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结核杆菌利福平与异烟肼耐药基因快速检测用参考品的制备 被引量:3

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摘要 目的建立结核杆菌利福平与异烟肼耐药基因快速检测用国家参考品。方法收集分枝杆菌菌株,用经典的药敏试验及培养基鉴别试验进行鉴定;用分子生物学技术对耐药菌株的耐药基因进行核苷酸序列分析,并进行突变位点的筛选;选取完全耐药菌株,用膜过滤法制备单细胞菌液,进行显微计数。结果选出阳性参考品符合率检测用、含不同突变位点的结核分枝杆菌耐药菌株20株;阴性参考品符合率检测用菌株10株,其中敏感菌株5株,致病性非结核分枝杆菌菌株5株;最低检出量检测用结核分枝杆菌耐药菌株5株,制备浓度为1×106个/ml的单细胞菌液。结论该参考品可以用作结核菌利福平与异烟肼耐药基因快速检测试剂质量的标准。
出处 《中国生物制品学杂志》 CAS CSCD 2006年第4期402-404,406,共4页 Chinese Journal of Biologicals
基金 国家科技攻关计划课题(名称:耐多药结核病的快速检测技术 编号:2001BA705B03).
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