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Plasmids used in this study. The shaded regions in panel D are IS2 sequences which remained. Abbreviations: crp, CRP gene; Ampr, ampicillin resistance gene; Cmr, chloramphenicol resistance gene; Kmr, kanamycin resistance gene; luxAB1, luciferase gene from Vibrio harveyi (45); PinsA, the insA gene promoter, which is also the major IS2 promoter.
