UAS sequences drive expression of Src42A.
embryonic leading edge cell, with Scer\GAL4pnr-MD237
Expression of Src42AScer\UAS.Ta, driven by Scer\GAL4pnr-MD237, prevents dorsal epithelial cells from elongating normally.
Src42AUAS.Ta/Scer\GAL4arm.PS rescues Src42A26-1