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Exogenous addition of catalase partially neutralizes the growth-inhibitory effects of LL-37 in E. coli TOP10 cells. Shown are growth curves of E. coli expressing LL-37 in LB medium in the absence and presence of 0.1% l-arabinose; 150 μM thiourea (A), 500 μM 2,2′-dipyidyl (B), and 4 mM glutathione (C) were added to the medium, and catalase was included at 8 kU and 16 kU final concentrations (D).
