Subspecies Klebsiella pneumoniae subsp. ozaenae

Name: Klebsiella pneumoniae subsp. ozaenae (Abel 1893) Ørskov 1984

Category, proposed as: subspecies, comb. nov.

Basonym: "Bacillus ozaenae" Abel 1893

Etymology: o.zae’nae. L. fem. n. ozaena, a polypus in the nose, ozena; L. gen. fem. n. ozaenae, of ozena

Pronunciation (Latin), gender: kleb-si-EL-la pne͡u-mo-NI-a͡e o-ZA͡E-na͡e, feminine

Type strain: ATCC 11296; CCUG 15938; CIP 52.211; DSM 16358; JCM 1663; LMG 3113; NCTC 5050

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: Y17654 Analyse FASTA

Effective publication: Oerskov I. Genus Klebsiella. In: Krieg NR, Holt JG (eds), Bergey's manual of systematic bacteriology, vol. 1., The Williams & Wilkins Co., Baltimore, 1984, p. 461-465.

IJSEM list: Anonymous. Validation list no. 15. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1984; 34:355-357.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Synonyms:

  • Name	Kind
    Klebsiella ozaenae (Abel 1893) Bergey et al. 1925 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP, distinct rank
    "Bacillus ozaenae" Abel 1893	homotypic synonym, not validly published, basonym of name in Approved Lists, distinct rank

• Notes:
  • 😷 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 = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — 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 United Kingdom has been imported on 2024-01-31. The full classification is: risk group = 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.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this subspecies. The name is on LoRN because of the recorded risk group of the species itself.

Parent taxon: Klebsiella pneumoniae (Schroeter 1886) Trevisan 1887 (Approved Lists 1980)

Assigned by: Oerskov I. Genus Klebsiella. In: Krieg NR, Holt JG (eds), Bergey's manual of systematic bacteriology, vol. 1., The Williams & Wilkins Co., Baltimore, 1984, p. 461-465.

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Record number: 777152