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Schematic representation of a set of rpoS-lacZ fusion genes used in this study. The rpoS operon is diagrammed at the top. The rpoS open reading frame is indicated. P, promoter of rpoS. cis-acting elements required for translational control and turnover control and restriction sites used for the construction of the rpoS-lacZ fusion genes are indicated. The structures of three types of rpoS-lacZ fusion genes are diagrammed below.
