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Eyeless Worms Can Run Away from Dangerous Blues.
Mol Cells
August 2021
Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea.
Eyeless worms detect color.
Science
March 2021
Laboratory of Neurogenetics and Behavior, The Rockefeller University, New York, NY, USA.
The planarian homolog mediates extraocular behavioral responses to near-ultraviolet light.
J Exp Biol
July 2017
Department of Biological Sciences, Western Michigan University, 1903 W. Michigan Avenue, Kalamazoo, MI 49008, USA
Although light is most commonly thought of as a visual cue, many animals possess mechanisms to detect light outside of the eye for various functions, including predator avoidance, circadian rhythms, phototaxis and migration. Here we confirm that planarians (like , leeches and larvae) are capable of detecting and responding to light using extraocular photoreception. We found that, when either eyeless or decapitated worms were exposed to near-ultraviolet (near-UV) light, intense wild-type photophobic behaviors were still observed.
View Article and Find Full Text PDFControl of Maintenance and Regeneration of Planarian Eyes by ovo.
Invest Ophthalmol Vis Sci
November 2015
Department of Ophthalmology Mayo Clinic, Rochester, Minnesota, United States.
Purpose: Following decapitation, the planarian Schmidtea mediterranea regenerates its head and eyes. The gene ovo is required for eye maintenance and regeneration in response to wounding. In this study, we investigated whether eye regeneration in S.
View Article and Find Full Text PDFC. elegans phototransduction requires a G protein-dependent cGMP pathway and a taste receptor homolog.
Nat Neurosci
June 2010
Life Sciences Institute, Department of Molecular and Integrative Physiology, and Neuroscience Program, University of Michigan, Ann Arbor, Michigan, USA.
The eyeless animal C. elegans is able to sense light and engages in phototaxis behavior that is mediated by photoreceptor cells. However, the molecular and cellular mechanisms underlying phototransduction in C.
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