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Regulation of polyadenylation is promoter-independent. Exchange of FV U3-promoter with the CMV-I.E. promoter has no influence on the regulation of polyadenylation. (A) Plasmid schemas are indicated above. (B) Bars represent the mean value of three independent transfections, and the error bars represent the standard deviations. The significance of the reduction by the SDm2 mutation or increase by SDm2+p(A)m was calculated by paired two-sample t-test. p-values are indicated.
