Name: Mycolicibacter nonchromogenicus (Tsukamura 1965) Gupta et al. 2018

Category: Species

Proposed as: comb. nov.

Basonym: Mycobacterium nonchromogenicum Tsukamura 1965 (Approved Lists 1980)

Etymology: non.chro.mo.ge’ni.cus. L. prep. non, not; Gr. neut. n. chrôma, color; Gr. ind. v. gennaô, to produce; L. masc. adj. suff. -icus, suffix used with the sense of pertaining to; N.L. masc. adj. nonchromogenicus, intended to mean not producing color

Pronunciation, gender: non-k^hro-mo-GE-ni-kus, masculine

Type strain: ATCC 19530; CCUG 28009; CIP 106811; DSM 44164; JCM 6364; NCTC 10424

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X52928 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 nonchromogenicum Tsukamura 1965 (Approved Lists 1980)

• Synonyms:

  • Name	Kind
    Mycobacterium nonchromogenicum Tsukamura 1965 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Mycolicibacter nonchromogenicus 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 Mycolicibacter.
  • 😷 The taxon name shown here has no risk group assigned, but is the homotypic synonym of Mycobacterium nonchromogenicum Tsukamura 1965 (Approved Lists 1980), which has a risk group (Canada) above 1. This may require that the name shown here is not treated as the correct name for practical purposes. — The taxon name shown here has no risk group assigned, but is the homotypic synonym of Mycobacterium nonchromogenicum Tsukamura 1965 (Approved Lists 1980), which has a risk group (Germany) above 1. This may require that the name shown here is not treated as the correct name for practical purposes.
  • 🎓 Name mentioned 0 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: Mycolicibacter 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: 798210