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首页> 美国卫生研究院文献>International Journal of Molecular Sciences >The Brassinosteroid Signaling Pathway—New Key Players and Interconnections with Other Signaling Networks Crucial for Plant Development and Stress Tolerance
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The Brassinosteroid Signaling Pathway—New Key Players and Interconnections with Other Signaling Networks Crucial for Plant Development and Stress Tolerance

机译：油菜素类固醇信号通路—新的关键参与者以及与其他信号网络的互连对植物的生长和胁迫耐受性至关重要

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摘要

Brassinosteroids (BRs) are a class of steroid hormones regulating a wide range of physiological processes during the plant life cycle from seed development to the modulation of flowering and senescence. The last decades, and recent years in particular, have witnessed a significant advance in the elucidation of the molecular mechanisms of BR signaling from perception by the transmembrane receptor complex to the regulation of transcription factors influencing expression of the target genes. Application of the new approaches shed light on the molecular functions of the key players regulating the BR signaling cascade and allowed identification of new factors. Recent studies clearly indicated that some of the components of BR signaling pathway act as multifunctional proteins involved in other signaling networks regulating diverse physiological processes, such as photomorphogenesis, cell death control, stomatal development, flowering, plant immunity to pathogens and metabolic responses to stress conditions, including salinity. Regulation of some of these processes is mediated through a crosstalk between BR signalosome and the signaling cascades of other hormones, including auxin, abscisic acid, ethylene and salicylic acid. Unravelling the complicated mechanisms of BR signaling and its interconnections with other molecular networks may be of great importance for future practical applications in agriculture.
机译：油菜素类固醇（BRs）是一类类固醇激素，可调节植物生命周期（从种子发育到开花和衰老调节）的各种生理过程。过去几十年，尤其是最近几年，在阐明BR信号传导的分子机制方面取得了重大进展，从跨膜受体复合物的感知到影响靶基因表达的转录因子的调控，BR信号传导的分子机制均得到了阐明。新方法的应用揭示了调节BR信号级联反应的关键参与者的分子功能，并允许鉴定新因素。最近的研究清楚地表明，BR信号通路的某些成分可作为多功能蛋白质，参与调节各种生理过程的其他信号网络，例如光形态发生，细胞死亡控制，气孔发育，开花，植物对病原体的免疫力以及对胁迫条件的代谢反应，包括盐度。这些过程中的一些过程的调节是通过BR信号体与其他激素（包括生长素，脱落酸，乙烯和水杨酸）的信号级联反应之间的串扰来介导的。阐明BR信号传导及其与其他分子网络的相互联系的复杂机制，对于未来在农业中的实际应用可能非常重要。

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