Circadian Photoreception
- 10 January 2003
- journal article
- editorial
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 299 (5604) , 213-214
- https://doi.org/10.1126/science.1081112
Abstract
The brains of nonmammalian vertebrates contain populations of photoreceptive cells that are important for establishing the circadian rhythms of physiology and behavior. Do mammals, which evolved from strictly nocturnal ancestors, contain such photoreceptive cells? As [Menaker][1] explains in his Perspective, new work (including [Lucas][2] et al . and [Van Gelder][3] et al .) establishes that the mammalian retina contains photoreceptive ganglion cells carrying the photopigment melanopsin, which contribute to the entrainment of circadian rhythms to the light-dark cycle. [1]: http://www.sciencemag.org/cgi/content/full/299/5604/213 [2]: http://www.sciencemag.org/cgi/content/short/299/5604/245 [3]: http://www.sciencemag.org/cgi/content/short/299/5604/222Keywords
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