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    • 6. 发明申请
    • NOVEL HIGH ALKALINE PROTEASE AND USE THEREOF
    • 新型高碱性蛋白酶及其用途
    • US20110045570A1
    • 2011-02-24
    • US11719713
    • 2005-11-16
    • Jie LuZhijun LiSi Hung VoYuji HatadaKen TakaiSusumu ItoKoki Horikoshi
    • Jie LuZhijun LiSi Hung VoYuji HatadaKen TakaiSusumu ItoKoki Horikoshi
    • C12N9/52C12N9/50C07H21/04C07H21/00C12N15/63C12N1/21
    • C12N9/52
    • The invention aims to provide a novel alkaline protease having peculiar properties such as high alkali activity, resistance to surfactants and calcium-dependent thermostability and exhibiting excellent performance in highly alkaline detergents, and a gene coding for the amino acid sequence thereof. There is provided an alkaline protease with such properties that an active pH range is from 5 to 13, an optimum pH is approximately 12.6, an optimum temperature is 70° C., no activity drop by heating is observed up to 65° C. at pH 10 and the optimum temperature and the thermostability are not affected by Ca2+ ions. Specifically, there is provided, for example, an alkaline protease having an amino acid sequence constituting a mature enzyme as represented by SEQ ID NO: 3 or an amino acid sequence resulting from deletion, substitution, situs inversus arrangement, addition or insertion of a part of amino acids thereof, or derived from Alkaliphillus transvaalensis. The protease cleaves 26 peptide bonds among 29 peptide bonds of acidic insulin B-chain.
    • 本发明的目的在于提供一种具有高碱性,耐表面活性和钙依赖性热稳定性等特性,在高碱性洗涤剂中表现出优异性能的新型碱性蛋白酶及其氨基酸序列的编码基因。 提供了具有这样的性质的碱性蛋白酶,其活性pH范围为5至13,最佳pH为约12.6,最适温度为70℃,在65℃下不观察到加热下的活性降低 pH 10,最佳温度和热稳定性不受Ca2 +离子的影响。 具体地,例如提供了具有SEQ ID NO:3所示的构成成熟酶的氨基酸序列的氨基酸序列的碱性蛋白酶或由缺失,取代,位置反转排列,添加或插入部分 的氨基酸,或衍生自变形白菜(Alkaliphillus transvaalensis)。 蛋白酶在酸性胰岛素B链的29个肽键中切割26个肽键。
    • 7. 发明授权
    • Method for detecting microorganisms by fluorescent staining using hydrostatic pressure
    • 通过使用静水压力的荧光染色检测微生物的方法
    • US06358700B2
    • 2002-03-19
    • US09190168
    • 1998-11-12
    • Abe FumiyoshiKoki Horikoshi
    • Abe FumiyoshiKoki Horikoshi
    • C12Q104
    • G01N1/30C12Q1/04G01N2001/302
    • A method for detecting microorganisms present in a sample comprises the steps of: applying a non-lethal hydrostatic pressure to a sample containing microorganisms; and staining the microorganisms with a fluorescent dye. The method permits a significant increase in the uptake of a fluorescent substance by applying, to a sample, a desired non-lethal hydrostatic pressure, without causing any reduction of the survival rate of microorganisms. The method also permits the elimination of such a secondary effect that the subject microorganism undergoes proliferation during staining the same with a fluorescent dye. Thus, the present invention would contribute to the determination of the correct viable count in a wide variety of technical fields.
    • 用于检测样品中存在的微生物的方法包括以下步骤:向含有微生物的样品施加非致死性静水压力; 并用荧光染料染色微生物。 该方法允许通过向样品施加期望的非致死性静水压力而不引起微生物存活率的任何降低来显着增加荧光物质的摄取。 该方法还允许消除这样的次要作用,使得受试微生物在用荧光染料染色时经历增殖。 因此,本发明将有助于在各种各样的技术领域中确定正确的可行计数。