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    • 1. 发明申请
    • METHOD OF ALTERING NUCLEIC ACIDS
    • 改变核酸的方法
    • WO2010140066A2
    • 2010-12-09
    • PCT/IB2010/002396
    • 2010-06-04
    • GENE BRIDGES GMBHSTEWART, Adrian, FrancisIACONE, RobertoMARESCA, MarcelloANASTASSIADIS, Konstantinos
    • STEWART, Adrian, FrancisIACONE, RobertoMARESCA, MarcelloANASTASSIADIS, Konstantinos
    • C12N15/102C12N15/111C12N15/113C12N15/90C12N2310/124C12N2320/50
    • The invention provides a method for altering the sequence of a target nucleic acid molecule to incorporate a replacement nucleic acid sequence. The method comprising the steps of: a) introducing a nucleic acid fragment into the target nucleic acid molecule by homologous recombination, wherein the nucleic acid fragment comprises: i) a first region of homology to the target nucleic acid molecule; ii) a 5' splice site; iii) a selectable marker; iv) a 3' splice site; v) a second region of homology to the target nucleic acid molecule; wherein components i) to v) are ordered from 5' to 3'; and the replacement nucleic acid sequence is positioned within or between the first and second regions of homology but external of the splice sites; b) selecting for the introduction of the nucleic acid fragment using the selectable marker; c) incubating the product of step b) under conditions suitable for a splicing reaction to occur such that the selectable marker is excised and from the target nucleic acid, and thereby generating the desired altered target nucleic acid sequence.
    • 本发明提供了改变靶核酸分子序列以掺入置换核酸序列的方法。 该方法包括以下步骤:a)通过同源重组将核酸片段引入靶核酸分子,其中所述核酸片段包含:i)与靶核酸分子同源的第一区域; ii)5'剪接位点; iii)可选标记; iv)3'剪接位点; v)与靶核酸分子同源的第二区域; 其中组分i)至v)从5'到3'被排序; 并且所述置换的核酸序列位于所述第一和第二同源区之内或之间,但位于所述剪接位点的外部; b)使用选择性标记选择引入核酸片段; c)在适合于剪接反应的条件下孵育步骤b)的产物,使得切除选择性标记并从靶核酸中产生所需的改变的靶核酸序列。