Name: Mycobacterium avium subsp. silvaticum Thorel et al. 1990

Category: Subspecies

Proposed as: subsp. nov.

Etymology: sil.va’ti.cum. L. neut. adj. silvaticum, of or belonging to a wood or to trees

Gender: neuter

Type strain: 6409; ATCC 49884; CCUG 47446; CIP 103317; DSM 44175

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EF521891 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

Risk group: 2

• 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 United Kingdom has been imported on 2024-01-31. The full classification is: risk group = 2.
  • 🧍 Mycobacterium avium subsp. silvaticum Thorel et al. 1990 was previously known as Mycobacterium avium strains wood pigeon. Publication: Chester FD. A Manual of Determinative Bacteriology. The MacMillan Co., New York, 1901.

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: 778401