Mycobacterium tusciae

Mycobacterium tusciae is a slow-growing, scotochromogenic mycobacterium first isolated from a lymph node of an immunocompromised child and subsequently from tap water and from a respiratory specimen of a patient with chronic fibrosis.
Etymology: tusciae referring to the Italian region of Tuscany, where the organisms were first isolated.
Description.
Microscopy
Colony characteristics
Physiology
streptomycin.
Pathophysiology
Differential characteristics