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根的可塑性和适应性架构,以提高作物的盐分耐受性

Faheem Tariq¹, Linmao Zhao², Saddam Hussain³

¹CIMMYT-China Shandong Wheat and Maize Research Center, College of Agronomy, Shandong Agricultural University, Tai'an 27100, China; State Key Laboratory of Crop Biology, College of Agronomy, Shandong Agricultural University, Tai'an, Shandong 27100, China.

Biotechnology advances

|December 4, 2025

概括

植物通过根的可塑性适应盐土,包括基因调节,蛋白屏障和有益的微生物. 这项研究探讨了耐盐作物的根系架构 (RSA) 和微生物组工程.

科学领域:

植物生物学植物生物学
农业学是一种农业学.
遗传学是一个遗传学.

背景情况:

土壤盐化威胁全球粮食安全,影响超过10亿公的耕地.
植物根对于感知和通过结构和功能可塑性适应盐度压力至关重要.

研究的目的:

审查根部适应盐度压力的最新进展.
阐明植物盐度弹性的机制,重点关注根系结构 (RSA),林生物合成,荷尔蒙调节和微生物群相互作用.

主要方法:

文献综述整合了关于RSA动态,基因调节 (MYB,NAC,WRKY),激素信号 (ABA,奥素,乙烯),苏贝林生物合成和有益微生物相互作用的研究.
分析控制根部发育和壁垒形成的分子和遗传因素.
探索用于作物改进的多组学和基于CRISPR的工具.

主要成果:

关键的基因和调节网络,包括MYB,NAC和WRKY转录因子,在盐应激下协调根生长和苏贝林屏障形成.
苏贝林作为一种动态的,离子选择性屏障,受荷尔蒙交叉和脂质代谢的影响.
有益的微生物 (例如,阿佐斯皮里卢姆,细菌,AM真菌) 通过调节植物荷尔蒙,抗氧化系统和离子稳态来增强盐分耐受性.

结论:

根系可塑性是一种复杂的特性,由分子通路,荷尔蒙信号和根球生态学调节.
通过整合多omics,基因编辑和微生物组工程,可以实现工程盐弹性根意识形态.
提出了一个概念框架,用于开发下一代作物,在盐水环境中提高生产力.

关键词:

荷尔蒙的调节荷尔蒙的调节植物与微生物的相互作用根的可塑性根的可塑性盐度压力是一种盐度压力.苏贝林的生物合成

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