黄蜂 (Hordeum vulgare) 对有益细菌的反应有所区别
Yongming Duan1, Min Han1, Maja Grimm1
1Julius Kühn Institute (JKI), Federal Research Centre for Cultivated Plants, Institute for Epidemiology and Pathogen Diagnostics, Messeweg 11/12, 38104, Braunschweig, Germany.
BMC plant biology
|October 3, 2023
概括
有益细菌在大麦中触发诱导系统性耐药性 (ISR),影响基因表达和种子微生物. 然而,这种增强的植物防御能力并没有传给下一代.
科学领域:
- 植物病理学 植物病理学
- 微生物学 微生物学
- 基因组学就是基因组学.
背景情况:
- 有益的细菌可以诱导植物的系统性耐药性 (ISR),保护它们免受病原体的影响,减少作物损失.
- 植物对不同有益细菌的初始反应尚不清楚.
- 研究大麦与各种细菌的相互作用对于理解ISR机制至关重要.
研究的目的:
- 探索不同有益细菌对大麦 (Hordeum vulgare) 的影响.
- 分析细菌殖民模式,基因表达变化和种子内植物成分.
- 了解宿主植物对有益微生物的反应,以实现可持续农业.
主要方法:
- 大麦被接种了Ensifer meliloti,Pantoea sp.和Pseudomonas sp.的疫苗.
- 在树叶球中观察到细菌殖民模式.
- 用转录组分析分析了基因表达的分析.
- 检查了种子的内植物成分.
主要成果:
- 这三种细菌都以不同的殖民模式在根系中存在.
- 在所有接种疫苗的植物中观察到对真菌病原体的诱导系统性耐药性 (ISR).
- 调节了离子和与压力相关的基因,包括铁平衡和热冲击蛋白.
- 细菌注射改变了种子内细胞的组成.
- 增强的耐药性不是下一代可以遗传的.
结论:
- 麦子对不同的有益细菌表现出不同的反应.
- 恩西弗梅利洛蒂 (Ensifer meliloti) 影响大麦种子微生物组.
- 了解这些相互作用对于在可持续农业中应用生物制剂至关重要.
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