首页|Unraveling salt stress signaling in plants

Unraveling salt stress signaling in plants

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Salt stress is a major environmental factor limiting plant growth and productivity.A better understanding of the mechanisms mediating salt resistance will help researchers design ways to improve crop performance under adverse environmental conditions.Salt stress can lead to ionic stress,osmotic stress and secondary stresses,particularly oxidative stress,in plants.Therefore,to adapt to salt stress,plants rely on signals and pathways that re-establish cellular ionic,osmotic,and reactive oxygen species (ROS) homeostasis.Over the past two decades,genetic and biochemical analyses have revealed several core stress signaling pathways that participate in salt resistance.The Salt Overly Sensitive signaling pathway plays a key role in maintaining ionic homeostasis,via extruding sodium ions into the apoplast.Mitogenactivated protein kinase cascades mediate ionic,osmotic,and ROS homeostasis.SnRK2 (sucrose nonfermenting 1-related protein kinase 2) proteins are involved in maintaining osmotic homeostasis.In this review,we discuss recent progress in identifying the components and pathways involved in the plant's response to salt stress and their regulatory mechanisms.We also review progress in identifying sensors involved in salt-induced stress signaling in plants.

Yongqing Yang、Yan Guo

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State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing 100193, China

This work was supported by the National Genetically Modified Organisms Breeding Major ProjectsNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Basic Research Program of China

2016ZX080090023143001231670260U17062012015CB910202

2018

植物学报(英文版)
中国植物学会

植物学报(英文版)

CSTPCDCSCDSCI
影响因子：0.921
ISSN：1672-9072
年,卷(期)：2018.60(9)
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