Fig. 2From: Establishment and evaluation of an overlap extension polymerase chain reaction technique for rapid and efficient detection of drug-resistance in Mycobacterium tuberculosisResults of agarose gel electrophoresis. M represents the marker, and N represents the negative control. 1–4 represent amplification products of the fragments of rpoB, embB, katG, and inhA, 5 represents the amplification product of the rpoB-embB fragment, 6 represents the amplification product of the embB-katG fragment, and 7 represents the amplification product of the katG-inhA fragmentBack to article page