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TabHLH86调节TaPEPC10的表达,并在小麦中调节耐受性

Chongyan Ran¹, Lei Gu¹, Bin Zhu¹

¹School of Life Sciences, Guizhou Normal University, Guiyang, 550000, Guizhou Province, China.

Plant physiology and biochemistry : PPB

|September 10, 2025

概括

小麦小麦小麦小麦的小麦.

科学领域:

植物科学植物科学
分子生物学分子生物学
环境毒理学环境毒理学

背景情况:

(Cd) 污染对作物生产和食品安全构成重大威胁.
酸氧化碳酶 (PEPC) 基因参与植物对环境压力的反应.
了解Cd压力下的小麦PEPC基因的作用对于开发耐受品种至关重要.

研究的目的:

研究Cd压力下的小麦PEPC基因的功能和调节机制.
确定参与小麦中耐受性的关键PEPC基因.
为了阐明调节TaPEPC10表达的分子途径.

主要方法:

生物信息分析以确定小麦中的PEPC基因.
在Cd压力下对TaPEPC10突变体进行表型分析和生理/生化测量.
转录组分析和基因表达研究.
在Arabidopsis thaliana中进行过度表达的研究.
对转录因子与TaPEPC10促进体结合的分析.

主要成果:

塔佩PC10突变体对Cd压力的敏感性增加,Cd积累和氧化损伤更高.
TaPEPC10突变影响了参与光合作用电子运输和植物激素信号传递的基因.
在Arabidopsis中过度表达TaPEPC10增强了Cd耐受性.
转录因子TabHLH86与TaPEPC10促进体结合并促进其表达.

结论:

TabHLH86-TaPEPC10通路是一种新型的调节小麦中耐受性的分子机制.
在减轻诱导的氧化应激和积累方面,TaPEPC10起着至关重要的作用.
准TabHLH86-TaPEPC10通路可能是改善小麦对耐受性的策略.

关键词:

在Cd压力压力.分子机制分子机制在 TaPEPC10 中使用.在 TabHLH86中使用.转录法规转录法规小麦小麦小麦小麦的小麦.

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