Name: Providencia stuartii (Buttiaux et al. 1954) Ewing 1962 (Approved Lists 1980)

Category: Species

Proposed as: comb. nov.

Basonym: "Proteus stuartii" Buttiaux et al. 1954

Etymology: stu.ar’ti.i. N.L. gen. masc. n. stuartii, of Stuart, named after C.A. Stuart, American bacteriologist who did much of the early work on Providencia

Pronunciation, gender: … stu-AR-ti-i, feminine

Type strain: ATCC 29914; CCUG 14805; CIP 104687; DSM 4539; LMG 3260; NCTC 11800

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF008581 Analyse FASTA

Effective publication: Ewing WH. The tribe Proteae: its nomenclature and taxonomy. International Bulletin of Bacteriological Nomenclature and Taxonomy 1962; 12:93-102.

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 (and explicitly recommended for medical use)

Risk group: 2

• Synonyms:

  • Name	Kind
    "Proteus stuartii" Buttiaux et al. 1954	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 and animal pathogen - biological class of risk animal: 2". — 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 Taiwan has been imported on 2024-11-03. The full classification is: risk group = 2, note = "P650 = v". — 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 530 times in PubMed until 2025-06-04.
  • 🙆 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 risk group of the species itself.
  • 🧍 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 (Reading) 2022; 168:0. 🇬🇧

Parent taxon: Providencia Ewing 1962 (Approved Lists 1980)

Assigned by: Ewing WH. The tribe Proteae: its nomenclature and taxonomy. International Bulletin of Bacteriological Nomenclature and Taxonomy 1962; 12:93-102.

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Record number: 779892