Plant hormone signaling lightens up: integrators of light and hormones

被引：366

作者：

Lau, On Sun ^{[1
]}

Deng, Xing Wang ^{[1
]}

机构：

[1] Yale Univ, Dept Mol Cellular & Dev Biol, New Haven, CT 06520 USA

来源：

CURRENT OPINION IN PLANT BIOLOGY | 2010年 / 13卷 / 05期

基金：

美国国家科学基金会; 美国国家卫生研究院;

关键词：

SEED-GERMINATION; DE-ETIOLATION; ARABIDOPSIS-THALIANA; NEGATIVE REGULATOR; BZIP PROTEIN; HY5; GIBBERELLIN; DEGRADATION; PIL5; PHOTOMORPHOGENESIS;

D O I：

10.1016/j.pbi.2010.07.001

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Light is an important environmental signal that regulates diverse growth and developmental processes in plants. In these light-regulated processes, multiple hormonal pathways are often modulated by light to mediate the developmental changes. Conversely, hormone levels in plants also serve as endogenous cues in influencing light responsiveness. Although interactions between light and hormone signaling pathways have long been observed, recent studies have advanced our understanding by identifying signaling integrators that connect the pathways. These integrators, namely PHYTOCHROME-INTERACTING FACTOR 3 (PIF3), PIF4, PIF3-LIKE 5 (PIL5)/PIF1 and LONG HYPOCOTYL 5 (HY5), are key light signaling components and they link light signals to the signaling of phytohormones, such as gibberellin (GA), abscisic acid (ABA), auxin and cytokinin, in regulating seedling photomorphogenesis and seed germination. This review focuses on these integrators in illustrating how light and hormone interact.

引用

页码：571 / 577

页数：7

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