Name: Methanobrevibacter intestini Weinberger et al. 2025

Category: Species

Proposed as: sp. nov.

Etymology: in.tes.ti’ni. L. gen. neut. n. intestini, of the gut

Gender: masculine

Type strain: CECT 30992; DSM 116060; WWM1085

Conduct genome-based taxonomy at

16S rRNA gene: PQ686616 Analyse FASTA

Valid publication: Weinberger V, Mohammadzadeh R, Blohs M, Kalt K, Mahnert A, Moser S, Cecovini M, Mertelj P, Zurabishvili T, Arora B, et al. Expanding the cultivable human archaeome: Methanobrevibacter intestini sp. nov. and strain Methanobrevibacter smithii 'GRAZ-2' from human faeces. Int J Syst Evol Microbiol 2025; 75:6751. 🇦🇹

IJSEM list: Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 75, part 4 of the IJSEM. Int J Syst Evol Microbiol 2025; 75:6792.

Nomenclatural status: validly published under the ICNP

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

• Synonyms:

  • Name	Kind
    "Candidatus Methanobrevibacter intestini" Chibani et al. 2022	homotypic synonym, not pro-validly published

• Notes:
  • 🎓 Name mentioned 5 times in PubMed until 2025-04-29.
  • 🙆 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: Methanobrevibacter Balch and Wolfe 1981

Assigned by: Weinberger V, Mohammadzadeh R, Blohs M, Kalt K, Mahnert A, Moser S, Cecovini M, Mertelj P, Zurabishvili T, Arora B, et al. Expanding the cultivable human archaeome: Methanobrevibacter intestini sp. nov. and strain Methanobrevibacter smithii 'GRAZ-2' from human faeces. Int J Syst Evol Microbiol 2025; 75:6751. 🇦🇹

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Record number: 64979