通过功能性元基因组学对葡萄藤微生物组的调查
Paola Di Gianvito1, Vasileios Englezos2, Ilario Ferrocino1
1Department of Agricultural, Forest and Food Sciences, University of Turin, Largo Braccini 2, 10095 Grugliasco, Italy.
Food research international (Ottawa, Ont.)
|September 9, 2025
概括
葡萄酒微生物组,包括细菌和真菌,在根,叶子和葡萄中显示出明显的空间模式. 了解这些微生物群落是改善葡萄酒健康和可持续葡萄酒生产的关键.
科学领域:
- 微生物学 微生物学
- 植物科学 植物科学
- 生态生态学 生态生态学
背景情况:
- 葡萄酒相关的微生物显著影响植物健康,生长和葡萄酒质量.
- 这些微生物的功能能力对于葡萄种植的成功至关重要.
研究的目的:
- 为了研究葡萄酒的空间和时间动态cv. 巴贝拉葡萄藤的微生物组.
- 描述不同葡萄葡萄区内的细菌和真菌群落的功能作用.
主要方法:
- 枪支测序被用来分析细菌和真菌的种群和功能.
- 在传统葡萄园中,在整个生长季节从树根球,叶子和葡萄中采集样本.
- 使用LEfSe (微阵列和元基因组学线性模型) 分析来识别歧视性分类.
主要成果:
- 对细菌和真菌群体都观察到明显的区间特异性,确定了一个核心微生物群.
- 对LEfSe的分析显示,与植物区相关的歧视性种群,但不是采样时间.
- 参与碳水化合物和氨基酸代谢的基因最为丰富,这表明它们在碳和途径中起着关键作用. 在树叶圈和植物圈群体之间,以及细菌和真菌群体之间,发现了功能差异.
结论:
- 巴贝拉葡萄藤微生物群在不同的植物部位中表现出独特的生态和功能特征.
- 确定了营养获取,抗压力和植物相互作用的关键途径.
- 这种基础知识对于制定针对葡萄园保护和可持续葡萄酒生产的有针对性的战略至关重要.
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