Name: Listeria murrayi Welshimer and Meredith 1971 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: mur’ray.i. N.L. gen. masc. n. murrayi, of Murray, named for E.G.D. Murray, co-discoverer of Listeria monocytogenes

Gender: feminine

Type strain: ATCC 25401; LMG 16491; NCAIM B.01372; NCTC 10812

Conduct genome-based taxonomy at

16S rRNA gene: X56154 Analyse FASTA

Effective publication: Welshimer HJ, Meredith A. Listeria murrayi sp. n.: nitrate-reducing mannitol fermenting Listeria. International Journal of Systematic Bacteriology 1971; 21:3-7.

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
    "Murraya grayi subsp. murrayi" (Welshimer and Meredith 1971) Stuart and Welshimer 1971	homotypic synonym, not validly published, distinct rank
    "Murraya murrayi" (Welshimer and Meredith 1971) Bouznada et al. 2025	homotypic synonym, not validly published
    "Listeria grayi subsp. murrayi" (Welshimer and Meredith 1971) Sallen et al. 1996	homotypic synonym, not validly published, distinct rank

• Notes:
  • ⏲ According to Rocourt et al. (1992), this species is a later heterotypic synonym of Listeria grayi Errebo Larsen and Seeliger 1966 (Approved Lists 1980). Publication: Rocourt J, Boerlin P, Grimont F, Jacquet C, Piffaretti JC. Assignment of Listeria grayi and Listeria murrayi to a single species, Listeria grayi, with a revised description of Listeria grayi. Int J Syst Bacteriol 1992; 42:171-174.
  • ⏲ According to Rocourt et al. (1992), this species is a later heterotypic synonym of "Murraya grayi" (Errebo Larsen and Seeliger 1966) Bouznada et al. 2025. Publication: Rocourt J, Boerlin P, Grimont F, Jacquet C, Piffaretti JC. Assignment of Listeria grayi and Listeria murrayi to a single species, Listeria grayi, with a revised description of Listeria grayi. Int J Syst Bacteriol 1992; 42:171-174.
  • ⏲ According to Rocourt et al. (1992), this species is a later heterotypic synonym of "Murraya grayi" (Errebo Larsen and Seeliger 1966) Stuart and Welshimer 1971. Publication: Rocourt J, Boerlin P, Grimont F, Jacquet C, Piffaretti JC. Assignment of Listeria grayi and Listeria murrayi to a single species, Listeria grayi, with a revised description of Listeria grayi. Int J Syst Bacteriol 1992; 42:171-174.
  • ⏲ According to Sallen et al. (1996), this species is not a later heterotypic synonym of Listeria grayi Errebo Larsen and Seeliger 1966 (Approved Lists 1980). Publication: Sallen B, Rajoharison A, Desvarenne S, Quinn F, Mabilat C. Comparative analysis of 16S and 23S rRNA sequences of Listeria species. Int J Syst Bacteriol 1996; 46:669-674.
  • ⏲ According to Sallen et al. (1996), this species is not a later heterotypic synonym of "Murraya grayi" (Errebo Larsen and Seeliger 1966) Bouznada et al. 2025. Publication: Sallen B, Rajoharison A, Desvarenne S, Quinn F, Mabilat C. Comparative analysis of 16S and 23S rRNA sequences of Listeria species. Int J Syst Bacteriol 1996; 46:669-674.
  • ⏲ According to Sallen et al. (1996), this species is not a later heterotypic synonym of "Murraya grayi" (Errebo Larsen and Seeliger 1966) Stuart and Welshimer 1971. Publication: Sallen B, Rajoharison A, Desvarenne S, Quinn F, Mabilat C. Comparative analysis of 16S and 23S rRNA sequences of Listeria species. Int J Syst Bacteriol 1996; 46:669-674.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — 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: Listeria Pirie 1940 (Approved Lists 1980)

Assigned by: Welshimer HJ, Meredith A. Listeria murrayi sp. n.: nitrate-reducing mannitol fermenting Listeria. International Journal of Systematic Bacteriology 1971; 21:3-7.

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Record number: 777591