Name: Klebsiella aerogenes (Hormaeche and Edwards 1960) Tindall et al. 2017

Category: Species

Proposed as: comb. nov.

Basonym: Enterobacter aerogenes Hormaeche and Edwards 1960 (Approved Lists 1980)

Etymology: ae.ro’ge.nes. Gr. masc. n. aêr (gen. aeros), air; Gr. suff. -genes, producing; from Gr. ind. v. gennaô, to produce; N.L. fem. part. adj. aerogenes, gas producing

Gender: feminine

Type strain: ATCC 13048; CCUG 1429; CIP 60.86; DSM 30053; HAMBI 101; HAMBI 1898; IFO 13534; JCM 1235; LMG 2094; NBIMCC 3699; NBRC 13534; NCAIM B.01467; NCTC 10006

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ251468 Analyse FASTA

Valid publication: Tindall BJ, Sutton G, Garrity GM. Enterobacter aerogenes Hormaeche and Edwards 1960 (Approved Lists 1980) and Klebsiella mobilis Bascomb et al. 1971 (Approved Lists 1980) share the same nomenclatural type (ATCC 13048) on the Approved Lists and are homotypic synonyms, with consequences for the name Klebsiella mobilis Bascomb et al. 1971 (Approved Lists 1980). Int J Syst Evol Microbiol 2017; 67:502-504.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 67, part 2 of the IJSEM. Int J Syst Evol Microbiol 2017; 67:1099-1101.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Synonyms:

  • Name	Kind
    Enterobacter aerogenes Hormaeche and Edwards 1960 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    Klebsiella mobilis Bascomb et al. 1971 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP, illegitimate name

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.02168 (N = 37).
  • 😷 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: 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 Germany has been imported on 2023-10-29. The full classification is: risk group = 2, note = "ht". — 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 915 times in PubMed until 2024-03-28.
  • 🧍 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.
  • 🧍 The epithet mobilis in Klebsiella mobilis Bascomb et al. 1971 (Approved Lists 1980) was not in accordance with to the Rules of the International Code of Nomenclature of Bacteria in force when it was proposed at the time the Approved Lists were published and is not in accordance to the Rules of the current International Code of Nomenclature of Prokaryotes. See Tindall et al. (2017) cited above. Publication: Bascomb S, Lapage SP, Willcox WR, Curtis MA. Numerical classification of the tribe Klebsielleae. J Gen Microbiol 1971; 66:279-295.

Parent taxon: Klebsiella Trevisan 1885 (Approved Lists 1980)

Assigned by: Tindall BJ, Sutton G, Garrity GM. Enterobacter aerogenes Hormaeche and Edwards 1960 (Approved Lists 1980) and Klebsiella mobilis Bascomb et al. 1971 (Approved Lists 1980) share the same nomenclatural type (ATCC 13048) on the Approved Lists and are homotypic synonyms, with consequences for the name Klebsiella mobilis Bascomb et al. 1971 (Approved Lists 1980). Int J Syst Evol Microbiol 2017; 67:502-504.

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Record number: 777146