Loss of functional cryptochrome 1 reduces robustness of 24-hour behavioral rhythms in monarch butterflies
Summary: Light is one of the strongest cues for entrainment of circadian clocks.While some insect species rely only on visual input, others like Drosophila melanogaster use both the visual system and the deep-brain blue-light photoreceptor cryptochrome for entraining circadian rhythms.Here, Hair we used the monarch butterfly Danaus plexippus (dp),