Species ***Rickettsia* *conorii***

Name: Rickettsia conorii corrig. Brumpt 1932 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: co.no’ri.i. N.L. gen. masc. n. conorii, of Conor, named after A. Conor who, in collaboration with A. Bruch, provided the first description of boutonneuse fever

Pronunciation (Latin), gender: rik-KETT-si-a ko-NO-ri-i, feminine

Type strain: ATCC VR-613; CRIRC RCO003; CSUR R41; Malish; Malish 7; NIAID Malish 7

Conduct genome-based taxonomy at

16S rRNA gene: AF541999 Analyse FASTA

Effective publication: Brumpt E. Longévité du virus de la fièvre boutonneuse (Rickettsia conori, n. sp.) chez la Tique, Rhipicephalus sanguineus. Comptes Rendus des Séances de la Société de Biologie Filiales 1932; 110:1199-1202.

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
Rickettsia conori Brumpt 1932 (Approved Lists 1980)	other spelling of name, inaccurate spelling

Emendations:
- Zhu et al. 2005 Zhu Y, Fournier PE, Eremeeva M, Raoult D. Proposal to create subspecies of Rickettsia conorii based on multi-locus sequence typing and an emended description of Rickettsia conorii. BMC Microbiol 2005; 5:11. 🇫🇷
  Notes:
  - 🧍 As of 2023-10-12 this emendation was not yet included in an IJSEM List of Changes in Taxonomic Opinion.
- Hördt et al. 2020 Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468. 🇩🇪 Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.

Notes:
- 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 3, note = "human and animal pathogen - biological class of risk animal: 3". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "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 Germany has been imported on 2026-08-13. The full classification is: risk group = 3, note = "Z". — The risk group for France has been imported on 2024-08-30. 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. — The risk group for Taiwan has been imported on 2024-11-03. The full classification is: risk group = 3, note = "P650 = v". — The risk group for United Kingdom has been imported on 2024-01-31. The full classification is: risk group = 3. — The risk group for United States has been imported on 2024-02-09. The full classification is: risk group = 3. — 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 801 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 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: 5
Number of child taxa with a validly published name, including synonyms: 5
Total number of child taxa: 7

Child taxa:

Name	Nomenclatural status	Taxonomic status
"Rickettsia conorii subsp. caspia" Zhu et al. 2005	not validly published	preferred name
Rickettsia conorii subsp. conorii (Brumpt 1932) Zhu et al. 2020	validly published under the ICNP	correct name
"Rickettsia conorii subsp. gravesii" (Abdad et al. 2017) Hördt et al. 2020	not validly published	synonym
Rickettsia conorii subsp. heilongjiangensis (Fournier et al. 2006) Hördt et al. 2020	validly published under the ICNP	correct name
Rickettsia conorii subsp. indica Zhu et al. 2020	validly published under the ICNP	correct name
Rickettsia conorii subsp. israelensis Zhu et al. 2020	validly published under the ICNP	correct name
Rickettsia conorii subsp. raoultii (Mediannikov et al. 2008) Hördt et al. 2020	validly published under the ICNP	correct name

Parent taxon: Rickettsia da Rocha-Lima 1916 (Approved Lists 1980)

Assigned by: Brumpt E. Longévité du virus de la fièvre boutonneuse (Rickettsia conori, n. sp.) chez la Tique, Rhipicephalus sanguineus. Comptes Rendus des Séances de la Société de Biologie Filiales 1932; 110:1199-1202.

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.784787Link copied to clipboard

Record number: 784787

This LPSN page was printed on 2026-08-15 22:54:00

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Species Rickettsia conorii

Species ***Rickettsia* *conorii***