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Molecular typing on insecticide resistance-associated esterase genes of Culex pipiens complex by PCR-RFLP techniques
Author(s): KOU Yu, YE Rong, PAN Jin-cao, QIAO Chuan-ling, CUI Feng, YU Xin-fen, HUANG Zhi-cheng
Pages: 269-
271
Year: 2007
Issue:
4
Journal: CHINESE JOURNAL OF VECTOR BIOLOGY AND CONTROL
Keyword: 尖音库蚊复组; 抗性基因; 聚合酶链反应-限制性片段长度多态性; 分子分型;
Abstract: 目的 应用聚合酶链反应-限制性片段长度多态性(PCR-RFLP)检测法,建立尖音库蚊抗性酯酶等位基因分型方法.方法 根据尖音库蚊抗性酯酶基因保守区序列设计引物;提取单个蚊虫基因组DNA,采用PCR-RFLP分析的方法,对抗性酯酶等位基因分型.结果 酯酶基因扩增片段长度为860 bp,经限制性内切酶酶切后,尖音库蚊抗性Est-β11纯合型有5条带(70、89、147、198和347 bp);Est-β2纯合型出现4条带(60、147、207和437 bp);Est-β11/Est-β2杂合型出现5条带;Est-βN纯合型出现3条带(147、207和506 bp).结论 PCR-RFLP方法能快速、有效地检测尖音库蚊抗性酯酶等位基因类型.
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