Name: Proteus rettgeri (Hadley et al. 1918) Rustigian and Stuart 1943 (Approved Lists 1980)

Category: Species

Proposed as: comb. nov.

Basonym: "Bacterium rettgeri" Hadley et al. 1918

Etymology: rett’ger.i. N.L. gen. masc. n. rettgeri, of Rettger, named after L.F. Rettger, the American bacteriologist who first isolated the organism in 1904

Gender: masculine

Type strain: ATCC 29944; CCUG 14804; CIP 103182; DSM 4542; JCM 1675; LMG 3259; NCTC 11801

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EU587035 Analyse FASTA

Effective publication: Rustigian R, Stuart CA. Taxonomic relationships in the genus Proteus. Proceedings of the Society for Experimental Biology and Medicine 1943; 53:241-243.

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

Correct name: Providencia rettgeri (Hadley et al. 1918) Brenner et al. 1978 (Approved Lists 1980)

Risk group: 2

• Synonyms:

  • Name	Kind
    "Bacterium rettgeri" Hadley et al. 1918	homotypic synonym, not validly published, basonym of name in Approved Lists
    Providencia rettgeri (Hadley et al. 1918) Brenner et al. 1978 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Proteus rettgeri 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 Proteus.
  • 😷 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: 1 - 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 2023-10-29. 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.
  • 🎓 Name mentioned 163 times in PubMed until 2024-03-27.

Parent taxon: Proteus Hauser 1885 (Approved Lists 1980)

Assigned by: Rustigian R, Stuart CA. Taxonomic relationships in the genus Proteus. Proceedings of the Society for Experimental Biology and Medicine 1943; 53:241-243.

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Record number: 779879