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牛源多杀性巴氏杆菌与支原体双重PCR 检测方法的建立

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摘要 为建立一种快速、准确、简便的多杀性巴氏杆菌与牛支原体双重PCR检测方法,参照GenBank中多杀性巴氏杆菌kmt1基因序列和牛支原体oppD/F基因序列设计2对引物,以2种病原的单重PCR的扩增体系和条件为基础,对双重PCR的退火温度、引物用量、模板用量进行优化,分析所建立的双重PCR方法的特异性、敏感性和重复性,并将其应用于屠宰场273份疑似多杀性巴氏杆菌、牛支原体感染牛的肺脏组织样品验证。结果表明:所建立的双重PCR检测方法对多杀性巴氏杆菌和牛支原体具有特异性;双重PCR体系混合质粒的最低检测质量浓度为1.25×10-6 ng/μL,敏感性高;间隔2周的2次检测结果一致,重复性好;273份屠宰场样品的双重PCR检测结果与单重PCR检测结果符合率为100%。
出处 《上海畜牧兽医通讯》 2024年第2期17-23,共7页 Shanghai Journal of Animal Husbandry and Veterinary Medicine
基金 贵州省农业科学院项目(黔农科种质资源〔2023〕04) 贵州省农业农村厅项目(GZCYTX-0302) 贵州省科技厅项目(黔科合支撑〔2023〕一般021)。
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