Towards capture of dynamic assembly and action of the T3SS at near atomic resolution.

Clicks: 389
ID: 84009
2019
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Abstract
The T3SS is a syringe-shaped nanomachine essential for the progression of many Gram-negative bacterial infections including plague, typhoid fever, and dysentery. It spans both bacterial membranes and that of the host allowing delivery of proteins that modulate cell function to aid bacterial survival. Its structure has been the focus of scrutiny for 20 years; however, limitations in purification and structure determination techniques have restricted understanding to atomic structures of individual components and subcomplexes or lower resolution information of the more complete assembly. The recent cryo-EM resolution revolution has facilitated dramatic advances in our structural understanding of the T3SS with complimentary techniques of single particle cryo-EM and cryo-ET revealing structures of isolated complexes to near-atomic resolutions or the architecture of the entire T3SS in its native cellular environment. Here we present an overview of these advances and discuss how these structures further understanding of the dynamic process of injectisome assembly.
Reference Key
hu2019towardscurrent Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Hu, Jinhong;Worrall, Liam J;Strynadka, Natalie Cj;
Journal current opinion in structural biology
Year 2019
DOI
S0959-440X(19)30115-0
URL
Keywords
inflammation salmonella typhoid adhesion epithelial cells

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