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    • 28. 发明公开
    • A CASCADE NUCLEIC ACID AMPLIFICATION REACTION
    • 在KASKADEN VELAUFENDEVERVIELFÄLTIGUNGSREAKTIONVONNUKLEINSÄUREN
    • EP0868530A1
    • 1998-10-07
    • EP96939821.0
    • 1996-12-05
    • Koch, Jorn, Erland
    • Koch, Jorn, Erland
    • C12N15C12Q1
    • C12Q1/6844C12N15/10C12Q1/6804C12Q1/682C12Q2525/301C12Q2531/125C12Q2543/101C12Q2525/143C12Q2563/131
    • A DNA template consisting of multiple tandem repetitions of an oligonucleotide unit is produced by endless copying of a circular oligonucleotide comprising at least one copy of said oligonucleotide unit by means of a nucleic acid polymerase, which is capable of strand displacement and is substantially without 5'-3' exonuclease activity, in the presence of the necessary nucleoside triphosphates and, if necessary, a primer capable of binding to some portion of the oligonucleotide. This reaction can be used in a process for the amplification of a particular DNA sequence wherein said DNA sequence is either circularized or inserted into a circular oligonucleotide, and the resulting circular DNA is used as a template for an endless copying process.
    • 由寡核苷酸单元的多重串联重复组成的DNA模板是通过无限复制的包含至少一个拷贝的所述寡核苷酸单元的环状寡核苷酸产生的,该核酸聚合酶能够进行链排列并基本上不含5' -3'核酸外切酶活性,在必需的核苷三磷酸存在下,如果需要,可以与能够与寡核苷酸的一部分结合的引物。 该反应可用于扩增特定DNA序列的方法,其中所述DNA序列被环化或插入到环状寡核苷酸中,所得到的环状DNA用作环状复制过程的模板。