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. 2007 Oct 19;190(1):87–97. doi: 10.1128/JB.01323-07

FIG. 2.

FIG. 2.

Effects of dsbA, srgA, and cpxRA mutations on transcription of SPI1 T3SS genes. Strains contained the lac transcriptional fusions indicated below the graphs. Panel B compares the activity of two different hilA-lac fusion constructs. The Φ(hilA-lac+)112 fusion is from reference 19, whereas the attλ::pDX1::hilA′-lacZ construct is used throughout this study. Data in panel C are shown as relative β-galactosidase activity where the level of activity of each fusion in a wild-type background is considered 100%. This allows direct comparison of the two fusions. The strains used were JS749 to JS758 (A); JS279, JS379, JS749, JS754, JS828, and JS829 (B); JS749, JS751, JS754, JS757, and JS759 to JS762 (C); and JS749, JS754, JS763, and JS765 (D). WT, wild type.