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蛋制品中沙门氏菌的PCR及实时荧光PCR检测方法

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摘要 研究针对蛋制品中沙门氏菌的检测开发了一种快速灵敏的PCR检测方法。研究方法采用煮沸法提取样品DNA,运用PCR方法筛查样品中的沙门氏菌基因成分。根据沙门氏菌基因组中的保守序列设计特异性引物与探针,PCR扩增结果表明,阳性样品扩增获得的序列与Genebank中沙门氏菌的基因序列完全匹配。采用实时PCR检测方法可检出浓度低至1.57×10-5μg.μL-1的沙门氏菌DNA,检测时间少于24 h,对比常规的微生物培养方法,该方法显著地提高了检测速度。研究方法具有特异性强、灵敏度高等优点,可以广泛应用于蛋制品及相关食品中沙门氏菌的高通量筛查检测。
作者 陈筱婷
出处 《福建轻纺》 2015年第7期25-29,共5页 The Light & Textile Industries of Fujian
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参考文献20

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