Jasmonic acid mediates Ca2+ dependent signal transduction and plant immunity

IF 4.2 2区生物学 Q2 BIOCHEMISTRY & MOLECULAR BIOLOGY Plant Science Pub Date : 2024-08-26 DOI:10.1016/j.plantsci.2024.112239

Muhammad Ahsan Farooq , Ahsan Ayyaz , Hui-Xi Zou , Weijun Zhou , Fakhir Hannan , Xiufeng Yan

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Abstract

Pathogen attacks can cause significant damage to plants, posing a threaten to global food production. Plants have developed exquisite methods to rapidly store a key defensive hormone jasmonate (JA), which stimulates their entire evolutionary adaptive response to pathogen attack. However, understanding how plants initiate JA biosynthesis in response to pathogen attacks has remained elusive. In this review, we discuss the newly discovered JAV1-JAZ8-WRKY51 (JJW) complex, which plays a crucial role in regulating JA production to deter insect attacks. The JJW complex inhibits JA production in plants, maintaining a low baseline level of JA that promotes optimal plant development. However, when plants are attacked by insects, a rapid influx of calcium stimulates the JAV1 calcium-dependent protein phosphate, leading to the breakdown of the JJW complex and the activation of JA production. This surge in JA levels, initiates plant defense mechanisms against the invading insects. These findings shed light on the intricate defense system that plants have evolved to combat diseases.

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茉莉酸介导 Ca2+ 依赖性信号转导和植物免疫力

病原体的侵袭会对植物造成重大损害，对全球粮食生产构成威胁。植物已开发出精湛的方法来快速储存一种关键的防御性激素茉莉酸盐（JA），这种激素能刺激植物对病原体侵袭的整个进化适应反应。然而，人们对植物如何启动 JA 生物合成以应对病原体侵袭的问题仍然一无所知。在这篇综述中，我们将讨论新发现的 JAV1-JAZ8-WRKY51 （JJW）复合体，它在调节 JA 生成以阻止昆虫攻击方面发挥着至关重要的作用。JJW 复合物抑制植物的 JA 生产，维持较低的 JA 基线水平，促进植物的最佳发育。然而，当植物受到昆虫攻击时，快速涌入的钙会刺激 JAV1 依赖钙的蛋白磷酸，导致 JJW 复合物分解并激活 JA 的产生。JA 水平的激增启动了植物抵御昆虫入侵的防御机制。这些发现揭示了植物为对抗疾病而进化出的复杂防御系统。

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来源期刊

Plant Science 生物-生化与分子生物学

CiteScore

9.10

自引率

1.90%

发文量

322

审稿时长

33 days

期刊介绍： Plant Science will publish in the minimum of time, research manuscripts as well as commissioned reviews and commentaries recommended by its referees in all areas of experimental plant biology with emphasis in the broad areas of genomics, proteomics, biochemistry (including enzymology), physiology, cell biology, development, genetics, functional plant breeding, systems biology and the interaction of plants with the environment. Manuscripts for full consideration should be written concisely and essentially as a final report. The main criterion for publication is that the manuscript must contain original and significant insights that lead to a better understanding of fundamental plant biology. Papers centering on plant cell culture should be of interest to a wide audience and methods employed result in a substantial improvement over existing established techniques and approaches. Methods papers are welcome only when the technique(s) described is novel or provides a major advancement of established protocols.

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