A 4.6kb genomic fragment containing the promoter region and first two exons of foxo is fused to a full-length foxo cDNA, followed by an in-frame Tag:V5 tag sequence.
Expression of foxoT:SV5\V5 rescues the circadian arrhythmia seen in foxo21/foxo25 mutants. Phototaxis is not affected by paraquat treatment in these mutants.