1Proskauer and Beck’s MediumA liquid medium. The growth of M. tuberculosis causes turbidity.
2Middlebrook 7H9 BrothThis is a liquid medium that contains glycerol and Tween 80, which prevent clumping of mycobacteria. The growth of M. tuberculosis results in turbidity.
3Dubos’ MediumA liquid medium that contains a mixture of salts, fatty acids, and polysorbate. When M. tuberculosis grows in this medium, it causes the medium to become turbid.
4Tarshis MediumA blood-based medium that can promote the growth of M. tuberculosis. The colonies appear similar to those on the LJ Medium.
5m-ENDO AgarE. coli colonies appear as green with a metallic sheen, indicating lactose fermentation.