V Bettenworth

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The flhDC operon of Salmonella typhimurium is the master control operon required for the expression of the entire flagellar regulon. The flagellar master operon was placed under the tetracycline-inducible promoter PtetA using the T-POP transposon. Cells containing this construct are motile in the presence of tetracycline and non-motile without inducer(More)
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