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Title: 視細胞の光受容メカニズム
Other Titles: Phototransduction Mechanism in Visual Cells
Authors: 今元, 泰  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-0803-4163 (unconfirmed)
Author's alias: IMAMOTO, Yasushi
Keywords: rhodopsin
rod
cone
isomerization
G protein-coupled receptor
retinal
Issue Date: 2015
Publisher: 日本生物物理学会
Journal title: 生物物理
Volume: 55
Issue: 6
Start page: 299
End page: 304
Abstract: Animal retinas possess photoreceptor cells specialized to receive photons and convert them into neural signals. There are two types of visual cells, called rods and cones. Rods function in dim light conditions, and their photosensitivity is sufficiently high to respond to a single photon. Cones show rapid photoresponse, and the combination of cones having different wavelength sensitivity enables color vision. The transduction cascade in visual cells is initiated by the activation of G protein by photoactivated visual pigment, and this eventually results in the hyperpolarization of the cell. Recent progress in the study of the molecular basis of vision is reviewed.
Rights: © 2015 by THE BIOPHYSICAL SOCIETY OF JAPAN
許諾条件に基づいて掲載しています。
URI: http://hdl.handle.net/2433/243172
DOI(Published Version): 10.2142/biophys.55.299
Appears in Collections:Journal Articles

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