A FLP/FRT intersectional strategy shows expression of ScerGAL4GMR72E10 in ventrolateral protocerebrum projection neuron 1 when combined with EcollexAfru.P1.
Inhibition (using Ctet\TeTxLCFRT.stop.UAS with Scer\FLP1L.8xlexAop) of neurons expressing Ecol\lexAfru.P1 and Scer\GAL4GMR72E10 significantly reduces male-male courtship chaining responses to pulse song, compared to controls.
Optogenetic activation (using Cnoc\ChR1Cs.20xUAS.FRT.Venus with Scer\FLP1L.8xlexAop and activating with 655 nm (red) light) of neurons expressing Ecol\lexAfru.P1 and Scer\GAL4GMR72E10 significantly increases male-male courtship chaining, compared to controls.