氨酸2-氧化基基化和基化路径在叶绿体内起作用,调节植物光合作用和免疫力
Bin Chen1, Zhicheng Wang1, Mengjia Jiao1
1State Key Laboratory of North China Crop Improvement and Regulation, North China Key Laboratory for Germplasm Resources of Education Ministry, Hebei Agricultural University, Baoding, 071001, China.
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|July 26, 2023
概括
这项研究揭示了棉花 хлоропласт的表观遗传修饰如何增强抗病能力和作物产量. 它确定了参与平衡植物生长和应激防御的关键蛋白质和途径.
科学领域:
- 植物分子生物学 植物分子生物学
- 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.
- 农作物科学 农作物科学
背景情况:
- 农作物在压力下平衡生长和防御,需要了解分子机制.
- 叶绿体免疫对于植物的抗性和生长至关重要,但其表观遗传调节尚不清楚.
研究的目的:
- 为了研究棉花中 хлоропласт免疫的表观遗传调节.
- 识别新型蛋白质修饰及其在作物应激反应和产量中的作用.
主要方法:
- 在棉花质体中识别和描述 lysine 2-hydroxyisobutyrylation (Khib) 和 succinylation (Ksuc).
- 分析蛋白质修饰与Verticillium dahliae耐药性的关联.
- 研究 GhHDA15 和 GhSRT1 在调节 Khib 和 Ksuc. 的作用.
- 检查GhPSB27在光合作用和应激反应中的功能.
主要成果:
- 棉花 хлоропласт蛋白质被Khib和Ksuc广泛修改.
- 这些修改与对Verticillium dahliae的耐药性有关,调节PR和酸 (SA) 途径.
- GhHDA15和GhSRT1通过去除Khib和Ksuc来负面调节抗性.
- 乙基化GhPSB27增强光合作用,生物质,种子产量和抗病能力.
结论:
- 叶绿体蛋白质的表观遗传调节平衡了高抗病能力和作物的高产量.
- 这提供了一种通过增强光合作用和耐压力改善作物的新策略.
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