Name: Leifsonella bigeumensis (Dastager et al. 2008) Gtari et al. 2025

Category: Species

Proposed as: comb. nov.

Basonym: Leifsonia bigeumensis Dastager et al. 2008

Etymology: bi.geu.men’sis. N.L. fem. adj. bigeumensis, of Bigeum Island, Korea, the source of the soil sample from which the type strain was isolated

Pronunciation (Latin), gender: … bi-ge͡u-MEN-sis, feminine

Type strain: DSM 19322; JCM 16949; KCTC 19268; MSL-27

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EF466124 Analyse FASTA

Valid publication: Gtari M, Boussoufa D, Ghodhbane-Gtari F, Sbissi I. Taxonomic rearrangement of Salinibacterium, Leifsonia, Diaminobutyricibacter, Antiquaquibacter, Homoserinimonas and Glaciibacter: refining genus boundaries and proposal of two new genera - Orlajensenia gen. nov. and Leifsonella gen. nov. Int J Syst Evol Microbiol 2025; 75:6809. 🇹🇳

IJSEM list: Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 75, part 6 of the IJSEM. Int J Syst Evol Microbiol 2025; 75:6862.

Nomenclatural status: validly published under the ICNP

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

• Synonyms:

  • Name	Kind
    Leifsonia bigeumensis Dastager et al. 2008	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Leifsonella Gtari et al. 2025. Publication: Gtari M, Boussoufa D, Ghodhbane-Gtari F, Sbissi I. Taxonomic rearrangement of Salinibacterium, Leifsonia, Diaminobutyricibacter, Antiquaquibacter, Homoserinimonas and Glaciibacter: refining genus boundaries and proposal of two new genera - Orlajensenia gen. nov. and Leifsonella gen. nov. Int J Syst Evol Microbiol 2025; 75:6809. 🇹🇳
  • 🎓 Name mentioned 0 times in PubMed until 2025-06-24.
  • 🙆 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: Leifsonella Gtari et al. 2025

Assigned by: Gtari M, Boussoufa D, Ghodhbane-Gtari F, Sbissi I. Taxonomic rearrangement of Salinibacterium, Leifsonia, Diaminobutyricibacter, Antiquaquibacter, Homoserinimonas and Glaciibacter: refining genus boundaries and proposal of two new genera - Orlajensenia gen. nov. and Leifsonella gen. nov. Int J Syst Evol Microbiol 2025; 75:6809. 🇹🇳

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Record number: 66163