Name: Mycobacterium intracellulare subsp. chimaera (Tortoli et al. 2004) Nouioui et al. 2018

Category: Subspecies

Proposed as: comb. nov.

Basonym: Mycobacterium chimaera Tortoli et al. 2004

Etymology: chi.mae.ra. L. fem. n. chimaera, the chimaera, the mythological being made up of parts of three different animals (nominative in apposition)

Gender: neuter

Type strain: CCUG 50989; CIP 107892; DSM 44623; FI-01069; FI-0169; JCM 14737; NCTC 13781

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ548480 Analyse FASTA

Effective publication: Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007.

IJSEM list: Oren A, Garrity GM. Validation list no. 184. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2018; 68:3379-3393.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Synonyms:

  • Name	Kind
    Mycobacterium intracellulare subsp. yongonense (Kim et al. 2013) Castejon et al. 2018	heterotypic synonym, validly published under the ICNP
    Mycobacterium chimaera Tortoli et al. 2004	homotypic synonym, validly published under the ICNP, distinct rank
    Mycobacterium yongonense Kim et al. 2013	heterotypic synonym, validly published under the ICNP, distinct rank

• Notes:
  • 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Garrity GM. List of changes in taxonomic opinion no. 29. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2019; 69:13-32.
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human pathogen". — 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 intracellulare corrig. (Cuttino and McCabe 1949) Runyon 1965 (Approved Lists 1980)

Assigned by: Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007.

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Record number: 798169