Figure 1From: Characterization of α-isopropylmalate synthases containing different copy numbers of tandem repeats in Mycobacterium tuberculosisPCR amplification of leuA genes from M. tuberculosis strains. leuA genes were PCR amplified from H37Rv and Amnatchareon strain 731 with two and 14 copies of the tandem repeats, respectively. Lane M, 200 bp DNA markers.Back to article page