Name: Providencia rustigianii Hickman-Brenner et al. 1983

Category: Species

Proposed as: sp. nov.

Etymology: rust.i.gi.an’i.i. N.L. gen. masc. n. rustigianii, of Rustigian, named in honor of Robert Rustigian who did early studies on the Proteus group

Gender: feminine

Type strain: ATCC 33673; CCUG 15723; CDC 132-68; CIP 103032; DSM 4541; JCM 3953; NCTC 11802

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EU587030 Analyse FASTA

Effective publication: Hickman-Brenner FW, Farmer JJ, Steigerwalt AG, Brenner DJ. Providencia rustigianii: a new species in the family Enterobacteriaceae formerly known as Providencia alcalifaciens biogroup 3. J Clin Microbiol 1983; 17:1057-1060.

IJSEM list: Anonymous. Validation list no. 11. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1983; 33:672-674.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Synonyms:

  • Name	Kind
    Providencia friedericiana Müller 1983	heterotypic synonym, validly published under the ICNP

• Notes:
  • ⏰ According to Hickman-Brenner et al. (1986), this species is an earlier heterotypic synonym of Providencia friedericiana Müller 1983. Publication: Hickman-Brenner FW, Fanning GR, Mueller HE, Brenner DJ. Priority of Providencia rustigianii Hickman-Brenner, Farmer, Steigerwalt, and Brenner 1983 over Providencia friedericiana Müller 1983. Int. J. Syst. Bacteriol. 1986; 36:565.
  • 😷 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 19 times in PubMed until 2024-03-27.
  • 🪓 Organisms assigned to this species have previously been classified as Providencia alcalifaciens (de Salles Gomes 1944) Ewing 1962 (Approved Lists 1980). Publication: Ewing WH. The tribe Proteae: its nomenclature and taxonomy. International Bulletin of Bacteriological Nomenclature and Taxonomy 1962; 12:93-102. Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Parent taxon: Providencia Ewing 1962 (Approved Lists 1980)

Assigned by: Hickman-Brenner FW, Farmer JJ, Steigerwalt AG, Brenner DJ. Providencia rustigianii: a new species in the family Enterobacteriaceae formerly known as Providencia alcalifaciens biogroup 3. J Clin Microbiol 1983; 17:1057-1060.

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Record number: 779890