Name: Mycobacterium abscessus subsp. massiliense (Adékambi et al. 2006) Tortoli et al. 2016

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 (Latin), gender: my-ko-bak-TE-ri-um abs-KES-sus 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

Valid 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. 🇮🇹

IJSEM list: 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.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Synonyms:

  • Name	Kind
    Mycobacteroides abscessus subsp. massiliense (Adékambi et al. 2006) Gupta et al. 2018	homotypic synonym, validly published under the ICNP
    Mycobacterium massiliense Adékambi et al. 2006	homotypic synonym, validly published under the ICNP, distinct rank

• Emendations:
  • Nouioui et al. 2018 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. 🇩🇪 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.

• Notes:
  • ⏲ According to Leao et al. (2011), this subspecies is a later heterotypic synonym of Mycobacteroides abscessus subsp. bolletii (Adékambi et al. 2006) Gupta et al. 2018. 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 Mycobacteroides abscessus subsp. bolletii (Adékambi et al. 2006) Gupta et al. 2018. 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.
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human pathogen". — The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 2, note = "ht". — 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 abscessus (Moore and Frerichs 1953) Kusunoki and Ezaki 1992

Assigned by: 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. 🇮🇹

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Record number: 794775