Circadian rhythms: eyes of the clock.
The daily light-dark cycle synchronizes the internal circadian clock with the outside world. Blind organisms maintain this light-induced entrainment, suggesting the existence of a non-visual phototransduction pathway. The photoreceptor is unknown, but several intriguing candidates have recently come to light.
Van Gelder
R N
RN
Department of Ophthalmology and Visual Sciences, Washington University School of Medicine, St. Louis, Missouri 63110, USA. vangelderr@am.seer.wustl.edu
D000818:Animals; D001683:Biological Clocks / Q000235:genetics / Q000502:physiology*; D002940:Circadian Rhythm / Q000235:genetics / Q000502:physiology*; D006801:Humans; D008027:Light; D010786:Photoreceptor Cells / Q000502:physiology*