Name: Kluyvera intermedia (Izard et al. 1980) Pavan et al. 2005

Category: Species

Proposed as: comb. nov.

Basonym: Enterobacter intermedius corrig. Izard et al. 1980

Etymology: in.ter.me’di.a. L. fem. adj. intermedia, that is between, intermediate

Pronunciation, gender: in-ter-ME-di-a, feminine

Type strain: ATCC 33110; CCUG 14183; CIP 79.27; CUETM 77-130; DSM 4581; Gavini E 86; HAMBI 1299; JCM 1238; LMG 2785; NBRC 102594; NCTC 12125

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB681871 Analyse FASTA

Valid publication: Pavan ME, Franco RJ, Rodriguez JM, Gadaleta P, Abbott SL, Janda JM, Zorzopulos J. Phylogenetic relationships of the genus Kluyvera: transfer of Enterobacter intermedius Izard et al. 1980 to the genus Kluyvera as Kluyvera intermedia comb. nov. and reclassification of Kluyvera cochleae as a later synonym of K. intermedia. Int J Syst Evol Microbiol 2005; 55:437-442.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 55, part 1 of the IJSEM. Int J Syst Evol Microbiol 2005; 55:987-991.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Synonyms:

  • Name	Kind
    Kluyvera cochleae Müller et al. 1996	heterotypic synonym, validly published under the ICNP
    Enterobacter intermedius corrig. Izard et al. 1980	homotypic synonym, validly published under the ICNP
    Enterobacter intermedium Izard et al. 1980	homotypic synonym, inaccurate spelling

• Notes:
  • ⏰ According to Pavan et al. (2005), this species is an earlier heterotypic synonym of Kluyvera cochleae Müller et al. 1996. Publication: Pavan ME, Franco RJ, Rodriguez JM, Gadaleta P, Abbott SL, Janda JM, Zorzopulos J. Phylogenetic relationships of the genus Kluyvera: transfer of Enterobacter intermedius Izard et al. 1980 to the genus Kluyvera as Kluyvera intermedia comb. nov. and reclassification of Kluyvera cochleae as a later synonym of K. intermedia. Int J Syst Evol Microbiol 2005; 55:437-442.
  • 🧬 The phylogenomic assignment score of this taxon is 0.03769 (N = 29).
  • 😷 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 = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — 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 24 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.

Parent taxon: Kluyvera Farmer et al. 1981

Assigned by: Pavan ME, Franco RJ, Rodriguez JM, Gadaleta P, Abbott SL, Janda JM, Zorzopulos J. Phylogenetic relationships of the genus Kluyvera: transfer of Enterobacter intermedius Izard et al. 1980 to the genus Kluyvera as Kluyvera intermedia comb. nov. and reclassification of Kluyvera cochleae as a later synonym of K. intermedia. Int J Syst Evol Microbiol 2005; 55:437-442.

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Record number: 777172