[Objective] The research aimed to design primers that are suitable for detecting H5 and H7 subtypes of avian influenza virus （AIV） ; [Method] DNAStar was used to analyze the homology of the sequences of H5 and H7 subtypes of AIV accessed in GenBank, and design primers（ by Primer Premier 5.0） on high homologous region of these sequences, and then amplified by RT-PCR. [Result] The multiplex RT-PCR amplification, agarose gel electrophoresis and sequencing results showed that the self-designed primers are successful for detecting AIV. [Conclusion] It is feasible to rapidly diagnose AIV through this method.
[目的]设计能用于多重RT-PCR扩增禽流感病毒H5、H7亚型基因的引物。[方法]在GenBank中搜索H5、H7亚型禽流感病毒的基因序列,并利用DNAStar分析其同源性,采用Primer Premier 5.0软件设计引物。[结果]多重RT-PCR扩增、琼脂糖凝胶电泳及测序结果显示引物设计成功。[结论]该方法用于禽流感病毒的快速诊断是可行的。
