LAMP检测无乳链球菌方法的建立及应用(英文)

被引:8
作者
王永 [1 ]
赵新 [1 ]
景海春 [2 ]
兰青阔 [1 ]
朱珠 [1 ]
程奕 [1 ]
机构
[1] 天津市农业科学院中心实验室
[2] Plant Pathogen Interactions Division,Rothamsted
关键词
环介导等温扩增技术; 无乳链球菌; fbsB; 检测;
D O I
暂无
中图分类号
Q93-3 [微生物研究与微生物实验];
学科分类号
摘要
以无乳链球菌纤连蛋白fbs基因为主要研究对象,采取环介导等温扩增技术(Loop-Mediated Isothermal Amplification,LAMP),针对fbs基因的6个区域设计4条特异性引物,利用一种链置换DNA聚合酶(BstDNA polymerase)在63℃保温1 h,通过荧光显色即可完成对无乳链球菌的检测工作。结果显示,LAMP方法能够特异性检测fbs基因,其检测灵敏度是常规PCR方法的100倍,并与实时荧光定量PCR方法相当。所建立的针对无乳链球菌fbs基因的LAMP检测方法具有高度的特异性及稳定性,结果可靠,非常适合无乳链球菌的快速检测。
引用
收藏
页码:234 / 238
页数:5
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