Fig. 1From: Isolation of nontuberculous mycobacteria from soil using Middlebrook 7H10 agar with increased malachite green concentrationModified Middlebrook 7H10 medium containing 250 mg/L MG with mycobacteria primarily isolated from soil. a Sample collected at campus, b sample collected at community, and c collected at natural park. Black arrows indicate mycobacterial colonies, red arrows indicate dried soilsBack to article page