A 3321 base pair fragment from the flanking non-coding or intronic region of gish is fused upstream of a Drosophila core synthetic promoter (DSCP) that is followed by sequence encoding a GAL4 driver.
In the wandering third instar larva ScerGAL4GMR28C09 drives expression in the mushroom body and in a small number of interneurons in abdominal neuromeres.