph N, Lodha T. Alkalihalobacterium elongatum gen. nov. sp. nov.: An Antibiotic-Producing Bacterium Isolated From Lonar Lake and Reclassification of the Genus Alkalihalobacillus Into Seven Novel Genera. Front Microbiol 2021; 12:722369. 🇮🇳
  • ⏰ According to Joshi et al. (2021), this species is an earlier heterotypic synonym of Alkalihalobacillus okuhidensis (Li et al. 2002) Patel and Gupta 2020. Publication: Joshi A, Thite S, Karodi P, Joseph N, Lodha T. Alkalihalobacterium elongatum gen. nov. sp. nov.: An Antibiotic-Producing Bacterium Isolated From Lonar Lake and Reclassification of the Genus Alkalihalobacillus Into Seven Novel Genera. Front Microbiol 2021; 12:722369. 🇮🇳
  • ⏰ According to Joshi et al. (2021), this species is an earlier heterotypic synonym of Bacillus okuhidensis Li et al. 2002. Publication: Joshi A, Thite S, Karodi P, Joseph N, Lodha T. Alkalihalobacterium elongatum gen. nov. sp. nov.: An Antibiotic-Producing Bacterium Isolated From Lonar Lake and Reclassification of the Genus Alkalihalobacillus Into Seven Novel Genera. Front Microbiol 2021; 12:722369. 🇮🇳
  • 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Garrity GM. List of changes in taxonomic opinion no. 36. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2022; 72:5413.
  • 🎓 Name mentioned 11 times in PubMed until 2025-06-04.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of other species in the genus.

Parent taxon: Halalkalibacterium Joshi et al. 2022

Assigned by: Joshi A, Thite S, Karodi P, Joseph N, Lodha T. Alkalihalobacterium elongatum gen. nov. sp. nov.: An Antibiotic-Producing Bacterium Isolated From Lonar Lake and Reclassification of the Genus Alkalihalobacillus Into Seven Novel Genera. Front Microbiol 2021; 12:722369. 🇮🇳

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Record number: 26732