菌群生物在土壤中的作用和在穆斯卡特葡萄发酵期间的作用,由多原子分析揭示
Paola Di Gianvito1, Vania Sáez2, Maria Dimopoulou3
1Department of Agricultural, Forest and Food Sciences, University of Turin, Largo Paolo Braccini 2, 10095 Grugliasco, Italy.
Food research international (Ottawa, Ont.)
|March 7, 2026
概括
这项研究揭示了意大利和希腊穆斯卡特葡萄酒中独特的真菌微生物组和代谢概况. 这些差异凸显了土壤如何塑造葡萄酒的特点,有助于质量控制和真实性验证.
科学领域:
- 葡萄酒学 葡萄酒学
- 微生物学 微生物学
- 代谢学 代谢学 代谢学
背景情况:
- 葡萄酒微生物组对葡萄酒的新陈代谢概况和地形产生了重大影响.
- 了解微生物特征和代谢产出之间的联系对于葡萄酒科学至关重要.
研究的目的:
- 为了研究葡萄酒代谢组,并将微生物组的组成和功能联系起来.
- 探索葡萄酒发酵的地理差异,使用来自意大利和希腊的穆斯卡特葡萄.
主要方法:
- 集成的猎枪元基因组学和非目标代谢学.
- 分析真菌群落和代谢概况.
- 贝塔多样性和LEfSe (微阵列和元基因组数据的线性模型) 分析.
主要成果:
- 在意大利和希腊的样本中确定了不同的真菌地带.
- 特定酵母物种 (Torulaspora delbrueckii,Kluyveromyces marxianus,K. lactis) 的丰富程度在地理上有所不同.
- 在核酸,脂肪酸,氨酸,能量,碳水化合物和氨基酸代谢中观察到地理差异.
结论:
- 多种奥米克的方法有效地确定了产品特定的真菌群落和葡萄酒代谢物签名.
- 土壤在葡萄酒发酵过程中显著塑造微生物活动和代谢轨迹.
- 这些发现提供了确保葡萄酒真实性和质量控制的工具.
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