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Development of Clamping Probe for Rare DNA Detection using Universal Primers

机译:通用引物用于稀有DNA检测的钳位探针的开发

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PCR amplification with universal primer is a useful tool for speciation of symbionts in marine eukaryote coupled with robust separation method such as denaturing high performance chromatography (DHPLC). To overcome the biased amplification, clamping PCR is recommended to suppress the amplification of host gene. In this study, we evaluated the efficiency of rare gene detection for two kinds of clamping probes which were successfully utilized for eukaryotic symbiont analysis: C3 linked nucleotide (C3) and peptide nucleic acid (PNA). PNA was 3-4 orders of magnitude higher than that of C3 tested in clamping efficiency and rare gene detection. This represented that PNA could be a more competent clamping probe for the enhancement of PCR amplification for rare symbiont genes.
机译:通用引物的PCR扩增是海洋真核生物中共生体形成的有用工具,结合了稳健的分离方法(如变性高效色谱法(DHPLC))。为了克服偏向扩增,建议使用钳制PCR抑制宿主基因的扩增。在这项研究中,我们评估了成功用于真核生物共生体分析的两种夹紧探针的稀有基因检测效率:C3连接核苷酸(C3)和肽核酸(PNA)。在钳位效率和稀有基因检测方面,PNA比C3高3-4个数量级。这表明PNA可能是一种更有效的钳位探针,可用于增强稀有共生体基因的PCR扩增。

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