UASp regulatory sequences drive expression of trk containing the amino acid replacement E80A.
Scer\GAL4VP16.nanos.UTR/trkE80A.UASp partially rescues trkΔ
Maternal expression of trkE80A.Scer\UAS.P\T under the control of Scer\GAL4nos.UTR.T:Hsim\VP16 rescues the phenotype of embryos laid by trkΔ females in 15% of cases.