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    • 1. 发明申请
    • METHODS TO SCREEN MICROORGANISMS OR GENE LIBRARIES FOR PRODUCTS SECRETED FROM A CELL
    • 筛选从细胞分泌的产物的微生物或基因库的方法
    • WO0132829A3
    • 2001-12-13
    • PCT/DK0000566
    • 2000-10-10
    • NOVOZYMES AS
    • MOELLER SOERENKONGSBAK LARSKRISTENSEN HANS-HENRIKVIND JESPERPEDERSEN HENRIKHUSUM TOMMY LYKKE
    • C12N15/10
    • C12N15/1034
    • The invention describes methods for screening for products secreted from the cells, and provides methods to establish a correlation between the activity of the secreted product and the secreting cell. Accordingly in a first aspect the present invention relates to a method for screening a DNA library for DNA of interest comprising the steps of a) creating host cells comprising the DNA library, b) generating samples each comprising a host cell of step a), c) establishing a means for correlating host cell secretion of a material of interest in a sample with the fluorescence of the sample, d) determining which intensity interval of fluorescence indicates secretion in the sample when the correlating means of step c) is used, e) cultivating the samples under suitable conditions, and f) selecting the samples exhibiting fluorescence within the intensity interval of step d) using a fluorescence analyzer; wherein the host cell comprises DNA of interest.
    • 本发明描述了筛选从细胞分泌的产物的方法,并提供了确定分泌产物的活性与分泌细胞之间的相关性的方法。 因此,在第一方面,本发明涉及用于筛选目标DNA的DNA文库的方法,包括以下步骤:a)产生包含DNA文库的宿主细胞,b)产生各自包含步骤a),c )建立用于将样品中感兴趣的材料的宿主细胞分泌与样品的荧光相关的手段,d)确定荧光的强度间隔表示分泌的浓度 使用步骤c)的相关手段进行样品,e)在合适的条件下培养样品,以及f)使用荧光分析仪选择在步骤d)的强度间隔内显示荧光的样品; 其中所述宿主细胞包含感兴趣的DNA。