茉莉酸
生物
茉莉酸
非生物成分
茉莉酸甲酯
营养物
非生物胁迫
生物逆境
脱落酸
串扰
水杨酸
生态学
拟南芥
生物化学
突变体
物理
光学
基因
作者
Deep Shikha,Pooja Jakhar,Santosh B. Satbhai
摘要
Phytohormones regulate plant growth and development by integrating various internal developmental cues with external environmental conditions. Jasmonic acid (JA) is an oxylipin-derived phytohormone that modulates the plasticity of plant responses against fluctuating environmental cues. An increasing number of studies have shown that it regulates a wide spectrum of plant physiological and biochemical processes, including reproductive development, primary root growth, root hair development, seed germination, senescence, regeneration, defense against biotic stress such as pathogen infection and herbivory, and mitigation of a number of abiotic stresses such as salinity, drought, high and low temperatures, wounding, excessive UV exposure, limited water availability, and metal(oid)-induced toxicity. Nutrient deficiency is an abiotic stress that adversely affects plant growth, development, and productivity, and JA also plays an important role in regulation of these processes under such conditions. In this review, we summarize recent advances relating to the role of JA and its methyl ester derivative (methyl jasmonate) in modulating responses to nutrient deficiency, to the impact of nutrient status on JA biosynthesis and signaling, and to the crosstalk of JA with other phytohormones in shaping plant growth and development under deficiencies of various mineral elements.
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