该研究旨在建立快速、敏感和特异的检测类猪圆环病毒因子P1的SYBR Green Ⅰ荧光定量PCR法,用于P1的早期诊断。以感染P1的猪血清DNA提取物为模板,采用PCR扩增P1 101 bp的基因片段,将其克隆至pMD18-T载体,重组质粒测序并进行同源性分析;...该研究旨在建立快速、敏感和特异的检测类猪圆环病毒因子P1的SYBR Green Ⅰ荧光定量PCR法,用于P1的早期诊断。以感染P1的猪血清DNA提取物为模板,采用PCR扩增P1 101 bp的基因片段,将其克隆至pMD18-T载体,重组质粒测序并进行同源性分析;以阳性质粒为模板,建立SYBR Green Ⅰ荧光定量PCR检测方法,并进行敏感性和特异性检测。经测序证实扩增片段属于P1,所建立的SYBR Green Ⅰ荧光定量PCR检测P1的反应在101-108拷贝/μL之间具有良好的线性关系,反应的检出下限为10拷贝/μL,而对猪伪狂犬病病毒、猪细小病毒、猪繁殖与呼吸综合征病毒等的检测为阴性,表明该方法敏感、特异。成功建立了SYBR Green Ⅰ荧光定量PCR检测P1载量的方法,为P1致病机制和机体免疫保护机制的研究提供了技术平台。展开更多
Background Mycoplasma pneumoniae is a common pathogen that caused community-acquired pneumonia （CAP）. P1 protein served as major adhesion and immunodominant protein in Mycoplasma pneumoniae, but little about P1 gene...Background Mycoplasma pneumoniae is a common pathogen that caused community-acquired pneumonia （CAP）. P1 protein served as major adhesion and immunodominant protein in Mycoplasma pneumoniae, but little about P1 gene was learned and the relationship between P1 genotype and macrolide resistance has yet to be explored.展开更多
文摘该研究旨在建立快速、敏感和特异的检测类猪圆环病毒因子P1的SYBR Green Ⅰ荧光定量PCR法,用于P1的早期诊断。以感染P1的猪血清DNA提取物为模板,采用PCR扩增P1 101 bp的基因片段,将其克隆至pMD18-T载体,重组质粒测序并进行同源性分析;以阳性质粒为模板,建立SYBR Green Ⅰ荧光定量PCR检测方法,并进行敏感性和特异性检测。经测序证实扩增片段属于P1,所建立的SYBR Green Ⅰ荧光定量PCR检测P1的反应在101-108拷贝/μL之间具有良好的线性关系,反应的检出下限为10拷贝/μL,而对猪伪狂犬病病毒、猪细小病毒、猪繁殖与呼吸综合征病毒等的检测为阴性,表明该方法敏感、特异。成功建立了SYBR Green Ⅰ荧光定量PCR检测P1载量的方法,为P1致病机制和机体免疫保护机制的研究提供了技术平台。
文摘Background Mycoplasma pneumoniae is a common pathogen that caused community-acquired pneumonia （CAP）. P1 protein served as major adhesion and immunodominant protein in Mycoplasma pneumoniae, but little about P1 gene was learned and the relationship between P1 genotype and macrolide resistance has yet to be explored.
