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Heterologous complementation of M. tuberculosis H37Rv ΔsigK (with polar effect on rskA). Quantification of mpt70 (black) and mpt83 (white) expression by semiquantitative RT-PCR, normalized to sigA, of M. tuberculosis ΔsigK rskA and strains complemented with pMV::sigKbovis (same as H37Rv), pMV::sigK rskAbovis, pMV::sigKgilvum, and pMV::sigK-rskAgilvum (from Mycobacterium gilvum). The data represent the mean quantification of RNA of two transformants in early exponential phase.
