Name: Mobiluncus curtisii Spiegel and Roberts 1984

Category: Species

Proposed as: sp. nov.

Etymology: cur.ti’si.i. N.L. gen. masc. n. curtisii, of Curtis, named after A.H. Curtis, who isolated the first strain

Gender: masculine

Type strain: ATCC 35241; BV345-16; CCUG 21018; DSM 23059; NCTC 11656

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ318408 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

• 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:
    • 🫂 Emendation accompanied by a proposal regarding the synonymy of the species.

• Notes:
  • 🥇 Nomenclatural type of the genus Mobiluncus Spiegel and Roberts 1984. 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.
  • ⏰ According to Hoyles et al. (2004), this species is an earlier heterotypic synonym of Falcivibrio vaginalis 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.
  • ⏰ According to Nouioui et al. (2018), this species is not an earlier heterotypic synonym of Falcivibrio vaginalis Hammann et al. 1984. 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.
  • 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: 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.
  • 😷 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". — 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 63 times in PubMed until 2024-03-28.
  • 🧍 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 2022; 168:0.

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Mobiluncus curtisii subsp. curtisii Spiegel and Roberts 1984	validly published under the ICNP	synonym of its species (division into subspecies abandoned)
    Mobiluncus curtisii subsp. holmesii Spiegel and Roberts 1984	validly published under the ICNP	synonym

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: 778275