Name: Listeria welshimeri Rocourt and Grimont 1983

Category: Species

Proposed as: sp. nov.

Etymology: wel.shi’mer.i. N.L. gen. masc. n. welshimeri, of Welshimer, named in honor of Herbert J. Welshimer, an American bacteriologist

Gender: feminine

Type strain: ATCC 35897; CCUG 15529; CIP 81.49; DSM 20650; LMG 11389; NCAIM B.01872; NCTC 11857; SLCC 5334; Welshimer V8

Conduct genome-based taxonomy at

16S rRNA gene: X56149 Analyse FASTA

Valid publication: Rocourt J, Grimont PAD. Listeria welshimeri sp. nov. and Listeria seeligeri sp. nov. Int. J. Syst. Bacteriol. 1983; 33:866-869.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.30007 (N = 1).
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — 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. — The risk group for Taiwan has been imported on 2024-11-03. The full classification is: risk group = 1, 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 104 times in PubMed until 2024-03-28.
  • 🙆 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 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.

Parent taxon: Listeria Pirie 1940 (Approved Lists 1980)

Assigned by: Rocourt J, Grimont PAD. Listeria welshimeri sp. nov. and Listeria seeligeri sp. nov. Int. J. Syst. Bacteriol. 1983; 33:866-869.

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Record number: 777593