Name: Varibaculum massiliense Niang et al. 2021

Category: Species

Proposed as: sp. nov.

Etymology: mas.si.li.en’se. L. neut. adj. massiliense, from Massilia, the Latin name of Marseille, where the strain was first cultivated

Pronunciation, gender: mas-si-li-EN-se, neuter

Type strain: CSUR P2802; DSM 103074; Marseille P2802

Conduct genome-based taxonomy at

16S rRNA gene: LT576396 Analyse FASTA

Effective publication: Niang EHA, Lo CI, Brahimi S, Armstrong N, Raoult D, Fournier PE, Fenollar F. Varibaculum massiliense sp. nov., a new bacterium isolated from human urine with culturomics. New Microbes New Infect 2019; 32:100591.

IJSEM list: Oren A, Garrity GM. Validation list no. 199. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2021; 71:4773.

Nomenclatural status: validly published under the ICNP

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

• Synonyms:

  • Name	Kind
    "Varibaculum massiliense" Brahimi et al. 2016	homotypic synonym, not validly published

• Notes:
  • 😩 Deposit incorrectly indicated in some sources as representing the type strain of this taxon: DSM 103272.
  • 🎓 Name mentioned 3 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: Varibaculum Hall et al. 2003

Assigned by: Niang EHA, Lo CI, Brahimi S, Armstrong N, Raoult D, Fournier PE, Fenollar F. Varibaculum massiliense sp. nov., a new bacterium isolated from human urine with culturomics. New Microbes New Infect 2019; 32:100591.

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Record number: 19623