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. 2003 Feb;69(2):1263–1269. doi: 10.1128/AEM.69.2.1263-1269.2003

FIG. 2.

FIG. 2.

Effect of 8.0-kb Sau3AI DNA fragment (S2) on pigment production in S. lividans TK21 on 5-day-old R2YE plates (upper panels) and in liquid YEME medium (lower panels). (A) TK21 carrying no plasmid; (B) TK21 carrying pPRA2. The dark gray diffusion into the agar medium indicates the blue pigment. (C) Production of actinorhodin (•) and undecylprodigiosin (○) by strain TK21 carrying no plasmid (left side) or carrying plasmid pPRA2 (right side). The A530 and A590 values for undecylprodigiosin and actinorhodin were analyzed and plotted. Each plot represents the mean values of duplicate experiments. Bars indicate standard error.