Figure 1From: Evaluation of phage assay for rapid phenotypic detection of rifampicin resistance in Mycobacterium tuberculosisInterpretation of the phage assay in the indicator plates. The resistance strains (26 and 27) showed lysis on the indicator plates in both the RPM treated and control samples, whereas the sensitive strains (25 and 28) had lysis only in the growth (no drug) control.Back to article page