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TaWRKY55-TaPLATZ2模块在小麦中负面调节盐应激耐受性

Lin Wei¹, Xinman Ren¹, Lumin Qin^1,2

¹Key Laboratory of Plant Development and Environmental Adaptation Biology, Ministry of Education, School of Life Science, Shandong University, Qingdao, 266237, China.

Journal of integrative plant biology

|October 22, 2024

概括

小麦小麦小麦小麦的小麦.

科学领域:

植物生物学植物生物学
分子生物学分子生物学
遗传学遗传学是一个

背景情况:

性-性土壤严重限制了全球的作物生产率.
血H+-ATPases和过度敏感的盐 (SOS) 途径对于植物的压力耐受性至关重要.
在盐压力下调节这些基因的机制在很大程度上仍未被描述.

研究的目的:

阐明控制小麦对盐应激反应的监管网络.
确定涉及H⁺-ATPases和SOS通路基因表达的关键转录因子.

主要方法:

在盐压力下对小麦的基因表达分析.
小麦基因操纵 (敲击和过度表达) 的候选基因.
使用遗传方法分析基因调节相互作用.

主要成果:

TaPLATZ2转录因子直接抑制TaHA2/TaSOS3的表达,影响压力耐受性.
TaWRKY55可以提高TaPLATZ2的调节,从而负面调节应力耐受性.
在应激反应路径中,TaPLATZ2在TaWRKY55的下游作用.

结论:

已经确定了一种新的TaWRKY55-TaPLATZ2-TaHA2/TaSOS3调节模块,可以控制小麦的盐酸-性应激耐受性.
本模块为植物适应不良土壤条件的机制提供了关键的见解.

关键词:

PLATZ转录因子的转录因子是什么在Triticum aestivum中,它是最重要的.性压力压力是一种性压力.盐的压力是盐的压力.

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Responses to Salt Stress

Responses to Salt Stress

Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.

Responses to Heat and Cold Stress

Responses to Heat and Cold Stress

Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.

Responses to Drought and Flooding

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Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.

Adaptations that Reduce Water Loss

Adaptations that Reduce Water Loss

Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.

Tonicity in Plants

Tonicity in Plants

Tonicity describes the capacity of a cell to lose or gain water. It depends on the quantity of solute that does not penetrate the membrane. Tonicity delimits the magnitude and direction of osmosis and results in three possible scenarios that alter the volume of a cell: hypertonicity, hypotonicity, and isotonicity. Due to differences in structure and physiology, tonicity of plant cells is different from that of animal cells in some scenarios.