Comparison of the level of mRNA produced by Alup\AFP1.5ΔIVS.Yp1 and Alup\AFP1.9Yp2.PR, a pair of transgenes transcribed in opposite orientations from the same promoter/enhancer region, suggests that the presence of intron sequences facilitate mRNA accumulation in Drosophila.
Comparison of the level of mRNA produced by Alup\AFP1.5ΔIVS.Yp1 and Alup\AFP1.9Yp2.PR, a pair of transgenes transcribed in opposite orientations from the same promoter/enhancer region, suggests that the presence of intron sequences facilitate mRNA accumulation in Drosophila.