北京市昌平区食源性单增李斯特菌特征分析

牛桓彩 吴杨 舒高林 刘毅 马文军 李东迅

牛桓彩, 吴杨, 舒高林, 刘毅, 马文军, 李东迅. 北京市昌平区食源性单增李斯特菌特征分析[J]. 疾病监测, 2018, 33(6): 463-468. doi: 10.3784/j.issn.1003-9961.2018.06.006
引用本文: 牛桓彩, 吴杨, 舒高林, 刘毅, 马文军, 李东迅. 北京市昌平区食源性单增李斯特菌特征分析[J]. 疾病监测, 2018, 33(6): 463-468. doi: 10.3784/j.issn.1003-9961.2018.06.006
Niu Huancai, Wu Yang, Shu Gaolin, Liu Yi, Ma Wenjun, Li Dongxun. Characteristics of Listeria monocytogenes isolated from foods in Changping district of Beijing[J]. Disease Surveillance, 2018, 33(6): 463-468. doi: 10.3784/j.issn.1003-9961.2018.06.006
Citation: Niu Huancai, Wu Yang, Shu Gaolin, Liu Yi, Ma Wenjun, Li Dongxun. Characteristics of Listeria monocytogenes isolated from foods in Changping district of Beijing[J]. Disease Surveillance, 2018, 33(6): 463-468. doi: 10.3784/j.issn.1003-9961.2018.06.006

北京市昌平区食源性单增李斯特菌特征分析

doi: 10.3784/j.issn.1003-9961.2018.06.006
基金项目: 

北京市科技计划(No.D161100002116003)

详细信息
    作者简介:

    牛桓彩,女,北京市昌平区人,主任技师,主要从事微生物检验工作

  • 中图分类号: R378.99+4

Characteristics of Listeria monocytogenes isolated from foods in Changping district of Beijing

Funds: 

This study was supported by the fund for the Science and Technology Plan of Beijing Municipality (No. D161100002116003)

  • 摘要: 目的 了解北京市昌平区食源性单增李斯特菌(Lm)的毒力基因携带情况、抗生素敏感性及分子特征。方法 对2010-2016年12类食品中分离的22株Lm进行血清型、毒力基因、抗生素敏感性、多位点序列分型(MLST)和脉冲场凝胶电泳(PFGE)分析。结果 22株Lm分为5种血清型(以1/2c、3a血清型为主);19种毒力基因携带谱(T1~T19),毒力基因阳性数为6~12个;对氨苄西林、青霉素、美罗培南、复方新诺明、万古霉素和环丙沙星敏感,出现对四环素、红霉素耐药菌株;分为8个序列型(ST)(包括7个新型STA1~STA7),STA3为主要型别;分为17种PFGE带型,其相似系数为63.5%~100.0%,PTⅠ为主要PFGE带型。结论 昌平区食源性Lm以1/2c、3a血清型为主,STA3为主要型别,PTⅠ为主要PFGE带型,其毒力基因的携带具有差异性,出现对四环素、红霉素耐药株,为食源性Lm的研究提供了参考。
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  • 18-0210北京市昌平区食品中单核细胞增生李斯特菌毒力基因、耐药性及分子特征分析.pdf
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  • 收稿日期:  2018-04-25

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