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Synthesis of programmable integrases

机译:可编程积分的综合

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摘要

Accurate modification of the 3 billion-base-pair human genome requires tools with exceptional sequence specificity. Here, we describe a general strategy for the design of enzymes that target a single site within the genome. We generated chimeric zinc finger recombinases with cooperative DNA-binding and catalytic specificities that integrate transgenes with >98% accuracy into the human genome. These modular recombinases can be reprogrammed: New combinations of zinc finger domains and serine recombinase catalytic domains generate novel enzymes with distinct substrate sequence specificities. Because of their accuracy and versatility, the recombi-nases/integrases reported in this work are suitable for a wide variety of applications in biological research, medicine, and biotechnology where accurate delivery of DNA is desired.
机译:准确修饰30亿个碱基对的人类基因组需要具有卓越序列特异性的工具。在这里,我们描述了设计针对基因组中单个位点的酶的一般策略。我们产生了具有合作DNA结合和催化特异性的嵌合锌指重组酶,该酶将转基因以> 98%的准确度整合到人类基因组中。这些模块重组酶可以重新编程:锌指结构域和丝氨酸重组酶催化结构域的新组合产生具有不同底物序列特异性的新型酶。由于它们的准确性和多功能性,这项工作中报道的重组/整合体适用于需要精确递送DNA的生物研究,医学和生物技术中的各种应用。

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