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Effect of scoC mutation on phoPR transcription throughout growth. Cells were grown in LPDMG over a period of 12 h to monitor the growth and level of phoPR transcription. The first hour when APase activity was induced as a reporter for Pho induction is identified as T0. Solid symbols represent the growth, and open symbols represent the β-galactosidase specific activity of the full-length phoPR-lacZ fusion in each strain. Circle, WT (MH5562); square, scoC (MH7400).
