CONTROL OF PHOTORECEPTOR PROTEINS BY CA2+

被引：16

作者：

KOCH, KW

机构：

[1] Institut für Biologische Informationsverarbeitung, Forschungszentrum Jülich, Jülich

来源：

CELL CALCIUM | 1995年 / 18卷 / 04期

关键词：

D O I：

10.1016/0143-4160(95)90027-6

中图分类号：

Q2 [细胞生物学];

学科分类号：

071009 ; 090102 ;

摘要：

A decrease of cytoplasmic Ca2+-concentration in vertebrate photoreceptor cells after illumination is necessary for light adaptation. Although the mechanisms of adaptation is not completely understood, several Ca2+-dependent cellular processes have been discovered, Some involve calcium-binding proteins like recoverin, guanylyl cyclase-activating protein and calmodulin, and their target proteins rhodopsin kinase, guanylyl cyclase, the cGMP-gated channel, and NO synthase, The activity of several enzymes or channels Is directly controlled by Ca2+ and does not involve calcium-binding proteins, These proteins are pyrophosphatase, protein kinase C and the cGMP-gated channel.

引用

收藏

页码：314 / 321

页数：8

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