在水环境应激适应中的原料和记忆的作用:当前的知识和观点
Showkat Ahmad Ganie1, Nancy McMulkin1, Alessandra Devoto1
1Department of Biological Sciences, Plant Molecular Science and Centre of Systems and Synthetic Biology, Royal Holloway University of London, Egham, Surrey, UK.
Plant, cell & environment
|February 15, 2024
概括
植物可以记住过去的压力,这种现象被称为压力启动,以提高生存能力. 了解大米中的这种压力记忆对于抗气候农业和全球粮食安全至关重要.
科学领域:
- 植物科学 植物科学
- 农业 农业 农业 农业
- 遗传学 遗传学 是一个
背景情况:
- 植物对非生物性压力,如温度和水的变化,表现出动态的反应.
- 压力记忆使植物能够"记住"先前的压力事件,以加强未来的反应.
- 压力启动对于植物的生存至关重要,并对农业产生重大影响.
研究的目的:
- 审查化对大米非生物应激耐受性的影响.
- 探索压力记忆的机制,其延续,和调节在米.
- 确定植物压力记忆中的开放问题和未来研究方向.
主要方法:
- 文献综述侧重于植物应激记忆和初始化.
- 对压力记忆的表观遗传,转录,代谢和生理调节的分析.
- 对大米中应激反应网络的检查.
主要成果:
- 压力记忆的证据在植物物种中越来越多,但在米等作物中的机制尚未完全理解.
- 化增强了植物对非生物性压力因素的弹性,提高了生存率.
- 压力记忆在多个调节层面上运作,包括表观遗传和转录变化.
结论:
- 了解压力记忆和大米初始化对于可持续农业和粮食安全至关重要.
- 需要进一步研究大米中压力记忆的分子机制.
- 这一审查为未来关于提高作物对气候变化的适应性研究提供了基础.
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