Melatonin-mediated temperature stress tolerance in plants

文献类型： 外文期刊

第一作者： Raza, Ali

作者： Raza, Ali;Charagh, Sidra;Garcia-Caparros, Pedro;Rahman, Md Atikur;Ogwugwa, Vincent H.;Saeed, Faisal;Jin, Wanmei

作者机构：

关键词： Biostimulants; climate change; cold stress; crosstalk; food security; freezing temperature; genetic engineering

期刊名称：GM CROPS & FOOD-BIOTECHNOLOGY IN AGRICULTURE AND THE FOOD CHAIN （ 影响因子：3.118； 五年影响因子：4.1 ）

ISSN： 2164-5698

年卷期： 2022 年 13 卷 1 期

页码：

收录情况： SCI

摘要： Global climate changes cause extreme temperatures and a significant reduction in crop production, leading to food insecurity worldwide. Temperature extremes (including both heat and cold stresses) is one of the most limiting factors in plant growth and development and severely affect plant physiology, biochemical, and molecular processes. Biostimulants like melatonin (MET) have a multifunctional role that acts as a "defense molecule" to safeguard plants against the noxious effects of temperature stress. MET treatment improves plant growth and temperature tolerance by improving several defense mechanisms. Current research also suggests that MET interacts with other molecules, like phytohormones and gaseous molecules, which greatly supports plant adaptation to temperature stress. Genetic engineering via overexpression or CRISPR/Cas system of MET biosynthetic genes uplifts the MET levels in transgenic plants and enhances temperature stress tolerance. This review highlights the critical role of MET in plant production and tolerance against temperature stress. We have documented how MET interacts with other molecules to alleviate temperature stress. MET-mediated molecular breeding would be great potential in helping the adverse effects of temperature stress by creating transgenic plants.

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