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Purification and activity of L pyocins. (A) SDS-PAGE electrophoresis of purified pyocins. Lane 1, size marker (kDa); lane 2, PyoL1; lane 3, PyoL2; lane 4, PyoL3. (B–D) Bacteriocin activity of a 5-fold dilution series (starting concentration 2 mg/mL, left halo) of PyoL1 (B), PyoL2 (C) and PyoL3 (D) against indicator strains Pseudomonas aeruginosa Bu002 (B), A19 (C) and Pr335 (D).
