UAS regulatory sequences drive expression of Csal\ASH2 coding sequences downstream of a 560bp UTR containing the Sensory Organ Precursor Enhancer (SOPE).
mechanosensory chaeta | ectopic, with Scer\GAL4hs.PB
Flies expressing Tcas\aseScer\UAS.cAa under the control of Scer\GAL4hs.PB display in total an average of 3.4 ectopic bristles.