Name: Mycobacterium avium subsp. paratuberculosis (Bergey et al. 1923) Thorel et al. 1990

Category: Subspecies

Proposed as: comb. nov.

Basonym: Mycobacterium paratuberculosis Bergey et al. 1923 (Approved Lists 1980)

Etymology: pa.ra.tu.ber.cul.o’sis. Gr. prep. para, alongside of, resembling; N.L. gen. fem. n. tuberculosis, tuberculosis; N.L. gen. fem. n. paratuberculosis, of tuberculosis-like, of paratuberculosis

Pronunciation (Latin), gender: … pa-ra-tu-ber-kul-O-sis, neuter

Type strain: ATCC 19698; CIP 103963; DSM 44133

See detailed strain information at

16S rRNA gene: X52934 Analyse FASTA

Valid publication: Thorel MF, Krichevsky M, Levy-Frebault VV. Numerical taxonomy of mycobactin-dependent mycobacteria, emended description of Mycobacterium avium, and description of Mycobacterium avium subsp. avium subsp. nov., Mycobacterium avium subsp. paratuberculosis subsp. nov., and Mycobacterium avium subsp. silvaticum subsp. nov. Int J Syst Bacteriol 1990; 40:254-260.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Synonyms:

  • Name	Kind
    Mycobacterium paratuberculosis Bergey et al. 1923 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP, distinct rank

• Notes:
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human and animal pathogen - human risk group: 2 - animal risk group: 3 - biological class of risk animal: 3". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 2 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2, note = "ht". — The risk group for Taiwan has been imported on 2024-11-03. The full classification is: risk group = 2, note = "P650 = v". — The risk group for United Kingdom has been imported on 2024-01-31. The full classification is: risk group = 2. — 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 the name to be applied to this subspecies. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 See also Levy-Frebault and Portaels (1992). Publication: Levy-Frebault VV, Portaels F. Proposed minimal standards for the genus Mycobacterium and for description of new slowly growing Mycobacterium species. Int J Syst Bacteriol 1992; 42:315-323. 🇧🇪

Parent taxon: Mycobacterium avium Chester 1901 (Approved Lists 1980)

Assigned by: Thorel MF, Krichevsky M, Levy-Frebault VV. Numerical taxonomy of mycobactin-dependent mycobacteria, emended description of Mycobacterium avium, and description of Mycobacterium avium subsp. avium subsp. nov., Mycobacterium avium subsp. paratuberculosis subsp. nov., and Mycobacterium avium subsp. silvaticum subsp. nov. Int J Syst Bacteriol 1990; 40:254-260.

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Record number: 778400