Action at a distance for glp repressor control of glpTQ transcription in Escherichia coli K-12.


The adjacent, divergently transcribed glpACB and glpTQ operons of Escherichia coli encode the anaerobic glycerol 3-phosphate dehydrogenase and glycerol 3-phosphate transporter/phosphodiesterase, respectively. These operons are negatively controlled by glp repressor binding to operators that overlap the glpA promoter elements. Using DNase I footprinting… (More)


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