Name: Providencia rettgeri (Hadley et al. 1918) Brenner et al. 1978 (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: feminine

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: Brenner DJ, Farmer Iii JJ, Fanning GR, Steigerwalt AG, Klykken P, Wathen HG, Hickman FW, Ewing WH. Deoxyribonucleic acid relatedness in species of Proteus and Providencia. International Journal of Systematic Bacteriology 1978; 28:269-282.

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

Risk group: 2

• Synonyms:

  • Name	Kind
    Proteus rettgeri (Hadley et al. 1918) Rustigian and Stuart 1943 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    "Bacterium rettgeri" Hadley et al. 1918	homotypic synonym, not validly published, basonym of name in Approved Lists

• 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 = "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. — 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 = 2.
  • 🎓 Name mentioned 348 times in PubMed until 2024-03-27.
  • 🧍 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 2022; 168:0.

Parent taxon: Providencia Ewing 1962 (Approved Lists 1980)

Assigned by: Brenner DJ, Farmer Iii JJ, Fanning GR, Steigerwalt AG, Klykken P, Wathen HG, Hickman FW, Ewing WH. Deoxyribonucleic acid relatedness in species of Proteus and Providencia. International Journal of Systematic Bacteriology 1978; 28:269-282.

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Record number: 779889