Name: Cedecea lapagei Grimont et al. 1981

Category: Species

Proposed as: sp. nov.

Etymology: la.pa’ge.i. N.L. gen. masc. n. lapagei, of Lapage, named to honor the late Stephen Lapage, a British bacteriologist who made many contributions to the Enterobacteriaceae, bacterial systematics, and particularly as an editor of the Bacteriological Code

Pronunciation, gender: la-PA-ge-i, feminine

Type strain: 004; ATCC 33432; CCUG 12371; CDC 485-76; CIP 80.35; DSM 4587; JCM 1684; LMG 7863

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: KY797643 Analyse FASTA

Valid publication: Grimont PAD, Grimont F, Farmer Iii JJ, Asbury MA. Cedecea davisae gen. nov., sp. nov. and Cedecea lapagei sp. nov., new Enterobacteriaceae from clinical specimens. Int. J. Syst. Bacteriol. 1981; 31:317-326.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Notes:
  • 😷 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. — 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 22 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.
  • 🧍 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. 🇬🇧

Parent taxon: Cedecea Grimont et al. 1981

Assigned by: Grimont PAD, Grimont F, Farmer Iii JJ, Asbury MA. Cedecea davisae gen. nov., sp. nov. and Cedecea lapagei sp. nov., new Enterobacteriaceae from clinical specimens. Int. J. Syst. Bacteriol. 1981; 31:317-326.

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Record number: 774540