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    • 17. 发明公开
    • NOVEL YEAST GENES
    • HEFE-GENE
    • EP0818535A4
    • 2001-11-21
    • EP96942669
    • 1996-12-27
    • KYOWA HAKKO KOGYO KK
    • KAWASAKI HIDEKITOKAI MASAYAKIKUCHI YASUHIROOUCHI KOZO
    • A21D8/04C07K14/395C12N15/31C12N15/81C12P7/06C12N1/18
    • C07K14/395A21D8/047C12N15/81C12P7/06Y02E50/17
    • A protein consisting of the amino acid sequence represented by SEQ ID NO: 1; a protein consisting of an amino acid sequence wherein one or more amino acids in the amino acid sequence represented by SEQ ID NO: 1 have been added, deleted or substituted and complementing a mutation showing the cold-sensitivity of fermentability; a gene encoding the protein; a gene comprising a DNA consisting of the base sequence represented by SEQ ID NO: 1 or another DNA consisting of a base sequence wherein one or more DNAs in the base sequence represented by SEQ ID NO: 1 have been added, deleted or substituted and complementing a mutation showing the cold-sensitivity of fermentability; a yeast showing the cold-sensitivity of fermentability and belonging to the genus Saccharomyces wherein the above-mentioned gene on its chromosome has been inactivated; a dough containing this yeast; a process for producing bread comprising adding the yeast to a dough; and a process for producing ethanol comprising incubating the yeast in a medium, thus accumulating ethanol in the culture medium and then harvesting the ethanol from the culture medium.
    • 本发明涉及具有由SEQ ID NO:1表示的氨基酸序列的蛋白质,或能够补充表现出低温敏感性发酵能力的突变,并具有氨基酸序列的蛋白质,其中一个或多个氨基酸残基为 在SEQ ID NO:1所示的氨基酸序列中添加,缺失或取代; 编码所述蛋白质的基因; 以及包含具有SEQ ID NO:1所示的核苷酸序列的DNA的基因,或包含能够补充表现出低温敏感性发酵性的突变的DNA,并具有其中添加一个或多个DNA,缺失或取代的核苷酸序列的DNA 本发明还涉及属于酵母属的酵母,具有低温敏感的发酵能力,其特征在于上述染色体上的基因是失活的; 含有酵母的面团; 制造面包的方法,其包括将所述酵母加入面团中; 以及生产乙醇的方法,其包括在培养基中培养所述酵母,使乙醇在培养物中积聚,并从培养物中回收乙醇。