Mycobacterium massiliense

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Mycobacterium massiliense
Scientific classification
Kingdom: Bacteria
Phylum: Actinobacteria
Order: Actinomycetales
Suborder: Corynebacterineae
Family: Mycobacteriaceae
Genus: Mycobacterium
Species: M. massiliense
Binomial name
Mycobacterium massiliense
Adékambi et al. 2006, CCUG 48898

Mycobacterium massiliense is a rapidly growing Mycobacteria species sharing an identical 16S rRNA sequence with Mycobacterium abscessus. Etymology: massiliense, pertaining to Massilia, the Latin name of Marseille, France where the organism was isolated.


Strictly aerobic, nonmotile, non-spore forming, acid-fast, Gram-positive rods.

Colony characteristics

  • The colonies are nonphotochromogenic and intermediate between smooth and rough, although it is possible to identify isolates with rough phenotype;


  • Growth occurs between 2 and 4 days on 5% sheep blood agar, Middlebrook 7H10 agar, and LJ slants at between at 24 and 37 °C; no growth is observed at 42 and 45 °C.

Differential Characteristics

  • Differentiated from Mycobacterium abscessus by hsp65 sequence (5bp difference)


Type strain[edit]

Strain CCUG 48898 = CIP 108297.


  • Adékambi et al. 2004. Amoebal coculture of "Mycobacterium massiliense" sp. nov. from the sputum of a patient with hemoptoic pneumonia. J. Clin. Microbiol., 42, 5493-5501.] PMID 15583272
  • Viana-Niero C, Lima KV, Lopes ML, Rabello MC, Marsola LR, Brilhante VC, Durham AM, Leão SC. 2008. Molecular characterization of Mycobacterium massiliense and Mycobacterium bolletii in isolates collected from outbreaks of infections after laparoscopic surgeries and cosmetic procedures. J Clin Microbiol. 2008 Mar;46(3):850-5. Epub 2008 Jan 3 PMID 18174307