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首页> 外文期刊>Food microbiology >Early adaptation strategies of Saccharomyces cerevisiae and Torulaspora delbrueckii to co-inoculation in high sugar grape must-like media
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Early adaptation strategies of Saccharomyces cerevisiae and Torulaspora delbrueckii to co-inoculation in high sugar grape must-like media

机译：Saccharomyces Cerevisiae和Torulaspora delbrueckii的早期适应策略在高糖葡萄中的共同接种必需媒体

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摘要

Torulaspora delbrueckii and Saccharomyces cerevisiae are yeast species found concurrently in wine. In order to commence fermentation, they adapt to the initial harsh environment, maintaining cellular homeostasis and promoting metabolism. These actions involve an intricate regulation of stress tolerance, growth and metabolic genes. Their phenotypes are influenced by the fermentation environment and physiological state of the cell, but such gene-environment interactions are poorly understood. This study aimed to compare the cell physiology of the two species, through genome-wide analysis of gene expression, coupling Oxford Nanopore MinION and Illumina Hiseq sequencing platforms. The early transcriptional responses to stress, nutrients and cell-to-cell communication were analysed. Particular attention was given to the fundamental gene modulations, leading to an understanding of the physiological changes needed to maintain cellular homeostasis, exit the quiescent state and establish dominance in the fermentation. Our findings suggest the existence of species-specific adaptation strategies in response to growth in a high sugar synthetic grape juice medium.
机译：Torulaspora delbrueckii和Saccharomyces酿酒酵母是葡萄酒中同时发现的酵母种类。为了开始发酵，它们适应初始恶劣环境，维持细胞稳态和促进新陈代谢。这些动作涉及复合应力耐受性，生长和代谢基因的复杂调节。它们的表型受到细胞发酵环境和生理状态的影响，但这种基因环境相互作用较差。本研究旨在通过基因表达的基因组分析，偶联牛津纳米孔沟和Illumina Hiseq测序平台进行两种物种的细胞生理学。分析了对应激，营养素和细胞对细胞通信的早期转录反应。特别注意基本基因调制，导致了解维持细胞稳态所需的生理变化，从静止状态下出来并在发酵中建立优势。我们的研究结果表明，响应于高糖合成葡萄汁培养基的生长，存在特定的特异性适应策略。

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  • 来源
    《Food microbiology》 |2020年第9期|103463.1-103463.9|共9页
  • 作者

    Federico Tondini; Cristobal A. Onetto; Vladimir Jiranek;

  • 作者单位

    Department of Wine & Food Science University of Adelaide and Australian Research Council Training Centre for Innovative Wine Production Glen Osmond South Australia 5064 Australia;

    Department of Wine & Food Science University of Adelaide and Australian Research Council Training Centre for Innovative Wine Production Glen Osmond South Australia 5064 Australia The Australian Wine Research Institute Glen Osmond South Australia 5064 Australia;

    Department of Wine & Food Science University of Adelaide and Australian Research Council Training Centre for Innovative Wine Production Glen Osmond South Australia 5064 Australia;

  • 收录信息 美国《科学引文索引》(SCI);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Wine; Stress response; Transcriptome; Co-inoculation; Torulaspora delbrueckii;

    机译：葡萄酒;压力反应;转录组;共同接种;Torulaspora delbrueckii.;

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