Name: Mycobacterium fortuitum subsp. acetamidolyticum Tsukamura et al. 1986

Category: Subspecies

Proposed as: subsp. nov.

Etymology: a.ce.ta.mi.do.ly’ti.cum. N.L. neut. n. acetamidum, acetamide; N.L. neut. adj. lyticum, able to loose, able to dissolve; from Gr. neut. adj. lytikon, able to loose, dissolving; N.L. neut. adj. acetamidolyticum, digesting acetamide

Pronunciation (Latin), gender: my-ko-bak-TE-ri-um for-tu-I-tum a-ke-ta-mi-do-LY-ti-kum, neuter

Type strain: ATCC 35931; CIP 105423; DSM 44220; JCM 6368; NCH E11620

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: FR733720 Analyse FASTA

Effective publication: Tsukamura M, Yano I, Imaeda T. Mycobacterium fortuitum subspecies acetamidolyticum, a new subspecies of Mycobacterium fortuitum. Microbiol Immunol 1986; 30:97-110.

IJSEM list: Anonymous. Validation list no. 21. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1986; 36:489.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Synonyms:

  • Name	Kind
    Mycolicibacterium fortuitum subsp. acetamidolyticum (Tsukamura et al. 1986) Gupta et al. 2018	homotypic synonym, validly published under the ICNP

• Notes:
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, 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 = 2. — The risk group for Germany has been imported on 2026-08-13. 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.

Parent taxon: Mycobacterium fortuitum da Costa Cruz 1938 (Approved Lists 1980)

Assigned by: Tsukamura M, Yano I, Imaeda T. Mycobacterium fortuitum subspecies acetamidolyticum, a new subspecies of Mycobacterium fortuitum. Microbiol Immunol 1986; 30:97-110.

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Record number: 778445