Cryptochrome-positive and -negative clock neurons in Drosophila entrain differentially to light and temperature.

Abstract excerpt

The blue-light photoreceptive protein Cryptochrome (CRY) plays an important role in the light synchronization of the Drosophila circadian clock. Previously, we found that among the approximately 150 clock neurons, many but not all neurons express CRY. We speculated that the CRY-positive pacemaker neurons may be especially important for light entrainment, whereas the CRY-negative neurons may be important for other...

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