The Angiosperm Gibberellin-GID1-DELLA Growth Regulatory Mechanism: How an "Inhibitor of an Inhibitor" Enables Flexible Response to Fluctuating Environments

被引：280

作者：

Harberd, Nicholas P. ^{[1
]}

Belfield, Eric ^{[1
]}

Yasumura, Yuki ^{[1
]}

机构：

[1] Univ Oxford, Dept Plant Sci, Oxford OX1 3RB, England

来源：

PLANT CELL | 2009年 / 21卷 / 05期

基金：

英国生物技术与生命科学研究理事会;

关键词：

DELLA PROTEIN FUNCTION; E3 UBIQUITIN LIGASE; ARABIDOPSIS-THALIANA; SIGNALING PATHWAY; PLANT-GROWTH; ROOT-GROWTH; INDUCED DEGRADATION; FUNCTIONAL-ANALYSIS; NEGATIVE REGULATOR; FLORAL DEVELOPMENT;

D O I：

10.1105/tpc.109.066969

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：

The phytohormone gibberellin (GA) has long been known to regulate the growth, development, and life cycle progression of flowering plants. However, the molecular GA-GID1-DELLA mechanism that enables plants to respond to GA has only recently been discovered. In addition, studies published in the last few years have highlighted previously unsuspected roles for the GA-GID1-DELLA mechanism in regulating growth response to environmental variables. Here, we review these advances within a general plant biology context and speculate on the answers to some remaining questions. We also discuss the hypothesis that the GA-GID1-DELLA mechanism enables flowering plants to maintain transient growth arrest, giving them the flexibility to survive periods of adversity.

引用

页码：1328 / 1339

页数：12

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