PMID: 22575149May 12, 2012Paper

Development and application of TaqMan MGB probe fluorescence quantitative PCR method for rapid detection of Clostridium piliforme

Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi
Zheng-qin GaoZheng-ming He

Abstract

To develop a TaqMan MGB probe-based, sensitive and specific fluorescence quantitative PCR assay method for rapid detection of Clostridium piliforme. Primers and probes specific to 16S rRNA gene of Clostridium piliforme were designed. A TaqMan MGB probe-based, fluorescence quantitative PCR method was established. Specificity, sensitivity and stability of the method were assessed, followed by real-time quantitative PCR assay to detect Clostridium piliforme on 1156 clinical specimens during 2008-2011 and compared with conventional PCR assay. The specificity of TaqMan MGB probe-based fluorescence quantitative PCR was high and did not show cross-reactivity with Helicobacter hepaticus, Helicobacter pylori, Campylobacter jejuni, Pasteurella pneumotropica, Escherichia coli or Pseudomonas aeruginosa. The detection limit was 2.2 copies/µl. The correlation coefficient and slope value of standard curve were 0.999 and -3.204, respectively and the efficiency of TaqMan MGB-based probe fluorescence quantitative PCR assay was 100%. When the TaqMan MGB-based probe fluorescence quantitative PCR assay was preformed to detect Clostridium piliforme on 1156 clinical specimens, a total of 101 specimens showed positive on Clostridium piliforme. However...Continue Reading

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