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Updated: Jul 7, 2026

Live Imaging Assay for Assessing the Roles of Ca2+ and Sphingomyelinase in the Repair of Pore-forming Toxin Wounds
Published on: August 25, 2013
Pore formation: an ancient yet complex form of attack.
Ioan Iacovache1, F Gisou van der Goot, Lucile Pernot
1Global Health Institute, Ecole Polytechnique Fédérale de Lausanne, Faculty of Life Sciences, Station 15, Lausanne, Switzerland.
Pore-forming toxins (PFTs) are sophisticated virulence factors used by various organisms. This review details how these toxins transition from soluble forms to transmembrane proteins, forming pores in target cells.
Area of Science:
- Microbiology and Molecular Biology
- Biochemistry
- Cell Biology
Background:
- Pore-forming toxins (PFTs) are crucial virulence factors in bacteria and higher organisms.
- These toxins exhibit a remarkable ability to transition from a soluble state to integral membrane proteins.
Purpose of the Study:
- To review the mechanisms of pore-forming toxins (PFTs).
- To elucidate the conformational changes and sequence of events involved in PFT-mediated cell attack.
Main Methods:
- This review synthesizes existing research on PFTs.
- It focuses on the molecular mechanisms of toxin-host interaction.
Main Results:
- PFTs bind to host cell surfaces.
- They undergo conformational changes to penetrate cell membranes.
- PFTs ultimately form pores within the target cell membrane.
Conclusions:
- Understanding PFTs is key to comprehending host-pathogen interactions.
- The review highlights the dynamic nature of PFTs during cellular invasion.
- Further research into PFTs can inform therapeutic strategies against infections.
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