Mycobacterium madagascariense
# Mycobacterium madagascariense

Mycobacterium madagascariense Etymology: madagascariense, relating to Madagascar where it was first isolated.

## Description

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

Colony characteristics

* Smooth and glistening colonies with yellow or orange pigmentation (1-2mm in diameter).

Physiology

* Rapid growth on Löwenstein-Jensen medium and Middlebrook 7H10 agar at 31 °C. No growth at 37 °C or above.

Differential characteristics

* Differentiated from Mycobacterium aurum and Mycobacterium obuense by its failure to grow at 37 °C

## Pathogenesis

* Not known to be pathogenic.
* Biosafety level 1

## Type strain

* First isolated from three different sphagnum biotopes in Madagascar.

Strain P2 = ATCC 49865 = CIP 104538 = JCM 13574.

