Name: Lactobacillus aviarius subsp. araffinosus Fujisawa et al. 1986

Category: Subspecies

Proposed as: subsp. nov.

Etymology: a.raf.fi.no’sus. Gr. pref. a-, not (inseparable prefix); N.L. masc. adj. raffinosus, pertaining to raffinose [probably better: raffinosicus]; N.L. masc. adj. araffinosus, intended to mean not fermenting raffinose

Pronunciation (Latin), gender: lak-to-ba-KIL-lus a-wi-A-ri-us a-raf-fi-NO-sus, masculine

Type strain: ATCC 43235; CCUG 32231; CIP 103145; DSM 20653; JCM 5667; Strain ML2

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB289043 Analyse FASTA

Effective publication: Fujisawa T, Shirasaka S, Watabe J, Mitsuoka T. Lactobacillus aviarius sp. nov.: a new species isolated from the intestines of chickens. Syst. Appl. Microbiol. 1984; 5:414-420.

IJSEM list: Anonymous. Validation list no. 20. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1986; 36:354-356.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Ligilactobacillus araffinosus (Fujisawa et al. 1986) Zheng et al. 2020

Risk group: 1

• Synonyms:

  • Name	Kind
    Ligilactobacillus araffinosus (Fujisawa et al. 1986) Zheng et al. 2020	homotypic synonym, validly published under the ICNP, distinct rank

• Notes:
  • 🙄 The epithet of this taxon name is occasionally misprinted in some sources as: "arafinosus".
  • ❗ Lactobacillus aviarius subsp. araffinosus 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 aviarius within a separate genus Lactobacillus.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, 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 2026-08-13. 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.
  • 🙅 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.
  • 🧍 This subspecies name was inadvertently omitted from Validation List no. 17 and the effective date of validation is that of List no. 17 (April 1985). Publication: Anonymous. Validation list no. 20. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1986; 36:354-356.

Parent taxon: Lactobacillus aviarius Fujisawa et al. 1985

Assigned by: Fujisawa T, Shirasaka S, Watabe J, Mitsuoka T. Lactobacillus aviarius sp. nov.: a new species isolated from the intestines of chickens. Syst. Appl. Microbiol. 1984; 5:414-420.

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Record number: 777256