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铜绿假单胞菌Ⅲ型分泌系统结构及调控机制的研究进展 被引量:3

Research updates on the structure and regulatory mechanism of type Ⅲ secretion system in Pseudomonas aeruginosa
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摘要 铜绿假单胞菌为条件致病菌,是医院感染最常见的病原体之一[1]。铜绿假单胞菌的毒力分泌系统共有5型,即Ⅰ、Ⅱ、Ⅲ、Ⅴ、Ⅵ型。细菌可以通过毒力分泌系统适应生存环境、向宿主细胞注入毒力因子、逃避宿主细胞的吞噬等,以此达到生存、复制、感染、传播的目的[2]。目前,普遍认为Ⅲ型分泌系统(TypeⅢsecretion system,T3SS)与铜绿假单胞菌急性感染密切相关,是铜绿假单胞菌感染宿主细胞并致病的最关键、最复杂的毒力系统[3]。
作者 张鸿 陈炜 ZHANG Hong;CHEN Wei(Department of Hospital Infection Control,the Second Affiliated Hospital of Army Medical University,Chongqing 400037,China)
出处 《中国感染与化疗杂志》 CAS CSCD 北大核心 2020年第3期335-339,共5页 Chinese Journal of Infection and Chemotherapy
基金 国家自然科学基金项目面上项目(31872634) 国家自然科学基金青年科学基金项目(31700129) 重庆市科卫联合医学科研项目(2018MSXM130)。
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  • 1Gambello MJ, Iglewski BH. Cloning and characterization of the Pseudomonas aeruginosa lasR gene, a transcriptional activator of elastase expression. Journal of bacteriology, 1991,173:3000 - 3009.
  • 2Pearson JP, Passador L, Iglewski BH, et al. A second N- acylhomoserine lactone signal produced by Pseudomonas aeruginosa . Proceedings of the National Academy of Sciences, 1995,92 : 1490 - 1494.
  • 3Diggle SP, Cornelis P, Williams P, et al. 4-quinolone signalling in Pseudomonas aeruginosa: old molecules, new perspectives. International Journal of Medical Microbiology, 2006a, 296 : 83 - 91.
  • 4Deziel E, Lepine F, Milot S, et al. Analysis of Pseudomonas aeruginosa 4-hydroxy-2-alkylquinolines ( HAQs ) reveals a role for 4- hydroxy-2- heptylquinoline in cell-tocell communication. Proceedings of the National Academy of Sciences ,2004,101 : 1339 - 1344.
  • 5Diggle SP, Winzer K, Chhabra SR, et al. The Pseudomonas aeruginosa quinolone signal molecule overcomes the cell density-dependency of the quorum sensing hierarchy, regulates rhl-dependent genes at the onset of stationary phase and can be produced in the absence of LasR. Molecular Microbiology, 2003,50 : 29 - 43.
  • 6McGrath S, Wade DS, Pesci EC. Dueling quorum sensing systems in Pseudomonas aeruginosa control the production of the Pseudomonas quinolone signal ( PQS ). FEMS Microbiology Letters, 2004,230 : 27 - 34.
  • 7Frank DW. The exoenzyme S regulon of Pseudomonas aeruginosa. Molecular Microbiology, 1997, 26 : 621 - 629.
  • 8Vallis AJ, Yahr TL, Barbieri JT, et al. Regulation of ExoS production and secretion by Pseudomonas aeruginosa in response to tissue culture conditions. Infection and immunity, 1999,67:914 - 920.
  • 9Hogardt M, Roeder M, Schreff AM, et al. Expression of Pseudomonas aeruginosa exoS is controlled by quorum sensing and RpoS. Microbiology ,2004,150:843 - 851.
  • 10Bleves S, Soscia C, Nogueira-Orlandi P, et al. Quorum sensing negatively controls type Ⅲ secretion regulon expression in Pseudomonas aeruginosa PAO1. Journal of bacteriology ,2005,187:3898 - 3902.

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