多omics框架揭示了葡萄酵母群体发酵性能的分子决定因素
Miguel de Celis1,2, Javier Ruiz3, Belen Benitez-Dominguez3,4
1Department of Genetics, Physiology and Microbiology, Faculty of Biology, Microbiology Unit, Complutense University of Madrid, C/ José Antonio Novais 12, Madrid, 28040, Spain. migueldc@ucm.es.
Microbiome
|October 15, 2024
概括
了解葡萄酒发酵中的酵母群落揭示了物种组成如何决定葡萄酒的风味和质量. 这项研究将酵母多样性与代谢物生产联系起来,用于量身定制的酒.
科学领域:
- 微生物生物技术 微生物生物技术
- 葡萄酒学 葡萄酒学 葡萄酒学
- 酵母生态学的酵母生态学
背景情况:
- 连接工业微生物组的组成和功能是生物技术的关键.
- 葡萄酒发酵作为研究酵母多样性及其对葡萄酒质量影响的模型系统.
研究的目的:
- 调查酵母社区组成和葡萄酒代谢物生产之间的关系.
- 了解环境和农业因素如何塑造葡萄末的酵母群体.
- 为了确定主导酵母菌种对发酵性能和葡萄酒特性的影响.
主要方法:
- 调查了来自各种葡萄酒名称的葡萄末中的酵母社区.
- 在受控的酒条件下,在合成葡萄汁中测试发酵酵母菌群.
- 分析了葡萄酒的元转录组,并确定了对代谢物产生负责的ortologs.
主要成果:
- 环境和农业因素在很大程度上影响了酵母社区的组成.
- 主导的酵母种,由最初的社区结构决定,决定发酵性能和代谢物概况.
- 酵母主导性对葡萄酒的转录基因组的影响比发酵条件更大.
- 鉴定了酵母特异性的转录基因特征和与物种占主导地位和葡萄酒风味相关的ortolog模块.
结论:
- 这项研究将酵母社区的组成与葡萄酒代谢物生产联系起来.
- 提供了利用各种酵母功能的见解,以生产高质量,量身定制的葡萄酒.
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