manipulation of intestinal epithelial cell function by the cell contact-dependent type iii secretion systems of vibrio parahaemolyticus

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ID: 244579
2014
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Abstract
Vibrio parahaemolyticus elicits gastroenteritis by deploying Type III Secretion Systems (TTSS) to deliver effector proteins into epithelial cells of the human intestinal tract. The bacteria must adhere to the human cells to allow colonization and operation of the TTSS translocation apparatus bridging the bacterium and the host cell. This article first reviews recent advances in identifying the molecules responsible for intercellular adherence. V. parahaemolyticus possesses two TTSS, each of which delivers an exclusive set of effectors and mediates unique effects on the host cell. TTSS effectors primarily target and alter the activation status of host cell signalling proteins, thereby bringing about changes in the regulation of cellular behaviour. TTSS1 is responsible for the cytotoxicity of V. parahaemolyticus, while TTSS2 is necessary for the enterotoxicity of the pathogen. Recent publications have elucidated the function of several TTSS effectors and their importance in the virulence of the bacterium. This review will explore the ability of the TTSS to manipulate activities of human intestinal cells and how this modification of cell function favours bacterial colonization and persistence of V. parahaemolyticus in the host.
Reference Key
eo'boyle2014frontiersmanipulation Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Nicky eO'Boyle;Aoife eBoyd
Journal electronic physician
Year 2014
DOI
10.3389/fcimb.2013.00114
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