Name: Mycobacteroides chelonae (Bergey et al. 1923) Gupta et al. 2018

Category: Species

Proposed as: comb. nov.

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

Etymology: che.lo’nae. Gr. fem. n. chelônê, a tortoise; N.L. gen. fem. n. chelonae, of a tortoise

Gender: neuter

Type strain: ATCC 35752; CCUG 47445; CIP 104535; CM 6388; DSM 43804; JCM 6388; NCTC 946

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB548610 Analyse FASTA

Effective publication: Gupta RS, Lo B, Son J. Phylogenomics and Comparative Genomic Studies Robustly Support Division of the Genus Mycobacterium into an Emended Genus Mycobacterium and Four Novel Genera. Front Microbiol 2018; 9:67.

IJSEM list: Oren A, Garrity GM. Validation list no. 181. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2018; 68:1411-1417.

Nomenclatural status: validly published under the ICNP

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

Correct name: Mycobacterium chelonae corrig. Bergey et al. 1923 (Approved Lists 1980)

Risk group: 2

• Synonyms:

  • Name	Kind
    Mycobacterium chelonae corrig. Bergey et al. 1923 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    Mycobacterium chelonei Bergey et al. 1923 (Approved Lists 1980)	homotypic synonym, inaccurate spelling

• Notes:
  • ❗ Mycobacteroides chelonae is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Mycobacteroides.
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human and animal pathogen - biological class of risk animal: 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.
  • 🎓 Name mentioned 3 times in PubMed until 2025-06-04.
  • 🙅 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 species. The name is on LoRN because of the recorded risk group of the species itself.

Parent taxon: Mycobacteroides Gupta et al. 2018

Assigned by: Gupta RS, Lo B, Son J. Phylogenomics and Comparative Genomic Studies Robustly Support Division of the Genus Mycobacterium into an Emended Genus Mycobacterium and Four Novel Genera. Front Microbiol 2018; 9:67.

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Record number: 798168