Transcriptional analysis of ginI and ginR. (A) S1 nuclease mapping of ginI and ginR in wild-type strain NCI1051 harboring pMV24 (lane 1), the ginI mutant harboring pMV24 (lane 2), the ginI mutant harboring pGinIA (lane 3), the ginR mutant harboring pMV24 (lane 4), and the ginR mutant harboring pGinR (lane 5). (B) S1 nuclease mapping of ginR in wild-type strain NCI1051 harboring pMV24 (lane 1), the ginR mutant harboring pMV24 (lane 2), the ginR mutant harboring pGinR (lane 3), and the ginR mutant harboring pMGinR (lane 4).