The C terminal CtBP interacting SA domain has been deleted.
dorsal mesothoracic disc & sensory mother cell, with Scer\GAL4Bx-MS1096
When ttk69.ΔSA.Scer\UAS is driven by Scer\GAL4Bx-MS1096, a reduction is seen in the wing blade. When ttk69.ΔSA.Scer\UAS is driven by Scer\GAL4Bx-MS1096, the dorsal chemosensory bristles and the ventral mechanosensory bristles in the triple row are completely absent. Sensory organ precursors are ablated in the wing disc.