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    • 1. 发明公开
    • METHOD OF BREEDING YEAST
    • VERFAHREN ZURZÜCHTUNGVON HEFE
    • EP1142998A1
    • 2001-10-10
    • EP00970088.1
    • 2000-10-26
    • SUNTORY LIMITED
    • ASHIKARI, ToshihikoOCHIAI, Misa
    • C12N15/11C12N1/19C12C11/02
    • C12C12/004C12C12/006C12N15/81C12R1/85
    • A DNA construct comprising:

      (1) a selective marker gene,
      (2) a galactose-inducible growth inhibition sequence,
      (3) a pair of FRT sequences in the same orientation flanking (1) and (2), and
      (4) a DNA fragment capable of recombining with a yeast chromosomal DNA located at each end of (3), wherein said FRT sequences contain the following sequence: or a sequence substantially identical to said sequence, provided that in each member of said pair of FRT sequences, the inverted repeat distal from the flanked selective marker gene and growth inhibition sequence has at least one but no more than six nucleotides deleted on the side distal from the spacer sequence; a method for transforming a yeast of the genus Saccharomyces with said DNA construct; a yeast of the genus Saccharomyces transformed by said method; and a method for producing a beer comprising using said yeast of the genus Saccharomyces.
    • 一种DNA构建体,其包含:(1)选择性标记基因,(2)半乳糖诱导型生长抑制序列,(3)在侧翼(1)和(2)中相同取向的一对FRT序列,和(4)a 能够与位于(3)的每个末端的酵母染色体DNA重组的DNA片段,其中所述FRT序列包含以下序列:图像或与所述序列基本相同的序列,条件是在所述一对FRT的每个成员中 序列,来自侧翼选择性标记基因的远端的反向重复和生长抑制序列在远离间隔物序列的一侧具有至少一个但不超过六个核苷酸; 用所述DNA构建体转化酵母属酵母的方法; 通过所述方法转化的酵母属酵母; 以及包含使用酵母属酵母的酿造啤酒的方法。
    • 3. 发明公开
    • SCREENING METHOD FOR GENES OF BREWING YEAST
    • 巴斯德酵母SSU1基因,多肽,以及它们用于醇的制备中使用
    • EP1599605A1
    • 2005-11-30
    • EP04716716.8
    • 2004-03-03
    • SUNTORY LIMITED
    • NAKAO, YoshihiroNAKAMURA, NorihisaKODAMA, YukikoFUJIMURA, TomokoASHIKARI, Toshihiko
    • C12Q1/68C12C12/00C12N15/54B01L3/00
    • C12N15/1034C07K14/395C12C12/004C12C12/006C12N1/18C12P7/06C12Q1/6895C12Q2600/156C12Q2600/158Y02E50/17
    • An object of the present invention is to provide a method for the selection of gene participating in the desired brewing character in such a manner that a database compiling the data of the whole genome sequence of industrial yeast, particularly of a brewing yeast used for alcoholic beverages such as beer is prepared; gene participating in a brewing character that the brewing yeast, specifically possesses is selected from the database; and functional analysis of the gene is carried out by disruption or overexpression, and to provide a DNA array (in which oligonucleotide(s) selected) based on the database compiling the data of the whole genome sequences of an industrial yeast or, particularly, of a brewing yeast (is/are adhered on a solid plate). Another object is to provide a method for breeding of yeast achieving the brewing character which the gene participates in, and also a method for the production of an alcohol or an alcoholic beverage in which productivity and quality are improved using the yeast. Still another object is to provide a gene which is specific to the brewing yeast and a peptide encoded by the gene.Means for achieving the above objects is a screening method for genes participating in increase in productivity and/or improvement in flavor in the production of an alcohol or an alcoholic beverage, characterized in that, (A) the whole genome sequence of industrial yeast is analyzed, (B) the genome sequence is compared with the whole genome sequence of S. cerevisiae, (C) gene of the industrial yeast encoding an amino acid sequence having 70 to 97% identity to an amino acid sequence encoded by the gene of S. cerevisiae is selected and (D) functional analysis of the gene is carried out, whereby the character which is given to the yeast by the gene is identified.