Modulating the expression of aquaporin genes in planta: A key to understand their physiological functions?

被引：116

作者：

Hachez, Charles ^{[1
]}

Zelazny, Enric ^{[1
]}

Chaumont, Francois ^{[1
]}

机构：

[1] Catholic Univ Louvain, Inst Sci Vie, Unite Biochim Physiol, B-1348 Louvain, Belgium

来源：

BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES | 2006年 / 1758卷 / 08期

关键词：

aquaporin; water relation; membrane permeability; hydraulic conductivity;

D O I：

10.1016/j.bbamem.2006.02.017

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：

Aquaporins (AQPs) are believed to act as "cellular plumbers", allowing plants to rapidly alter their membrane water permeability in response to environmental cues. This study of AQP regulation at both the RNA and protein levels has revealed a large number of possible mechanisms. Currently, modulation of AQP expression in planta is considered the strategy of choice for elucidating the role of AQPs in plant physiology. This review highlights the fact that this strategy is complicated by many factors, such as the incomplete characterization of transport selectivity of the targeted AQP, the fact that AQPs might act as multifunctional channels with multiple physiological roles, and the number of post-translational regulation mechanisms. The classification of AQPs as constitutive or stress-responsive isoforms is also proposed. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：1142 / 1156

页数：15

共 109 条

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