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The Type III Secretion System of Pathogenic Escherichia coli

  • Sabrina L. Slater
  • Agnes M. Sågfors
  • Dominic J. Pollard
  • David Ruano-Gallego
  • Gad Frankel
Chapter
Part of the Current Topics in Microbiology and Immunology book series

Abstract

Infection with enteropathogenic and enterohaemorrhagic Escherichia coli (EPEC and EHEC), enteroinvasive E. coli (EIEC) and Shigella relies on the elaboration of a type III secretion system (T3SS). Few strains also encode a second T3SS, named ETT2. Through the integration of coordinated intracellular and extracellular cues, the modular T3SS is assembled within the bacterial cell wall, as well as the plasma membrane of the host cell. As such, the T3SS serves as a conduit, allowing the chaperone-regulated translocation of effector proteins directly into the host cytosol to subvert eukaryotic cell processes. Recent technological advances revealed high structural resolution of the T3SS apparatus and how it could be exploited to treat enteric disease. This chapter summarises the current knowledge of the structure and function of the E. coli T3SSs.

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Sabrina L. Slater
    • 1
  • Agnes M. Sågfors
    • 1
  • Dominic J. Pollard
    • 1
  • David Ruano-Gallego
    • 1
  • Gad Frankel
    • 1
  1. 1.Department of Life SciencesMRC Centre for Molecular Bacteriology and Infection, Imperial College LondonLondonUK

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