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揭开大米对细菌病害的防御:分子通路,耐药基因和育种前景

Zukhruf Tauqeer¹, Arfa Tauqeer², Saima Parveen Memon³

¹College of Plant Protection, Yangzhou University, Yangzhou, Jiangsu, 225009, China.

Microbial pathogenesis

|October 23, 2025

概括

细菌瘟疫严重影响了大米产量,威胁到粮食安全. 本综述详细介绍了44个抗药性基因和分子机制,为在大米中发展持久性抗病能力提供了洞察力.

科学领域:

植物病理学植物病理学
分子遗传学分子遗传学
农作物科学农作物科学

背景情况:

细菌病,是由Xanthomonas oryzae pv.v.引起的 (Xoo) 是对大米 (Oryza sativa L.) 生产的重大威胁,特别是在亚洲.
的快速传播和高突变率导致了大量的收获损失 (40-50%),需要有效的疾病管理策略.
耐药大米品种是控制细菌瘟疫的最有效方法.

研究的目的:

审查大米免疫力对Xoo的分子机制.
为了分类和分析44种细菌疹耐药性 (R) 基因,包括它们的结构,分类和免疫信号传递中的作用.
为了突出R基因识别,表征和育种应用的进展,以获得持久的耐药性.

主要方法:

关于大米对Xoo.免疫的分子机制的文献综述.
44个已报告的细菌炎症抗性 (R) 基因的分类和分析.
对R基因鉴定,功能表征和育种的当前研究进行综合.

主要成果:

总结两个主要的防御层:模式触发免疫 (PTI) 和效应触发免疫 (ETI).
详细分析了44种细菌抗病 (R) 基因,它们的结构,分类和调控作用.
概述了在米育种中识别,表征和利用R基因方面的进展情况.

结论:

发展持久的耐药性需要对大米-徐的相互作用和综合免疫反应有全面的了解.
对R基因和分子防御机制的持续研究对于可持续的水生产至关重要.
本综述为研究人员和育种者提供了有效打击大米细菌病的见解.

关键词:

这是一种细菌性炎症.疾病耐药性基因的疾病耐药性基因免疫机制免疫机制大米大米大米大米大米

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