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Mycobacterium canariasense
Scientific classification
Kingdom: Bacteria
Phylum: Actinobacteria
Order: Actinomycetales
Suborder: Corynebacterineae
Family: Mycobacteriaceae
Genus: Mycobacterium
Species: M. canariasense
Binomial name
Mycobacterium canariasense
Jiménez et al. 2004, CCUG 47953

Mycobacterium canariasense is a rapidly growing, non-pigmented mycobacterium first isolated from blood samples obtained from 17 patients with febrile syndrome. Etymology: canariasense; referring to the Latin adjective of the Spanish islands where all strains were isolated.




  • Weakly acid-fast rods.

Colony characteristics

  • Visible growth appears in 2–3 days as smooth, moist, shiny, non-pigmented colonies on Löwenstein-Jensen medium. Growth later develops a more yellowish, smooth, moist and shiny appearance.


  • Growth occurs at 30 and 37C, but not at 22, 42 or 45C.
  • Grows on MacConkey agar without crystal violet, but does not grow in the presence

of 5% NaCl.

  • Positive for arylsulfatase activity (3 days) and Tween 80 hydrolysis.
  • Produces a low level of heatstable catalase and is negative for reduction of nitrates.

Differential characteristics


  • First isolated from blood samples obtained from 17 patients with febrile syndrome in the Canary Islands.

Type Strain

  • Strain 502329T =CIP 107998T =CCUG 47953T


  • Jimenez M.,S., 2004. Mycobacterium canariasense sp. nov. Int. J. Syst. Evol. Microbiol., 54, 1729-1734. PMID 15388736


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