Species Olsenella massiliensis

Name: Olsenella massiliensis Zgheib et al. 2021

Category, proposed as: species, sp. nov.

Etymology: mas.si.li.en’sis. L. fem. adj. massiliensis, of Massilia, the Roman name of Marseille, France, where the type strain was isolated

Pronunciation (Latin), gender: ol-se-NEL-la mas-si-li-EN-sis, feminine

Type strain: CSUR P1476; DSM 100642; Marseille P1476; SIT9

Conduct genome-based taxonomy at

16S rRNA gene: LN827536 Analyse FASTA

Valid publication: Zgheib R, Anani H, Meng MM, Mailhe M, Ricaboni D, Morand A, Caputo A, Traore SI, Fontanini A, Armstrong N, et al. New human-associated species of the family Atopobiaceae and proposal to reclassify members of the genus Olsenella. Int J Syst Evol Microbiol 2021; 71:4819. 🇫🇷

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 71, part 5 of the IJSEM. Int J Syst Evol Microbiol 2021; 71:4907.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Notes:
  • 😷 The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 2 times in PubMed until 2026-06-11.
  • 🙆 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: Olsenella Dewhirst et al. 2001

Assigned by: Zgheib R, Anani H, Meng MM, Mailhe M, Ricaboni D, Morand A, Caputo A, Traore SI, Fontanini A, Armstrong N, et al. New human-associated species of the family Atopobiaceae and proposal to reclassify members of the genus Olsenella. Int J Syst Evol Microbiol 2021; 71:4819. 🇫🇷

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.19483Copy to clipboardLink copied to clipboard

Record number: 19483