Figure 1: Agarose gel electrophoresis analysis of PCR amplified DNA using sequence-specific primers and RNA, genomic DNA and cDNA synthesized from RNA of M. tuberculosis (a), BCG (b), M. avium (c), M. vaccae (d). M: 100 bp DNA ladder, Lane 1: RNA amplified with MD1/MD2 primers (No product). Lane 2: Genomic DNA amplified with MD1/MD2 primers (162 bp DNA product). Lane 3: cDNA amplified with MD1/MD2 primers (162 bp DNA product), Lane 4: cDNA amplified with ESXV primers (301 bp DNA product) Lane 5: cDNA amplified with PE35 primers (316 bp DNA product), Lane 6: cDNA amplified with PPE68 primers (1123 bp DNA product), Lane 7: cDNA amplified with ESXB primers (307 bp DNA product), Lane 8: cDNA amplified with ESXA primers (319 bp DNA product).