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    • 10. 发明授权
    • In vivo homologous sequence targeting in eukaryotic cells
    • 在真核细胞中的体内同源序列靶向
    • US5763240A
    • 1998-06-09
    • US275916
    • 1994-07-14
    • David A. ZarlingElissa P. Sena
    • David A. ZarlingElissa P. Sena
    • C12N15/90C12N15/64C12P19/34C12Q1/68
    • C12N15/90
    • The invention relates to methods for targeting an exogenous polynucleotide or exogenous complementary polynucleotide pair to a predetermined endogenous DNA target sequence in a eukaryotic cell by homologous pairing, particularly for altering an endogenous DNA sequence, such as a chromosomal DNA sequence, typically by targeted homologous recombination. In certain embodiments, the invention relates to methods for targeting an exogenous polynucleotide having a linked chemical substituent to a predetermined endogenous DNA sequence in a metabolically active eukaryotic cell, generating a DNA sequence-specific targeting of one or more chemical substituents in an intact nucleus of a metabolically active eukaryotic cell, generally for purposes of altering a predetermined endogenous DNA sequence in the cell. The invention also relates to compositions that contain exogenous targeting polynucleotides, complementary pairs of exogenous targeting polynucleotides, chemical substituents of such polynucleotides, and recombinase proteins used in the methods of the invention.
    • 本发明涉及通过同源配对将外源多核苷酸或外源互补多核苷酸对靶向靶向预定内源DNA靶序列的方法,特别是用于通常通过靶向同源重组来改变内源DNA序列,例如染色体DNA序列 。 在某些实施方案中,本发明涉及将具有连接的化学取代基的外源多核苷酸靶向于代谢活性真核细胞中的预定内源性DNA序列的方法,产生在完整核中的一个或多个化学取代基的DNA序列特异性靶向 代谢活性真核细胞,通常用于改变细胞中预定的内源性DNA序列。 本发明还涉及含有外源靶向多核苷酸,外源靶向多核苷酸的互补对,这种多核苷酸的化学取代基和本发明方法中使用的重组酶的组合物。