UASp regulatory sequences drive expression of Pen. 7 nucleotides of the Pen 3' UTR sequence are also present in the construct.
Scer\GAL4VP16.nanos.UTR/PenUASp.cMa rescues PenD14
Expression of PenScer\UAS.P\T.cMa under the control of Scer\GAL4nos.UTR.T:Hsim\VP16 rescues the sterility of PenD14 females.