Species ***Helicobacter* *japonicus***

Name: Helicobacter japonicus corrig. Shen et al. 2017

Category: Species

Proposed as: sp. nov.

Etymology: ja.po’ni.cus. N.L. masc. adj. japonicus, of Japan, where the bacterium was first isolated from mice imported from Japan

Pronunciation (Latin), gender: he-li-ko-BAK-ter ja-PO-ni-kus, masculine

Type strain: ATCC TSD-46; LMG 28612; MIT 1-6451

Conduct genome-based taxonomy at

16S rRNA gene: EF373968 Analyse FASTA

Effective publication: Shen Z, Feng Y, Muthupalani S, Sheh A, Cheaney LE, Kaufman CA, Gong G, Paster BJ, Fox JG. Novel Helicobacter species H.japonicum isolated from laboratory mice from Japan induces typhlocolitis and lower bowel carcinoma in C57BL/129 IL10-/- mice. Carcinogenesis 2016; 37:1190-1198. 🇺🇸

IJSEM list: Oren A, Garrity GM. Validation list no. 176. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2017; 67:2075-2078.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

Synonyms:

Name	Kind
Helicobacter japonicum Shen et al. 2017	other spelling of name, inaccurate spelling

Notes:
- 😷 The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1, note = "t+". — 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 2 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 pathogenicity of the species itself.
- 🧍 Specific epithet corrected on validation. — 🧍 The original spelling of the specific epithet, japonicum (sic), has been corrected on validation. Publication: Oren A, Garrity GM. Validation list no. 176. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2017; 67:2075-2078.

Parent taxon: Helicobacter Goodwin et al. 1989

Assigned by: Shen Z, Feng Y, Muthupalani S, Sheh A, Cheaney LE, Kaufman CA, Gong G, Paster BJ, Fox JG. Novel Helicobacter species H.japonicum isolated from laboratory mice from Japan induces typhlocolitis and lower bowel carcinoma in C57BL/129 IL10-/- mice. Carcinogenesis 2016; 37:1190-1198. 🇺🇸

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.795586Link copied to clipboard

Record number: 795586

This LPSN page was printed on 2026-09-15 12:42:09

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Species Helicobacter japonicus

Species ***Helicobacter* *japonicus***