Name: Atopobium rimae (Olsen et al. 1991) Collins and Wallbanks 1993

Category: Species

Proposed as: comb. nov.

Basonym: Lactobacillus rimae Olsen et al. 1991

Etymology: ri’mae. L. gen. fem. n. rimae, of a fissure, here pertaining to the gingival crevice

Pronunciation, gender: RI-ma͡e, neuter

Type strain: ATCC 49626; CCUG 31168; DSM 7090; IFO 15546; JCM 10299; LMG 11476; NBRC 15546; VPI D140H-11A

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB540986 Analyse FASTA

Effective publication: Collins MD, Wallbanks S. Comparative sequence analyses of the 16S rRNA genes of Lactobacillus minutus, Lactobacillus rimae and Streptococcus parvulus: proposal for the creation of a new genus Atopobium. FEMS Microbiol. Lett. 1992; 95:235-240.

IJSEM list: Anonymous. Validation list no. 44. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1993; 43:188-189.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Lancefieldella rimae (Olsen et al. 1991) Nouioui et al. 2018

Risk group: 2

• Synonyms:

  • Name	Kind
    Lactobacillus rimae Olsen et al. 1991	homotypic synonym, validly published under the ICNP
    Lancefieldella rimae (Olsen et al. 1991) Nouioui et al. 2018	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Atopobium rimae is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Atopobium.
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human pathogen". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2. — 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 21 times in PubMed until 2025-06-04.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 According to Bartlett et al. (2022), this species is an established human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology (Reading) 2022; 168:0.
  • 🧍 The phylogenetic position of this species was determined in a genome-scale analysis by Nouioui et al. (2018). Publication: Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007.

Parent taxon: Atopobium Collins and Wallbanks 1993

Assigned by: Collins MD, Wallbanks S. Comparative sequence analyses of the 16S rRNA genes of Lactobacillus minutus, Lactobacillus rimae and Streptococcus parvulus: proposal for the creation of a new genus Atopobium. FEMS Microbiol. Lett. 1992; 95:235-240.

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Record number: 773540