UAS regulatory sequences drive expression of a short inverted repeat.
adult midgut, with Scer\GAL4Cg.PU
basement membrane | adult stage, with Scer\GAL4Cg.PU
embryonic/larval middle midgut | larval stage, with Scer\GAL4Cg.PU
embryonic/larval proventriculus | larval stage, with Scer\GAL4Cg.PU