Abstract
THE process of transduction in vision is that mechanism whereby absorption of light by a photoreceptor cell in the retina results in a polarisation of the receptor cell membrane, excitation of the cell, and the eventual generation of a neural impulse to the brain from higher order neurones. It is already well known that the initial and primary process in vision is the absorption of photons by 1l-cis retinal and concomitant isomerisation of the visual pigment to all-trans retinal. We have therefore studied events resulting from this photoisomerisation, events which provide a link between the absorption of light and the excitation of the receptor cell.
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References
Yoshikami, S., and Hagins, W. A., Biophys. J. Abstr., 11, 47a (1971).
Mason, W. T., Fager, R. S., and Abrahamson, E. W., Biochemistry, 12, 2147 (1973).
Mason, W. T., and Lee, Y. F., Nature new Biol., 244, 143 (1973).
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address for reprint requests: The Physiological Laboratory, Downing Street, University of Cambridge, Cambridge CB2 3EG.
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MASON, W., FAGER, R. & ABRAHAMSON, E. Ion Fluxes in Disk Membranes of Retinal Rod Outer Segments. Nature 247, 562–563 (1974). https://doi.org/10.1038/247562a0
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DOI: https://doi.org/10.1038/247562a0
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