Species Leuconostoc lactis

Name: Leuconostoc lactis Garvie 1960 (Approved Lists 1980)

Category, proposed as: species, sp. nov.

Etymology: lac’tis. L. gen. neut. n. lactis, of milk

Pronunciation (Latin), gender: le͡u-ko-NOS-tok LAK-tis, neuter

Type strain: ATCC 19256; CCUG 30064; CIP 102422; DSM 20202; HAMBI 2346; JCM 6123; LMG 8894; NBIMCC 9089; NCDO 533; NCFB 533; NCIMB 13091; NRRL B-3468

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB596941 Analyse FASTA

Effective publication: Garvie EI. The genus Leuconostoc and its nomenclature. Journal of Dairy Research 1960; 27:283-292.

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: 1

• Synonyms:

  • Name	Kind
    Leuconostoc argentinum Dicks et al. 1993	heterotypic synonym, validly published under the ICNP

• Notes:
  • ⏰ According to Vancanneyt et al. (2006), this species is an earlier heterotypic synonym of Leuconostoc argentinum Dicks et al. 1993. Publication: Vancanneyt M, Zamfir M, De Wachter M, Cleenwerck I, Hoste B, Rossi F, Dellaglio F, De Vuyst L, Swings J. Reclassification of Leuconostoc argentinum as a later synonym of Leuconostoc lactis. Int J Syst Evol Microbiol 2006; 56:213-216. 🇧🇪
  • 😷 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. — The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1, note = "+". — 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 166 times in PubMed until 2026-06-11.
  • 🙆 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 (Reading) 2022; 168:0. 🇬🇧

Parent taxon: Leuconostoc van Tieghem 1878 (Approved Lists 1980)

Assigned by: Garvie EI. The genus Leuconostoc and its nomenclature. Journal of Dairy Research 1960; 27:283-292.

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Record number: 777548