An Intergenic Stem-Loop Mutation in the Bacillus subtilis ccpA-motPS Operon Increases motPS Transcription and the MotPS Contribution to Motility

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Abstract
A stem-loop mutation between ccpA and motP in the Bacillus subtilis ccpA-motPS operon increased motPS transcription and membrane-associated MotPS levels, motility, and number of flagella/cell when MotPS is the sole stator and the MotPS contribution to motility at high pH, Na + , and viscosity when MotAB is also present.