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本文通过ＰＣＲ指纹图谱，分析了吉林西部草原鼠疫菌染色体ＮＤＡ特征，结果显示该地区鼠疫菌染色体可产生８条非常明显的扩增区带，其他对照的菌株只产生６条扩增区带。分析认为这种差别可能是该地菌株的一特征。
In this paper, the characteristics of NDA in Yersinia pestis in western Jilin were analyzed by PCR fingerprinting. The results showed that there were eight distinct amplification zones in Yersinia pestis and six other zones in other control strains. Analysis that this difference may be a feature of the strain.