The FRT>HcRed1>FRT cassette has been excised, allowing the UASt regulatory sequences to drive expression of an inverted repeat of Apoltp nucleotides 425-944 (this dsRNA targets the ApoLTPI cleavage product of the Apoltp precursor).
Expression of ApoltpdsRNA.Scer\UAS.I in the fat body under the control of Scer\GAL4Adh.PF (initiated by heat shock during the larval stages) results in dramatic enlargement of the neutral fat droplets in the larval posterior midgut.