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1. 发明申请

US20210017613A1 METHOD FOR OBTAINING LOW ETHANOL-PRODUCING YEAST STRAINS, YEAST STRAINS OBTAINED THEREFROM AND THEIR USE 有权
公开(公告)号：US20210017613A1
公开(公告)日：2021-01-21
申请号：US17061074
申请日：2020-10-01
申请人： Danstar Ferment AG , INSTITUT NATIONAL DE RECHERCHE POUR L'AGRICULTURE, L'ALIMENTATION ET L'ENVIRONNEMENT (INRAE)
发明人： Valentin Tilloy , Anne Ortiz-Julien , Jessica Noble , Sylvie Dequin
IPC分类号： C12R1/865 , C12G1/022 , C12N1/16 , C12P7/06 , C12P7/20 , C12N1/36
摘要： The present disclosure concerns a process for obtaining a variant yeast strain capable of producing less ethanol in an alcoholic fermentation process than its corresponding ancestral strain. The variant yeast strain is obtained by culturing the ancestral strain in the presence of increasing concentrations of a salt capable of causing an hyperosmotic stress to the ancestral yeast strain. The present disclosure also concerns variant yeast strain obtained from this process (for example the variant yeast strain deposited at Institut Pasteur, on Jan. 9, 2014, under accession number CNCM I-4832, the variant yeast strain deposited at Institut Pasteur, on Oct. 18, 2012 under accession number CNCM I-4684, the variant yeast strain deposited at Institut Pasteur, on Oct. 18, 2012 under accession number CNCM I-4685 and/or the variant yeast strain deposited at Institut Pasteur on Jan. 28, 2015 under accession number CNCM I-4952) as well as processes using the variant yeast strain (wine fermentation for example).

2. 发明申请

US20160348192A1 METHOD FOR OBTAINING LOW ETHANOL-PRODUCING YEAST STRAINS, YEAST STRAINS OBTAINED THEREFROM AND THEIR USE 审中-公开
标题翻译：获得低乙酸生产的YEAST菌株的方法，获得的YEAST菌株及其使用方法
公开(公告)号：US20160348192A1
公开(公告)日：2016-12-01
申请号：US15115151
申请日：2015-01-30
申请人： Danstar Ferment AG , Institut National De La Recherche Agromomique (INRA)
发明人： Valentin Tilloy , Anne Ortiz-Julien , Jessica Noble , Sylvie Dequin
IPC分类号： C12R1/865 , C12G1/022 , C12P7/06 , C12N1/16 , C12P7/20
摘要： The present disclosure concerns a process for obtaining a variant yeast strain capable of producing less ethanol in an alcoholic fermentation process than its corresponding ancestral strain. The variant yeast strain is obtained by culturing the ancestral strain in the presence of increasing concentrations of a salt capable of causing an hyperosmotic stress to the ancestral yeast strain. The present disclosure also concerns variant yeast strain obtained from this process (for example the variant yeast strain deposited at Institut Pasteur, on Jan. 9, 2014, under accession number CNCM I-4832, the variant yeast strain deposited at Institut Pasteur, on Oct. 18, 2012 under accession number CNCM I-4684, the variant yeast strain deposited at Institut Pasteur, on Oct. 18, 2012 under accession number CNCM I-4685 and/or the variant yeast strain deposited at Institut Pasteur on Jan. 28, 2015 under accession number CNCM I-4952) as well as processes using the variant yeast strain (wine fermentation for example).
摘要翻译：本公开涉及获得能够在酒精发酵过程中产生少于其相应祖先菌株的乙醇的变体酵母菌株的方法。通过在增加浓度的能够对祖传酵母菌株产生高渗胁迫的盐的盐的存在下培养祖先菌株而获得变体酵母菌株。本公开还涉及从该方法获得的变体酵母菌株（例如，在巴斯德研究所保藏的变体酵母菌株，于2014年1月9日，保藏号CNCM I-4832，在巴斯德研究所保藏的变种酵母菌株，10月 2012年10月18日，保藏号为CNCM I-4684，于2012年10月18日保藏于巴斯德研究所的变种酵母菌株，登录号CNCM I-4685和/或于1月28日保藏于巴斯德研究所， 2015年，登录号CNCM I-4952）以及使用变种酵母菌株（例如葡萄酒发酵）的方法。

3. 发明授权

US10829827B2 Method for obtaining low ethanol-producing yeast strains, yeast strains obtained therefrom and their use 有权
公开(公告)号：US10829827B2
公开(公告)日：2020-11-10
申请号：US15115151
申请日：2015-01-30
申请人： Danstar Ferment AG , Institut National De La Recherche Agronomique (INRA)
发明人： Valentin Tilloy , Anne Ortiz-Julien , Jessica Noble , Sylvie Dequin
IPC分类号： C12N1/36 , C12N1/16 , C12G1/022 , C12P7/20 , C12R1/865 , C12P7/06
摘要： The present disclosure concerns a process for obtaining a variant yeast strain capable of producing less ethanol in an alcoholic fermentation process than its corresponding ancestral strain. The variant yeast strain is obtained by culturing the ancestral strain in the presence of increasing concentrations of a salt capable of causing an hyperosmotic stress to the ancestral yeast strain. The present disclosure also concerns variant yeast strain obtained from this process (for example the variant yeast strain deposited at Institut Pasteur, on Jan. 9, 2014, under accession number CNCM I-4832, the variant yeast strain deposited at Institut Pasteur, on Oct. 18, 2012 under accession number CNCM I-4684, the variant yeast strain deposited at Institut Pasteur, on Oct. 18, 2012 under accession number CNCM I-4685 and/or the variant yeast strain deposited at Institut Pasteur on Jan. 28, 2015 under accession number CNCM I-4952) as well as processes using the variant yeast strain (wine fermentation for example).

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