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    • 19. 发明申请
    • DETECTION OF NUCLEIC ACIDS BY REAL-TIME PCR USING CHIMERIC RNA-DNA PRIMERS
    • 通过使用CHIMERIC RNA-DNA PRIMERS实时PCR检测核酸
    • WO2003012142A1
    • 2003-02-13
    • PCT/NL2002/000519
    • 2002-07-31
    • NEDERLANDS INSTITUUT VOOR ZUIVELONDERZOEKWAGENINGEN UNIVERSITYSYBESMA, Wilbert, Feike, HenricusKLEEREBEZEM, Michiel
    • SYBESMA, Wilbert, Feike, HenricusKLEEREBEZEM, Michiel
    • C12Q1/68
    • C12Q1/6853C12Q2561/113C12Q2525/161
    • The present invention relates to methods for detection and quantification of target sequences in nucleic acid sample using real-time PCR. The method advantageously employs a chimeric RNA:DNA primer that introduces a unique (universal) detection sequence during a first gene-specific primer-extension reaction. The introduction of this unique detection sequence allows to use a single (universal) fluorescently labelled detection probe for detection and quantification of multiple different target sequence specific amplification products in real-time polymerase chain reactions. The method may be applied for detection and quantification of both DNA and RNA target sequences and is preferably used for quantification of specific mRNA's. By introducing a primer ligation step the method is adapted for genome wide transcriptome analysis. The method can be adapted for differential gene expression analysis in a single PCR reaction, allowing simultaneous and comparative analysis of specific gene-expression levels in samples obtained from cells grown under different conditions.
    • 本发明涉及使用实时PCR检测和定量核酸样品中靶序列的方法。 该方法有利地采用在第一基因特异性引物延伸反应期间引入独特(通用)检测序列的嵌合RNA:DNA引物。 引入这种独特的检测序列允许使用单一(通用)荧光标记的检测探针,用于在实时聚合酶链反应中检测和定量多种不同的靶序列特异性扩增产物。 该方法可用于DNA和RNA靶序列的检测和定量,并且优选用于定量特异性mRNA。 通过引入引物连接步骤,该方法适用于全基因组转录组学分析。 该方法可以在单个PCR反应中适应差异基因表达分析,从而在从不同条件下生长的细胞获得的样品中同时和比较分析特异性基因表达水平。