A 2203 base pair fragment from the flanking non-coding or intronic region of sff is fused upstream of a Drosophila synthetic core promoter (DSCP) followed by sequence encoding a GAL4 driver.
abnormal chemosensory behavior | adult stage | conditional, with Cnoc\ChR1::Csub\ChRCsChrimson.IVS.20xUAS.Venus
abnormal smell perception | heat sensitive, with shi1.UAS