UASt regulatory sequences drive expression of an inverted repeat.
Expression under the control of Scer\GAL41407 results in an increased number and size of GFP-positive aggregates within neuroblast lineage cells in the larval brain compared to controls (these aggregates may indicate cell death or a disturbance of internal cellular structures).
Expression under the control of Scer\GAL4Mef2.PR results in early pupal lethality.
Expression under the control of Scer\GAL4pnr-MD237 results in lethality (either before or at the pupal stage), depending on the insertion line used.