从根球到叶子区分的葡萄藤微生物组的概况,使用多原子分析破译
Bo Wang1, Zhuangwei Wang1, Zhenxiao Chen1
1Institute of Pomology, Jiangsu Academy of Agricultural Sciences/Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Nanjing, China.
Frontiers in plant science
|February 11, 2026
概括
葡萄藤植物的健康依赖于根和叶微生物. 微生物群落因植物部分和品种而异,有些微生物与植物基因和代谢物有关.
科学领域:
- 微生物学 微生物学
- 植物科学 植物科学
- 基因组学就是基因组学.
背景情况:
- 与植物相关的微生物群落对于植物健康和生产力至关重要.
- 了解影响这些微生物群的因素对于优化作物产量和质量至关重要.
研究的目的:
- 为了研究不同葡萄树的细菌和真菌群体 (根,树,树球,叶子内层).
- 为了比较两个葡萄品种 ("Alachua"和"Noble") 的微生物结构.
- 探索微生物群落,葡萄酒代谢物和宿主基因之间的相关性.
主要方法:
- 16S rRNA和ITS测序用于细菌和真菌社区分析.
- 分析不同植物区间的微生物α多样性.
- 规范化随机比率分析以确定微生物组装过程.
- 对微生物-代谢物和微生物-基因相互作用的相关性分析和加权基因共同表达网络分析 (WGCNA).
主要成果:
- 葡萄品种和植物区分是微生物社区结构的主要驱动因素.
- 细菌多样性从树根层减少到叶子内层;真菌多样性没有呈现线性趋势.
- 微生物的组装主要是由叶子内层的决定性过程和树根层/树层的随机过程主导的.
- 细菌 (随机) 和真菌 (决定性) 社区在根中的组装过程不同.
- 在所有部门中确定了20个共享的核心操作分类单位 (OTU).
- 核心微生物与叶子stilbene化合物和枢纽基因有显著的相关性.
结论:
- 葡萄藤微生物群的组成受到品种和植物区的影响,具有不同的组装过程.
- 葡萄树中共享的核心微生物与植物代谢物和基因有关.
- 这些发现提供了有关葡萄藤相关微生物的监管作用及其改善作物潜力的见解.
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