Name: Francisella tularensis (McCoy and Chapin 1912) Dorofeev 1947 (Approved Lists 1980)

Category: Species

Proposed as: comb. nov.

Basonym: "Bacterium tularense" McCoy and Chapin 1912

Etymology: tu.la.ren’sis. N.L. fem. adj. tularensis, pertaining to Tulare County, California, where the disease was first described in rodents

Pronunciation (Latin), gender: … tu-la-REN-sis, feminine

Type strain: ATCC 6223; B 38

Conduct genome-based taxonomy at

16S rRNA gene: Z21931 Analyse FASTA

Effective publication: Dorofeev KA. Classification of the causative agent of tularemia. Symposium Research Works Institute Epidemiology and Microbiology Chita 1947; 1:170-180.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

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

Risk group: 3

• Synonyms:

  • Name	Kind
    "Bacterium tularense" McCoy and Chapin 1912	homotypic synonym, not validly published, basonym of name in Approved Lists

• Notes:
  • 🥇 Nomenclatural type of the genus Francisella Dorofeev 1947 (Approved Lists 1980). Publication: Dorofeev KA. Classification of the causative agent of tularemia. Symposium Research Works Institute Epidemiology and Microbiology Chita 1947; 1:170-180.
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 3, note = "default: 3 human and animal pathogen - biological class of risk animal: 3; var. palaearctica: 2 human pathogen; var. mediasiatica: 2 human pathogen; bv. Novicida: 2 human and animal pathogen - biological class of risk animal: 2; var. novicida: 2 human and animal pathogen - biological class of risk animal: 2; biogroup novicida: 2 human and animal pathogen - biological class of risk animal: 2; var. tularemia: 3 human pathogen". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 3, note = "default: 3 Animal classification RG: 3 - Security sensitive biological agent: Yes - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 3; var. novicida: 2 Animal classification RG: 2 - 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 = 3. — The risk group for Sweden has been imported on 2024-02-05. The full classification is: risk group = 3, note = "Typ B: 2; Typ A: 3 ". — The risk group for Taiwan has been imported on 2024-11-03. The full classification is: risk group = 3, note = "P620 = v, P650 = v". — The risk group for United States has been imported on 2024-02-09. The full classification is: risk group = 3, note = "except those strains listed in Appendix B-II-A, Risk Group 2 (RG2) Bacterial Agents Including Chlamydia: 3; specifically *Francisella tularensis subspecies novicida [aka Francisella novicida], strain Utah 112; *Francisella tularensis subspecies holarctica LVS; *Francisella tularensis biovar tularensis strain ATCC 6223 (aka strain B38): 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 3160 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 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. 🇬🇧

Subdivision:

Number of child taxa with a validly published and correct name: 4
Number of child taxa with a validly published name, including synonyms: 4
Total number of child taxa: 4

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Francisella tularensis subsp. holarctica (ex Olsufjev et al. 1959) Olsufjev and Meshcheryakova 1983	validly published under the ICNP	correct name
    Francisella tularensis subsp. mediasiatica (ex Aikimbaev 1966) Olsufjev and Meshcheryakova 1983	validly published under the ICNP	correct name
    Francisella tularensis subsp. novicida (Larson et al. 1955) Huber et al. 2010	validly published under the ICNP	correct name
    Francisella tularensis subsp. tularensis (McCoy and Chapin 1912) Olsufjev and Meshcheryakova 1983	validly published under the ICNP	correct name

Parent taxon: Francisella Dorofeev 1947 (Approved Lists 1980)

Assigned by: Dorofeev KA. Classification of the causative agent of tularemia. Symposium Research Works Institute Epidemiology and Microbiology Chita 1947; 1:170-180.

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Record number: 783871