潜在的致病性分子机制 基索在Cochliobolus heterostrophus中的抑制
Huilin Yu1, Longhao Su1, Wantong Jia1
1College of Plant Science, Jilin University, Changchun 130062, China.
Journal of agricultural and food chemistry
|February 16, 2024
概括
奇托通过破坏其生长和发育,有效地抑制真菌病原体*C. heterostrophus*. 这种天然生物材料还可以增强玉米的植物防御能力,为农作物保护提供了一个有前途的战略.
科学领域:
- 植物病理学 植物病理学
- 生物材料科学 生物材料科学
- 菌类学 菌类学是指菌类学.
背景情况:
- 奇托是一种天然生物材料,以抗真菌特性和增强植物免疫力而闻名.
- 基托桑抑制真菌病原体并触发植物防御的确切机制尚不清楚.
研究的目的:
- 为了阐明桑对*C. heterostrophus*的抗真菌机制.
- 为了研究基托桑应用如何诱导玉米中的植物防御反应.
- 探索特定的真菌通路在素敏感性中的作用.
主要方法:
- 杀菌试验和显微镜观察C. heterostrophus暴露于桑的情况.
- 对玉米中反应性氧物种生产的分析.
- 使用*C.异构体*突变体 (Δmkk1, Δmps1) 的基因分析.
- 用奇托桑处理的玉米的代谢分析.
主要成果:
- 奇托对*C. heterostrophus*表现出杀菌活性,抑制了菌的发芽和压缩体的形成.
- 桑治疗增加了玉米中反应性氧物种的产生,有助于防御.
- 真菌细胞壁完整性通路的Mkk1和Mps1组件对于素对*C. heterostrophus*的毒性至关重要.
- 代谢分析显示,在玉米中治疗后,几种抗真菌化合物的上调调节.
结论:
- 松对*C. heterostrophus*具有直接的杀菌作用,并激活了玉米的先天免疫反应.
- 真菌细胞壁完整性通路是基托桑抗真菌作用的关键目标.
- 酸代表了一种可行的,天然的解决方案,用于控制农业中的真菌病并保护作物.
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