Mycobacterium canariasense
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.
Description
Microscopy
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.
Physiology
- 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
Pathogenesis
- First isolated from blood samples obtained from 17 patients with febrile syndrome in the Canary Islands.
Type strain
- Strain 502329T =CIP 107998T =CCUG 47953T
References
- Jimenez M.,S., 2004. Mycobacterium canariasense sp. nov. Int. J. Syst. Evol. Microbiol., 54, 1729-1734. PMID 15388736
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Slowly growing
(R1P=photochromogenic;
R2S=scotochromogenic;
R3N=nonchromogenic) |
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Long helix 18
(TKHGC)
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M. tuberculosis group
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K/H groups
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M. kansasii group
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M. haemophilum group
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M. conspicuum group
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Long helix 18
(other)
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M. xenopi group
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M. celatum group
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M. hiberniae group
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Short helix 18
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Ungrouped
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Rapidly growing/
Runyon IV |
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M. neoaurum group
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F/T groups
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M. fortuitum group
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M. vaccae group
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M. smegmatis group
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M. chelonae group
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M. elephantis group
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