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Positive regulation of the kdpA′-bgaL fusion by KdpE. (A) The L. biflexa kdpA′-bgaL strain was transformed with pSLe94 (vector) or a KdpE expression plasmid. (B) Same as panel A, except the L. biflexa strain harbored the lipL32′-bgaL fusion. Each bar represents the mean β-galactosidase expression from three independent cultures. The error bars denote the standard deviations. *, P < 0.05 (1-way ANOVA and Dunnett's multiple-comparison posttest).
