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幽门螺杆菌耐甲硝唑基因分型与耐药性关系研究
引用本文:田拥军,胡国平,刘战利,熊汉华,张正茂,叶嗣颖.幽门螺杆菌耐甲硝唑基因分型与耐药性关系研究[J].中国微生态学杂志,2002,14(5):252-253.
作者姓名:田拥军  胡国平  刘战利  熊汉华  张正茂  叶嗣颖
作者单位:1. 华中科技大学同济医学院,病原生物系,湖北,武汉,430030
2. 黄河中心医院,功能科,河南,郑州,450003
3. 华中科技大学同济医学院附属协和医院,胃镜室,湖北,武汉,430030
基金项目:卫生部科学研究基金课题 (编号 :98- 1- 12 3)
摘    要:目的:了解幽门螺杆菌(Hp)对甲硝唑的耐药株状况,探讨耐甲硝唑基因分型与耐药性的关系。方法:分离培养Hp,以纸片扩散法检测Hp对甲硝唑的耐药性,再用PCR方法扩增甲硝唑耐药基因,用RFLP方法进行基因分型,最后比较基因型与耐药性的关系。结果:武汉地区人群Hp对甲硝唑耐药率为67%,耐药株基因型与耐药性有相关性。结论:可以以基因型鉴定Hp对甲硝唑的耐药性,此方法,稳定可靠。

关 键 词:幽门螺杆菌  耐甲硝唑基因分型  耐药性  PCR  RFLP
文章编号:1005-376X(2002)05-0252-02
修稿时间:2002年1月20日

THE RESEARCH OF THE RELATIONSHIP BETWEEN THE GENOTYPING AND THE METRONIDAZOLE RESISTANCE IN HELICOBACTER PYLORI
TIAN Yong jun,HU Guo ping,LIU Zhan li et al.THE RESEARCH OF THE RELATIONSHIP BETWEEN THE GENOTYPING AND THE METRONIDAZOLE RESISTANCE IN HELICOBACTER PYLORI[J].Chinese Journal of Microecology,2002,14(5):252-253.
Authors:TIAN Yong jun  HU Guo ping  LIU Zhan li
Abstract:Objective:To investigate the prevalence of metronidazole(Mtz) resistance and the relationship between the genotyping and the Mtz resistance in Helicobacter pylori. Methods:Mtz susceptibilties of 54 strains isolated from patients were determined by the disk diffusion method and genotyping of rdxA gene was made by PCR-RFLP method.Results:The prevalence of resistance to Mtz in Hp is high(67%) and there is significant relationship between genotyping and Mtz resistance.Conclusions:We can identify the Mtz resistance by the method of PCR-RFLP.The result is reliable.
Keywords:Helicobacter pylori  Resistance  PCR  RFLP
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