Mycobacterium duvalii

Mycobacterium duvalii is a species of the phylum Actinobacteria (Gram-positive bacteria with high guanine and cytosine content, one of the dominant phyla of all bacteria), belonging to the genus Mycobacterium.

Mycobacterium duvalii
Scientific classification
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M. duvalii
Binomial name
Mycobacterium duvalii
Stanford and Gunthorpe 1971, ATCC 51304

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

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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