Mycobacterium duvalii

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Mycobacterium duvalii
Scientific classification
Kingdom: Bacteria Phylum: Actinobacteria Order: Actinomycetales Suborder: Corynebacterineae Family: Mycobacteriaceae Genus: Mycobacterium Species: M. duvalii
Binomial name
Mycobacterium duvalii Stanford and Gunthorpe 1971, ATCC 51304

Mycobacterium duvalii

Contents 1 Description 2 Pathogenesis 3 Type Strain 4 References

[edit] Description

Gram-positive, nonmotile and pleomorphic acid-fast rods.

Colony characteristics

• Bright yellow pigmented, scotochromogenic and rough or smooth colonies on Löwenstein-Jensen medium.

Physiology

• Fast growth on Löwenstein-Jensen medium at 25°C and 37°C within 7 days. No growth at 45°C.
• Resistant to isoniazid, rifampicin, and sodium aminosalicylate.

Differential characteristics

• Characterised by the possession of 6 species-specific antigens demonstrable in immunodiffusion tests.

Pathogenicity.

[edit] Pathogenesis

Not pathogenic, but evidence insufficient. Biosafety level 1.

[edit] Type Strain

First isolated from cases of human leprosy by C. W. Duval. Strain ATCC 43910 = CCUG 41352 = CIP 104539 = DSM 44244 = JCM 6396 = NCTC 358.

[edit] References

• Stanford, J. et al. 1971. A study of some fast-growing scotochromogenic mycobacteria including species descriptions of Mycobacterium gilvum (new species) and Mycobacterium duvalii (new species). British Journal of Experimental Pathology, 52, 627-637.]