Name: Collinsella ihumii Ben Khedher et al. 2022

Category: Species

Proposed as: sp. nov.

Etymology: i.hu’mi.i. N.L. gen. neut. n. ihumii, referring to the acronym of Institut Hospitalo-Universitaire Méditerranée Infection (IHU-MI), the name of the institute where the strain was isolated

Pronunciation (Latin), gender: … i-HU-mi-i, feminine

Type strain: CSUR P2019; DSM 101062; GD8

Conduct genome-based taxonomy at

16S rRNA gene: LN881598 Analyse FASTA

Effective publication: Ben Khedher M, Diouf FS, Lo CI, Alibar S, Durand G, Raoult D, Fournier PE, Fenollar F. Collinsella ihumii sp. nov., a new anaerobic bacterium isolated from human stool. Arch Microbiol 2021; 203:6315-6322. 🇫🇷

IJSEM list: Oren A, Garrity GM. Validation list no. 206. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2022; 72:5422.

Nomenclatural status: validly published under the ICNP

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

• Synonyms:

  • Name	Kind
    "Collinsella ihuae" Durand et al. 2017	homotypic synonym, not validly published

• Notes:
  • 🎓 Name mentioned 1 time 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: Collinsella Kageyama et al. 1999

Assigned by: Ben Khedher M, Diouf FS, Lo CI, Alibar S, Durand G, Raoult D, Fournier PE, Fenollar F. Collinsella ihumii sp. nov., a new anaerobic bacterium isolated from human stool. Arch Microbiol 2021; 203:6315-6322. 🇫🇷

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Record number: 29555