Plant proton pumps

被引：391

作者：

Gaxiola, Roberto A.

Palmgren, Michael G.

Schumacher, Karin

机构：

[1] Univ Connecticut, Storrs, CT 06269 USA

[2] Univ Copenhagen, Dept Plant Biol, DK-1871 Frederiksberg C, Denmark

[3] Univ Tubingen, ZMBP Plant Physiol, D-72076 Tubingen, Germany

来源：

FEBS LETTERS | 2007年 / 581卷 / 12期

关键词：

H+-ATPase; plasma membrane; vacuolar; H+-PPases; proton pumps;

D O I：

10.1016/j.febslet.2007.03.050

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：

Chemiosmotic circuits of plant cells are driven by proton (W) gradients that mediate secondary active transport of compounds across plasma and endosomal membranes. Furthermore, regulation of endosomal acidification is critical for endocytic and secretory pathways. For plants to react to their constantly changing environments and at the same time maintain optimal metabolic conditions, the expression, activity and interplay of the pumps generating these H+ gradients have to be tightly regulated. In this review, we will highlight results on the regulation, localization and physiological roles of these H+ pumps, namely the plasma membrane H+-ATPase, the vacuolar H+-ATPase and the vacuolar H+-PPase. (c) 2007 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.

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页码：2204 / 2214

页数：11

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