Mycobacterium duvalii

Mycobacterium duvalii
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

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.

Pathogenesis

Not pathogenic, but evidence insufficient. Biosafety level 1.

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.

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.] PMID 5002706


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