Name: Providencia heimbachae Müller et al. 1986

Category: Species

Proposed as: sp. nov.

Etymology: heim.ba’chae. N.L. gen. fem. n. heimbachae, of Heimbach, named to honor Friederike Heimbach who isolated the 12 original strains of the species

Pronunciation (Latin), gender: … he͡im-BA-k^ha͡e, feminine

Type strain: ATCC 35613; CCUG 16446; CDC 8025-83; CIP 103031; DSM 3591; MUA 2-110; NCTC 12003

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: KY606570 Analyse FASTA

Valid publication: Müller HE, O'Hara CM, Fanning GR, Hickman-Brenner FW, Swenson JM, Brenner DJ. Providencia heimbachae, a new species of Enterobacteriaceae isolated from animals. Int. J. Syst. Bacteriol. 1986; 36:252-256. 🇺🇸

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Notes:
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, 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 = 1, note = "PIIC". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "+". — 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 10 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 pathogenicity of the species itself.
  • 🧍 According to Bartlett et al. (2022), this species is a putative 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: Müller HE, O'Hara CM, Fanning GR, Hickman-Brenner FW, Swenson JM, Brenner DJ. Providencia heimbachae, a new species of Enterobacteriaceae isolated from animals. Int. J. Syst. Bacteriol. 1986; 36:252-256. 🇺🇸

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Record number: 779888