Mycobacterium gadium

Mycobacterium gadium 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.

Description[]

Short gram-positive, nonmotile and acid-fast rods.

Colony characteristics

• Yellow-orange, scotochromogenic colonies, but the pigmentation deepens with exposure to light. Older cultures are more dry and rough.

Physiology

• Rapid growth on Löwenstein-Jensen medium at 28 °C and 37 °C, but not at 45 °C.

Pathogenesis[]

• Pathogenicity in humans is not known. Production of a local regressing infection but no death in mice.
• Biosafety level 1

Type strain[]

First isolated from known tuberculous patient from Cadiz, Spain. Strain ATCC 27726 = CCUG 37515 = CIP 105388 = DSM 44077 = HAMBI 2274 = JCM 12688 = NCTC 10942.

References[]

• Casal,M., and J. Calero. 1974. Mycobacterium gadium sp. nov. A new species of rapid-growing scotochromogenic mycobacteria. Tubercle, 55, 299–308.] PMID 4220083

External links[]

• Type strain of Mycobacterium gadium at BacDive - the Bacterial Diversity Metadatabase

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