空肠弯曲杆菌毒力与TCS和调节因子的研究进展
  • ISSN:3080-4302
  • DOI:10.64090/3080-4302.202608442
  • 出版频率:月刊
  • 语言:中文
  • 收录数据库:Crossref

空肠弯曲杆菌毒力与TCS和调节因子的研究进展

余小融1 ;王佳琪1; 谭诗谕1 ; 宾晓芸2,3 ;王长丽2,3(通讯作者)

1.右江民族医学院临床医学院,广西 百色 533000 2.右江民族医学院基础医学院,广西 百色 533000 3.广西少数民族人类学研究重点实验室,广西 百色 533000

摘要:空肠弯曲杆菌(Campylobacter jejuni)是主要导致细菌性腹泻的病原菌。了解导致空肠弯曲杆菌体内双组分信号转导系统(Two-component systems, TCS)对外界环境变化做出适应性反应的过程和毒力因素有助于诊断与防治空肠弯曲杆菌感染。有报道表明:双组分信号转导系统,即双组分系统(TCS)与无明显同源性组氨酸激酶(HK)的单一调节因子(RR)是细菌适应周围复杂环境和发挥毒力作用的重要调控因子。TCS影响细菌的运动(FlgSR)、定植(DccRS)、营养获取(PhosSR和BumSR)和应激反应(RacRS)。单一调节因子参与胆汁抵抗(CbrR)和氧化应激反应(CosR)。目前关于空肠弯曲杆菌TCS鲜有报道。该文主要详述空肠弯曲杆菌的种类、功能,以及单一调控因子对该菌毒力、生存的影响调节机制。重点围绕空肠弯曲杆菌体内TCS间的信号交流以及与其单一调控因子关系进行探讨,以期进一步探索该菌体内TCS的未知机理,为该菌的诊断与防治提供新的见解。

关键词:空肠弯曲杆菌;双组分信号转导系统;毒力;致病机制;定植

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