Name: Mobiluncus mulieris Spiegel and Roberts 1984

Category: Species

Proposed as: sp. nov.

Etymology: mu.li.e’ris. L. fem. n. mulier (gen. mulieris), a woman, a female; L. gen. fem. n. mulieris, of a woman

Gender: masculine

Type strain: ATCC 35243; CCUG 20071; DSM 25311; LMG 7787; NCTC 11658; SV17J

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ318410 Analyse FASTA

Valid publication: Spiegel CA, Roberts M. Mobiluncus gen. nov., Mobiluncus curtisii subsp. curtisii sp. nov., Mobiluncus curtisii subsp. holmesii subsp. nov., and Mobiluncus mulieris sp. nov., curved rods from the human vagina. Int. J. Syst. Bacteriol. 1984; 34:177-184.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Synonyms:

  • Name	Kind
    Falcivibrio grandis Hammann et al. 1984	heterotypic synonym, validly published under the ICNP

• Emendations:
  • Hoyles et al. 2004 Hoyles L, Collins MD, Falsen E, Nikolaitchouk N, McCartney AL. Transfer of members of the genus Falcivibrio to the genus Mobiluncus, and emended description of the genus Mobiluncus. Syst Appl Microbiol 2004; 27:72-83. Euzeby JP. List of changes in taxonomic opinion no. 1. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2005; 55:7-8.
    Notes:
    • 🫂 Emendation accompanied by a proposal regarding the synonymy of the species.
  • Nouioui et al. 2018 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. Oren A, Garrity GM. List of changes in taxonomic opinion no. 29. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2019; 69:13-32.

• Notes:
  • ⏰ According to Hoyles et al. (2004), this species is an earlier heterotypic synonym of Falcivibrio grandis Hammann et al. 1984. Publication: Hoyles L, Collins MD, Falsen E, Nikolaitchouk N, McCartney AL. Transfer of members of the genus Falcivibrio to the genus Mobiluncus, and emended description of the genus Mobiluncus. Syst Appl Microbiol 2004; 27:72-83.
  • 🧬 The phylogenomic assignment score of this taxon is -0.23980 (N = 17).
  • 😷 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 = 2, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — 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.
  • 🎓 Name mentioned 39 times in PubMed until 2024-03-27.
  • 🧍 According to Bartlett et al. (2022), this species is a putative human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology 2022; 168:0.

Parent taxon: Mobiluncus Spiegel and Roberts 1984

Assigned by: Spiegel CA, Roberts M. Mobiluncus gen. nov., Mobiluncus curtisii subsp. curtisii sp. nov., Mobiluncus curtisii subsp. holmesii subsp. nov., and Mobiluncus mulieris sp. nov., curved rods from the human vagina. Int. J. Syst. Bacteriol. 1984; 34:177-184.

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Record number: 778276