Figure 3
From: Mating rhythms of Drosophila: rescue of tim 01 mutants by D. ananassae timeless
An output model of the mating behavioral rhythm. Outputs of behaviors are regulated by an intrinsic circadian oscillator, a component of which is the tim gene. The locomotor activity rhythm is directly correlated with the timing of TIM protein induction. On the other hand, the mating activity rhythm is regulated by different pathways. Unknown factors may affect the profile of the mating activity rhythm.