Name: Listeria rocourtiae Leclercq et al. 2010

Category: Species

Proposed as: sp. nov.

Etymology: ro.cour’ti.ae. N.L. gen. fem. n. rocourtiae, named in honour of Jocelyne Rocourt, French bacteriologist, whose work had a major impact on the taxonomy of the genus Listeria

Pronunciation, gender: ro-KOUR-ti-a͡e, feminine

Type strain: Allerberger 700284/02; CECT 7972; CIP 109804; DSM 22097

Conduct genome-based taxonomy at

16S rRNA gene: FJ557241 Analyse FASTA

Valid publication: Leclercq A, Clermont D, Bizet C, Grimont PA, Le Fleche-Mateos A, Roche SM, Buchrieser C, Cadet-Daniel V, Le Monnier A, Lecuit M, et al. Listeria rocourtiae sp. nov. Int J Syst Evol Microbiol 2010; 60:2210-2214. 🇫🇷

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 60, part 9 of the IJSEM. Int J Syst Evol Microbiol 2010; 60:2695-2696.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Synonyms:

  • Name	Kind
    Paenilisteria rocourtiae (Leclercq et al. 2010) Bouznada et al. 2025	homotypic synonym, validly published under the ICNP

• Notes:
  • 😷 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 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 5 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 genus.

Subdivision:

Number of child taxa with a validly published and correct name: 2
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Listeria rocourtiae subsp. hofi Brown et al. 2025	validly published under the ICNP	correct name
    Listeria rocourtiae subsp. rocourtiae (Leclercq et al. 2010) Brown et al. 2025	validly published under the ICNP	correct name

Parent taxon: Listeria Pirie 1940 (Approved Lists 1980)

Assigned by: Leclercq A, Clermont D, Bizet C, Grimont PA, Le Fleche-Mateos A, Roche SM, Buchrieser C, Cadet-Daniel V, Le Monnier A, Lecuit M, et al. Listeria rocourtiae sp. nov. Int J Syst Evol Microbiol 2010; 60:2210-2214. 🇫🇷

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Record number: 788740