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- 大黒 浩
- 札幌医科大学医学部眼科学教室
書誌事項
- タイトル別名
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- Molecular Mechanisms of rhodopsin phosphorylation and dephosphorylation.
- ロドプシン ノ リンサンカ ト ダツ リンサンカ ノ ブンシ メカニズム
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抄録
Rhodopsin absorbs light and undergoes a photobleaching. Its intermediates activate a cGMP cascade that generates a hyperpolarized potential in rod photoreceptor cells. This light-triggered cascade reaction is terminated and completely restored to the dark levels by another enzymatically controlled reaction initiated by rhodopsin phosphorylation by rhodopsin kinase. Thus, phosphorylation and dephosphorylation of rhodopsin is a crucial regulatory mechanism of photoreception of rods. I found that rhodopsin phosphorylation predominantly occurs at 334, 338 and 343 serine residues in both in vivo and in vitro. Furthermore, I also found rhodopsin phosphorylation is involved in not only the quenching phototransduction but the dark adaptation processes.
収録刊行物
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- 生物物理
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生物物理 37 (4), 155-160, 1997
一般社団法人 日本生物物理学会
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詳細情報 詳細情報について
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- CRID
- 1390001206533442432
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- NII論文ID
- 110001151865
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- NII書誌ID
- AN00129693
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- ISSN
- 13474219
- 05824052
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- NDL書誌ID
- 4268237
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 使用不可