Name: Mycobacteroides abscessus subsp. massiliense (Adékambi et al. 2006) Gupta et al. 2018

Category: Subspecies

Proposed as: comb. nov.

Basonym: Mycobacterium massiliense Adékambi et al. 2006

Etymology: mas.si.li.en’se. L. neut. adj. massiliense, of the French city of Massilia, now Marseilles, France

Pronunciation, gender: mas-si-li-EN-se, neuter

Type strain: CCUG 48898; CIP 108297; DSM 45103; JCM 15300; KCTC 19086

Conduct genome-based taxonomy at

16S rRNA gene: AY593980 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 abscessus subsp. massiliense (Adékambi et al. 2006) Tortoli et al. 2016

Risk group: 2

• Synonyms:

  • Name	Kind
    Mycobacterium abscessus subsp. massiliense (Adékambi et al. 2006) Tortoli et al. 2016	homotypic synonym, validly published under the ICNP
    Mycobacterium massiliense Adékambi et al. 2006	homotypic synonym, validly published under the ICNP, distinct rank

• Notes:
  • ⏲ According to Leao et al. (2011), this subspecies is a later heterotypic synonym of Mycobacterium abscessus subsp. bolletii (Adékambi et al. 2006) Leao et al. 2011. Publication: Leao SC, Tortoli E, Euzeby JP, Garcia MJ. Proposal that Mycobacterium massiliense and Mycobacterium bolletii be united and reclassified as Mycobacterium abscessus subsp. bolletii comb. nov., designation of Mycobacterium abscessus subsp. abscessus subsp. nov. and emended description of Mycobacterium abscessus. Int J Syst Evol Microbiol 2011; 61:2311-2313.
  • ⏲ According to Sassi and Drancourt (2014), this subspecies is not a later heterotypic synonym of Mycobacterium chelonei subsp. abscessus (Moore and Frerichs 1953) Kubica et al. 1972 (Approved Lists 1980). Publication: Sassi M, Drancourt M. Genome analysis reveals three genomospecies in Mycobacterium abscessus. BMC Genomics 2014; 15:359.
  • ⏲ According to Sassi and Drancourt (2014), this subspecies is not a later heterotypic synonym of Mycobacterium chelonae subsp. abscessus corrig. (Moore and Frerichs 1953) Kubica et al. 1972 (Approved Lists 1980). Publication: Sassi M, Drancourt M. Genome analysis reveals three genomospecies in Mycobacterium abscessus. BMC Genomics 2014; 15:359.
  • ⏲ According to Tortoli et al. (2016), this subspecies is not a later heterotypic synonym of Mycobacterium abscessus subsp. bolletii (Adékambi et al. 2006) Leao et al. 2011. Publication: Tortoli E, Kohl TA, Brown-Elliott BA, Trovato A, Leao SC, Garcia MJ, Vasireddy S, Turenne CY, Griffith DE, Philley JV, et al. Emended description of Mycobacterium abscessus, Mycobacterium abscessus subsp. abscessus and Mycobacteriumabscessus subsp. bolletii and designation of Mycobacteriumabscessus subsp. massiliense comb. nov. Int J Syst Evol Microbiol 2016; 66:4471-4479.
  • 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 66, part 11 of the IJSEM. Int J Syst Evol Microbiol 2017; 67:179-182.
  • ❗ Mycobacteroides abscessus subsp. massiliense is the correct name instead if this subspecies is regarded as a separate subspecies (i.e., if its nomenclatural type is not assigned to another subspecies whose name is validly published, legitimate and not rejected and has priority) within a separate species Mycobacteroides abscessus 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 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 a synonym of 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: Mycobacteroides abscessus (Moore and Frerichs 1953) 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: 798163