Species Rickettsia sennetsu

Name: Rickettsia sennetsu Misao and Kobayashi 1956 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: sen.net’su. N.L. neut. n. sennetsu, from Japanese, meaning glandular fever (nominative in apposition)

Pronunciation (Latin), gender: rik-KETT-si-a sen-NET-su, feminine

Type strain: ATCC VR-367; Miyayama

Conduct genome-based taxonomy at

16S rRNA gene: M73219 Analyse FASTA

Effective publication: Misao R, Kobayashi Y. Infectious mononucleosis (glandular fever). Journal of the Japanese Association for Infectious Diseases 1956; 30:453-465.

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: synonym (and not recommended for medical use)

Correct name: Ehrlichia sennetsu (Misao and Kobayashi 1956) Ristic and Huxsoll 1984

Risk group: 3

Synonyms:

Name	Kind
Ehrlichia sennetsu (Misao and Kobayashi 1956) Ristic and Huxsoll 1984	homotypic synonym, validly published under the ICNP
"Neorickettsia sennetsu" (Misao and Kobayashi 1956) Dumler et al. 2001	homotypic synonym, not validly published

Notes:
- ❗ Rickettsia sennetsu 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 Rickettsia.
- 😷 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: 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 = 2. — The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 2. — The risk group for France has been imported on 2024-08-30. The full classification is: risk group = 2. — The risk group for Sweden has been imported on 2024-02-05. The full classification is: risk group = 2. — The risk group for United Kingdom has been imported on 2024-01-31. 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 19 times in PubMed until 2026-06-11.
- 🙅 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.
- 🧍 In the Approved Lists of Bacterial Names, the type strain is erroneously cited as ATCC VR 367 (without dash). — Tang J. Personal communication, 2001-05-30.

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

Assigned by: Misao R, Kobayashi Y. Infectious mononucleosis (glandular fever). Journal of the Japanese Association for Infectious Diseases 1956; 30:453-465.

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.784801Link copied to clipboard

Record number: 784801

This LPSN page was printed on 2026-09-12 17:10:23

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Species Rickettsia sennetsu