Pulsed-field gel electrophoresis analysis of Beijing and Californian populations of Culex pipiens complex mosquitoes revealed that the enzyme Mlul produced a band of 49kb.

• 用脉冲电场凝胶电泳技术,从北京和美国加州的有机磷杀虫药剂抗性库蚊复合品系中分离出一条49kb的酯酶基因扩增片段。