14-3-3 protein regulation of proton pumps and ion channels

被引：57

作者：

Bunney, TD ^{[1
]}

van den Wijngaard, PWJ ^{[1
]}

de Boer, AH ^{[1
]}

机构：

[1] Vrije Univ Amsterdam, Fac Earth & Life Sci, Dept Dev Genet, NL-1081 HV Amsterdam, Netherlands

来源：

PLANT MOLECULAR BIOLOGY | 2002年 / 50卷 / 06期

关键词：

14-3-3; protein; blue light; fusicoccin; H+-ATPase; ion channel; phosphorylation; protein kinase; protein phosphatase;

D O I：

10.1023/A:1021231805697

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

In addition to their regulation of cytoplasmic enzymes, the 14-3-3 proteins are important regulators of membrane localised proteins. In particular, many of the cells' ion pumps and channels are either directly or indirectly modulated by 14-3-3 proteins. Binding of 14-3-3 can lead to the activation of pump activity as in the case of the plasma membrane H+-ATPase or inhibition as in the case of the F-type ATP synthase complexes. 14-3-3 binding can also lead to surprising results such as the recruitment of 'sleepy' outward rectifiying K+ channels in tomato cells. Our present knowledge extends to an initial understanding of isoform-specific binding of 14-3-3 to certain membrane proteins and a perception of the protein kinases and phosphatases that maintain the regulatory process in a state of flux.

引用

页码：1041 / 1051

页数：11

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