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福建省沙门菌病invA与spvB基因分布状况的研究 被引量:3

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摘要 [目的]了解福建省沙门菌临床分离株invA与spvB基因的分布特点,为掌握我省沙门菌病分子流行病学特征提供依据。[方法]采集2006、2007年沙门菌临床分离株137株,煮沸裂解法提取DNA后对invA和spvB基因进行PCR检测。[结果]invA和spvB基因的阳性率分别为99.3%和24.8%;spvB基因在腹泻病例中的阳性率高于在发热病例中的阳性率,在非伤寒病例株的阳性率显著高于伤寒、副伤寒病例株的阳性率。[结论]invA基因可作为沙门菌病快速诊断基因,spvB基因在非伤寒、伤寒及副伤寒沙门菌血清型中均有不同程度地存在。
出处 《海峡预防医学杂志》 CAS 2009年第1期53-55,共3页 Strait Journal of Preventive Medicine
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