UASt regulatory sequences drive expression of E(spl)mδ-HLH fused at amino acid 169 to the VP16 transcriptional activation domain.
Expression of HLHmδScer\UAS.T:Hsim\VP16 under the control of Scer\GAL4pnr-MD237 induces bristle formation, even in a Df(1)sc10-1/Y background.