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. 2007 Mar 5;75(5):2432–2440. doi: 10.1128/IAI.02003-06

FIG. 3.

FIG. 3.

(A) Schematic of nested-deletion analysis. The numbering of the bases (−393 to +323) is based on the P2 transcriptional start site. (B) Deletion analysis of the LEE1 promoter in EHEC. Fragments of the LEE1 promoter were electroporated into 86-24 (WT), VS145 (qseA mutant), and VS151 (qseA complemented) and assessed for β-galactosidase activity. Error bars indicate standard deviations. (C) Deletion analysis of the LEE1 promoter in E. coli K-12. Fragments of the LEE1 promoter were transformed into MC4100 (WT), FS02 (qseA mutant), and FS76 (qseA complemented) and assessed for β-galactosidase activity. Error bars indicate standard deviations.