Releasing the brakes of plant growth: how GAs shutdown DELLA proteins

被引：267

作者：

Achard, P. ^{[1
]}

Genschik, P. ^{[1
]}

机构：

[1] Convent Avec Univ Louis Pasteur, CNRS, Inst Biol Mol Plantes, Unite Propre Rech 2357, F-67084 Strasbourg, France

来源：

JOURNAL OF EXPERIMENTAL BOTANY | 2009年 / 60卷 / 04期

关键词：

Arabidopsis; DELLA; ROS; gibberellins; ubiquitin; F-BOX SUBUNIT; SIGNAL-TRANSDUCTION; SEED-GERMINATION; ARABIDOPSIS-THALIANA; FLORAL DEVELOPMENT; GIBBERELLIN BIOSYNTHESIS; FUNCTIONAL-ANALYSIS; RESIDUES IMPORTANT; GENETIC-ANALYSIS; ENCODES;

D O I：

10.1093/jxb/ern301

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Bioactive gibberellins (GAs) are tetracyclic diterpenoid plant hormones that promote important processes of plant growth and development, such as seed germination, growth through elongation, and floral transition. Thus, mutant plants that are affected in GA biosynthesis or signalling exhibit altered seed germination and, at the adult stage, are dwarf and dark green and also show delayed flowering. The components of the GA metabolism and signalling pathways are reviewed here and recent findings regarding the regulation and possible mode of action of DELLA proteins are discussed.

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页码：1085 / 1092

页数：8

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