Life SciencesGeneticsMolecular GeneticsInsect GeneticsInsect PhysiologySignal TransductionLight HarvestingPhotoreceptor Gene FunctionPhotoreceptor PhysiologyPhotosystem IPhotosystem IiRetinal Ganglion Cell FunctionDrosophila ModelsGene Regulation In PhotoreceptorsPhotoreceptor AnatomyPhotoreceptor BiologyPhotoreceptor MorphologyPhotoreceptor SignalingTranscription Factors In Photoreceptors