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Effect of elimination of the T-N11-A motif in the lysP control region on lysP expression. Parent strain MG-LR (PlysP::lacZ ΔlysP) and strain MG-LR4 (PlysPΔTN11A::lacZ ΔlysP) were grown aerobically to an OD600 of ∼0.8 in glucose minimal medium without supplementation or supplemented with 10 mM lysine (lys.) and/or arginine (arg.) for determination of β-galactosidase activity. All experiments were performed at least three times. Error bars represent standard deviations from the means.
