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    • 2. 发明申请
    • Method of screening physilogically active substance
    • 物理活性物质筛选方法
    • US20060160063A1
    • 2006-07-20
    • US10526369
    • 2003-09-05
    • Iwao KatsuyamaTsutomu ArakawaMasao TokunagaTadashi Yamamoto
    • Iwao KatsuyamaTsutomu ArakawaMasao TokunagaTadashi Yamamoto
    • C12Q1/18C12N1/18C12Q1/00
    • C12Q1/025G01N2333/39
    • The present invention relates to a method of screening a physiologically active substance, comprising the steps of (1) contacting a transformed yeast with a test sample, wherein the transformed yeast is capable of expressing a heterogeneous protein, and shows a change in a growing state in an expression state of the protein as compared to that in a non-expression state of the protein; (2) culturing the yeast under conditions that the protein is capable of being expressed; and (3) measuring the growing state of the yeast, wherein the physiologically active substance is judged to be present in the test sample in a case where the growth of the yeast is lowered or improved in the presence of the test sample as compared to that in the absence of the test sample as a control; an yeast to be used in the method; a physiologically active substance obtainable by the method of screening as defined above; and a kit for screening a physiologically active substance, comprising the yeast as defined above.
    • 本发明涉及筛选生理活性物质的方法,包括以下步骤:(1)将转化的酵母与测试样品接触,其中转化的酵母能够表达异质蛋白质,并显示生长状态的变化 与蛋白质的非表达状态相比,处于蛋白质的表达状态; (2)在能够表达蛋白质的条件下培养酵母; 和(3)测量酵母的生长状态,其中在测试样品存在下酵母生长降低或改善的情况下,判定生理活性物质存在于测试样品中 在没有测试样本作为对照的情况下; 在该方法中使用的酵母; 通过如上定义的筛选方法可获得的生理活性物质; 和用于筛选生理活性物质的试剂盒,其包含如上定义的酵母。