雙重?zé)晒舛縍T-PCR檢測豬O型口蹄疫病毒GX和XJ株方法的建立及應(yīng)用
[Abstract]:In order to establish a double fluorescent quantitative RT-PCR method for the detection of different genotypes of foot-and-mouth disease virus type O (FMDV), a pair of universal primers and two Taqman probes were designed and synthesized according to the VP1 gene sequences of FMDV O/GX/09-7 and O/XJ/10-11 strains. By preparing GX and XJ strain standard RNAs, optimizing the reaction conditions, establishing double fluorescence quantitative RT-PCRs, and evaluating its sensitivity, specificity and repeatability. The GX and XJ strains of porcine O type FMD vaccine were identified and detected by double fluorescence quantitative RT-PCR assay, and the content of virus RNA in the vaccine was determined quantitatively. The results showed that the correlation coefficient of double quantitative RT-PCR curve between GX and XJ strain was R2O0.997 and R2O0.995.The dual fluorescence quantitative RT-PCR method could identify and detect different genotypes of foot-and-mouth disease virus in inactivated virus simultaneously. The minimum detection limit of RNA content with good specificity and sensitivity was 10 copies / 渭 L. The method can be used to detect the RNA content of inactivated virus and seed virus in different batches of foot-and-mouth disease virus, and can also be used to purify the virus. It also provides a new detection method for the quality control of vaccine production.
【學(xué)位授予單位】:內(nèi)蒙古農(nóng)業(yè)大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2015
【分類號】:S852.65
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