Name: Lactobacillus casei subsp. alactosus Mills and Lessel 1973 (Approved Lists 1980)

Category: Subspecies

Proposed as: subsp. nov.

Etymology: a.lac.to’sus. Gr. pref. a-, not (inseparable prefix); L. masc. adj. lactosus, pertaining to lactose [probably better: lactosicus]; N.L. masc. adj. alactosus, intended to mean unable to ferment lactose

Pronunciation, gender: a-lak-TO-sus, masculine

Type strain: ATCC 27216; JCM 1133; LMG 9438

16S rRNA gene: D16548 Analyse FASTA

Effective publication: Mills CK, Lessel EF. Designation and description of the type strain of Lactobacillus casei subsp. alactosus Rogosa et al. International Journal of Systematic Bacteriology 1973; 23:67-68.

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: synonym (and not recommended for medical use)

Correct name: Lactobacillus casei subsp. pseudoplantarum Abo-Elnaga and Kandler 1965 (Approved Lists 1980)

Risk group: 1

• Synonyms:

  • Name	Kind
    Lactobacillus casei subsp. pseudoplantarum Abo-Elnaga and Kandler 1965 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Lactobacillus casei subsp. alactosus is the correct name instead if this subspecies is regarded as a separate subspecies (i.e., if its nomenclatural type is not assigned to another subspecies whose name is validly published, legitimate and not rejected and has priority) within a separate species Lactobacillus casei within a separate genus Lactobacillus.
  • 😷 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, 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.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this subspecies. The name is on LoRN because of the recorded risk group of other species in the genus.

Parent taxon: Lactobacillus casei (Orla-Jensen 1916) Hansen and Lessel 1971 (Approved Lists 1980)

Assigned by: Mills CK, Lessel EF. Designation and description of the type strain of Lactobacillus casei subsp. alactosus Rogosa et al. International Journal of Systematic Bacteriology 1973; 23:67-68.

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Record number: 777269