Species Enterobacter cloacae

Name: Enterobacter cloacae (Jordan 1890) Hormaeche and Edwards 1960 (Approved Lists 1980)

Category, proposed as: species, comb. nov.

Basonym: "Bacillus cloacae" Jordan 1890

Etymology: clo.a’cae. L. gen. fem. n. cloacae, of a sewer

Pronunciation (Latin), gender: en-te-ro-BAK-ter klo-A-ka͡e, masculine

Type strain: ATCC 13047; CCUG 28448; CCUG 29301; CCUG 6323; CIP 60.85; DSM 30054; HAMBI 1295; HAMBI 96; IFO 13535; JCM 1232; LMG 2783; NBIMCC 8570; NBRC 13535; NCTC 10005

Conduct genome-based taxonomy at

16S rRNA gene: AJ251469 Analyse FASTA

Effective publication: Hormaeche E, Edwards PR. A proposed genus Enterobacter. International Bulletin of Bacteriological Nomenclature and Taxonomy 1960; 10:71-74.

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
    "Bacillus cloacae" Jordan 1890	homotypic synonym, not validly published, basonym of name in Approved Lists
    "Bacterium cloacae" (Jordan 1890) Lehmann and Neumann 1896	homotypic synonym, not validly published
    "Cloaca cloacae" (Jordan 1890) Castellani and Chalmers 1919	homotypic synonym, not validly published

• Notes:
  • 🥇 Nomenclatural type of the genus Enterobacter Hormaeche and Edwards 1960 (Approved Lists 1980). Publication: Hormaeche E, Edwards PR. A proposed genus Enterobacter. International Bulletin of Bacteriological Nomenclature and Taxonomy 1960; 10:71-74.
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "default: 2 human pathogen; yellow-pigmented: 2 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: 2 - 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 2026-08-13. The full classification is: risk group = 2, note = "ht". — The risk group for France has been imported on 2024-08-30. 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 Taiwan has been imported on 2024-11-03. The full classification is: risk group = 2, note = "P650 = v". — The risk group for United Kingdom has been imported on 2024-01-31. 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 6318 times in PubMed until 2026-06-11.
  • 🙆 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. 🇬🇧
  • 🧍 Plant pathogenic according to Bull et al. (2007). Publication: Bull CT, De Boer SH, Denny TP, Firrao G, Fischer Le Saux M, Saddler GS, Scortichini M, Stead DE, Takikawa Y. Comprehensive list of names of plant pathogenic bacteria, 1980-2007. Journal of Plant Pathology 2010; 92:551-592. 🇺🇸
  • 🧍 On the Approved Lists of Bacterial Names, and on the Approved Lists of Bacterial Names (Amended Edition), this nomenclatural name is incorrectly cited as Enterobacter cloacae (Jordon [sic] 1890) Hormaeche and Edwards 1960. Publication: Euzéby JP. Corrigenda to the Approved Lists of Bacterial Names and to the amended edition of the Approved Lists of Bacterial Names. Int. J. Syst. Bacteriol. 1997; 47:1271-1272.

Subdivision:

Number of child taxa with a validly published and correct name: 2
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Enterobacter cloacae subsp. cloacae (Jordan 1890) Hoffmann et al. 2005	validly published under the ICNP	correct name
    Enterobacter cloacae subsp. dissolvens (Rosen 1922) Hoffmann et al. 2005	validly published under the ICNP	correct name

Parent taxon: Enterobacter Hormaeche and Edwards 1960 (Approved Lists 1980)

Assigned by: Hormaeche E, Edwards PR. A proposed genus Enterobacter. International Bulletin of Bacteriological Nomenclature and Taxonomy 1960; 10:71-74.

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.775933Copy to clipboardLink copied to clipboard

Record number: 775933