UASp regulatory sequences drive expression of casp with the Ubiquitin-like regulatory X (UBX) domain deleted, tagged at the N-terminal with Tag:HA.
increased cell number | embryonic stage | maternal effect, with Scer\GAL4VP16.nanos.UTR
primordial germ cell | embryonic stage | increased number | maternal effect, with Scer\GAL4VP16.nanos.UTR
caspΔUBX.UASp/Scer\GAL4VP16.nanos.UTR partially rescues Df(2R)BSC308/caspc04227