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    • 7. 发明申请
    • MODIFYING BACTERIOPHAGE
    • 修改细菌
    • WO2017174809A1
    • 2017-10-12
    • PCT/EP2017/058468
    • 2017-04-07
    • PHICO THERAPEUTICS LTD
    • FAIRHEAD, HeatherWILKINSON, AdamSEVERI, Emmanuele
    • C12N15/00A61K35/76C12N7/00C12N15/10C12N15/62
    • A method for producing one or more hybrid bacteriophage host range determinant (HRD) sequences, which comprises: (1) identifying at least two DNA sequences, each encoding an HRD in a series of regions in the DNA sequence, wherein the HRDs are different from one another, (2) incorporating each region into a vector in which each region is flanked by a recognition site of a restriction enzyme capable of cutting DNA at a specific cleavage site outside of the recognition sequence, so that the cleavage site of the restriction enzyme is situated at the boundary of each region, wherein the cleavage site sequences of the regions from an individual series are different from one another and wherein the cleavage site sequences at the boundaries of corresponding regions from different series are the same; (3) treating the vectors with a restriction enzyme capable of cutting DNA at a specific cleavage site outside of the recognition sequence so as to generate a mixture of the regions; and (4) treating the mixture of the regions with a ligase to ligate them to form an array of DNA sequences encoding an array of hybrid HRDs.
    • 一种用于产生一个或多个杂交噬菌体宿主范围决定簇(HRD)序列的方法,其包括:(1)鉴定至少两个DNA序列,每个DNA序列编码DNA中一系列区域中的HRD 序列,其中HRD彼此不同,(2)将每个区域整合入载体中,其中每个区域侧翼为能够在识别序列之外的特定切割位点切割DNA的限制性酶的识别位点,所以 限制酶的切割位点位于每个区域的边界处,其中来自各个系列的区域的切割位点序列彼此不同,并且其中来自不同系列的相应区域的边界处的切割位点序列是 一样; (3)用能够在识别序列之外的特定切割位点切割DNA的限制性内切酶处理载体,以产生这些区域的混合物; 和(4)用连接酶处理区域的混合物以连接它们以形成编码混合HRD阵列的DNA序列阵列。