期刊
JOURNAL OF PLANT GROWTH REGULATION
卷 41, 期 3, 页码 1041-1064出版社
SPRINGER
DOI: 10.1007/s00344-021-10362-x
关键词
Phytohormone; Heat stress; Antioxidants; Regulatory gene
资金
- Indian Council of Agricultural Research (ICAR), New Delhi, India
- DBT
- DST
- MOA
- UWA (Perth)
- ICARDA
- World Vegetable Center
Phytohormones play a central role in regulating the heat stress response in plants, activating stress-responsive regulatory genes to help plants combat increasing temperature stress.
Heat stress (HS) seriously affects crop growth, causing significant crop yield losses worldwide. The regulatory mechanisms controlling HS tolerance in plants are not well understood. Phytohormones are important molecules for coordinating myriad of phenomena related to plant growth and development. They are also essential endogenous signaling molecules that actively mediate numerous physiological responses under abiotic stress by triggering stress-responsive regulatory genes involved in plant growth. This review updates the central role of various phytohormones-indole acetic acid, gibberellic acid, abscisic acid, cytokinins, ethylene, salicylic acid, brassinosteroids, strigolactone, and jasmonic acid-in regulating the HS response so that plants can adapt to increasing temperature stress. We also reveal how these stress-responsive phytohormones switch on various regulatory gene(s) and genes encoding antioxidants and heat shock proteins (HSPs) to combat HS in various plant species.
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