Role of jasmonic acid in plants: the molecular point of view

茉莉酸 生物 水杨酸 串扰 烟草 植物激素 拟南芥 植物对草食的防御 生物逆境 拟南芥 脱落酸 激发子 植物 非生物胁迫 非生物成分 生物化学 生态学 基因 突变体 物理 光学
作者
Mouna Ghorbel,Faïçal Brini,Anket Sharma,Marco Landi
出处
期刊:Plant Cell Reports [Springer Nature]
卷期号:40 (8): 1471-1494 被引量:188
标识
DOI:10.1007/s00299-021-02687-4
摘要

Recent updates in JA biosynthesis, signaling pathways and the crosstalk between JA and others phytohormones in relation with plant responses to different stresses. In plants, the roles of phytohormone jasmonic acid (JA), amino acid conjugate (e.g., JA-Ile) and their derivative emerged in last decades as crucial signaling compounds implicated in stress defense and development in plants. JA has raised a great interest, and the number of researches on JA has increased rapidly highlighting the importance of this phytohormone in plant life. First, JA was considered as a stress hormone implicated in plant response to biotic stress (pathogens and herbivores) which confers resistance to biotrophic and hemibiotrophic pathogens contrarily to salicylic acid (SA) which is implicated in plant response to necrotrophic pathogens. JA is also implicated in plant responses to abiotic stress (such as soil salinity, wounding and UV). Moreover, some researchers have recently revealed that JA controls several physiological processes like root growth, growth of reproductive organs and, finally, plant senescence. JA is also involved in the biosynthesis of various metabolites (e.g., phytoalexins and terpenoids). In plants, JA signaling pathways are well studied in few plants essentially Arabidopsis thaliana, Nicotiana benthamiana, and Oryza sativa L. confirming the crucial role of this hormone in plants. In this review, we highlight the last foundlings about JA biosynthesis, JA signaling pathways and its implication in plant maturation and response to environmental constraints.
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