Identification and analysis of the rpoS-dependent promoter of katE, encoding catalase HPII in Escherichia coli.


The rpoS gene of Escherichia coli encodes an alternative sigma factor of RNA polymerase sigma38 (or sigma(s)) that is required for transcription of katE encoding catalase HPII. The transcription start site of the single katE transcript identified by ribonuclease protection has been determined by primer extension analysis to be either 53 or 54 bp (depending… (More)


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