Abstract
The visual response is initiated by light reception and transduction into chemical and electrical energy in the outer-segment membranes of rod and cone cells. Recent research on the molecular events controlled by light has clarified the roles of some of the rod outer-segment biomolecules. These developments and the current unresolved questions are described.
MeSH terms
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Animals
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Blood Proteins / metabolism
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Calcium / metabolism
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Chemical Phenomena
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Chemistry
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Enzyme Activation
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Enzymes / metabolism
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GTP-Binding Proteins
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Light
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Membranes / metabolism
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Models, Biological
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Phosphoric Diester Hydrolases / biosynthesis
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Photoreceptor Cells / metabolism*
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Receptors, Cell Surface / metabolism
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Rhodopsin / metabolism
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Rod Cell Outer Segment / metabolism*
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Vision, Ocular / physiology*
Substances
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Blood Proteins
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Enzymes
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Receptors, Cell Surface
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Rhodopsin
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Phosphoric Diester Hydrolases
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GTP-Binding Proteins
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Calcium