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. 2010 Jun 24;3(4):412–427. doi: 10.1111/j.1751-7915.2009.00160.x

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Copyright © 2009 The Authors. Journal compilation © 2009 Society for Applied Microbiology and Blackwell Publishing Ltd

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Effects on reporter performance of several manipulations of the promoter region of a sulA′::lux construct in E. coli. Data represent the increase in bioluminescence (in relative light units) following a 60 min exposure to different nalidixic acid concentrations. (□) wild‐type; (◆) a mutation near the lexA binding site; () a tandem sulA‐recA promoter; (●) a modification of the −35 consensus sequence; () a promoter‐containing fragment extending into the sulA ORF. Activity is reported as the difference in luminescence intensity (in arbitrary relative light units, RLU) between the induced and non‐induced reactions.

Inline graphic — Effects on reporter performance of several manipulations of the promoter region of a sulA′::lux construct in E. coli. Data represent the increase in bioluminescence (in relative light units) following a 60 min exposure to different nalidixic acid concentrations. (□) wild‐type; (◆) a mutation near the lexA binding site; () a tandem sulA‐recA promoter; (●) a modification of the −35 consensus sequence; () a promoter‐containing fragment extending into the sulA ORF. Activity is reported as the difference in luminescence intensity (in arbitrary relative light units, RLU) between the induced and non‐induced reactions.