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Updated: Jul 14, 2026
12:27
Quantifying the Cytotoxicity of Staphylococcus aureus Against Human Polymorphonuclear Leukocytes
Published on: January 3, 2020
[Molecular mechanisms of cytotoxic effect of alpha-toxin of Staphylococcus aureus]
Zhurnal Mikrobiologii, Epidemiologii I Immunobiologii
|May 26, 2007
Abstract:
Mechanism of action of Staphylococcus aureus alpha-toxin has been reviewed. Data about molecular transformations during cytolytic action, dimensional structure of monomeric and oligomeric toxin, its characteristics in different molecular states are presented. Data about defects of oligomerization due to modification or site-induced mutagenesis are discussed.
Insights
Staphylococcus aureus alpha-toxin
Area of Science:
- Microbiology
- Molecular Biology
- Biochemistry
Context:
- Staphylococcus aureus is a significant human pathogen.
- Alpha-toxin (α-toxin) is a major virulence factor of S. aureus.
- Understanding toxin mechanisms is crucial for developing therapeutics.
Purpose:
- To review the mechanism of action of Staphylococcus aureus alpha-toxin.
- To present data on the molecular transformations during cytolytic action.
- To discuss oligomerization defects and their implications.
Summary:
- This review details the mechanism of action of Staphylococcus aureus alpha-toxin.
- It covers molecular changes during cytolysis, the structural characteristics of the toxin in monomeric and oligomeric forms, and its behavior in various molecular states.
- Additionally, it examines how modifications or site-directed mutagenesis affect oligomerization.
Impact:
- Provides a comprehensive overview of alpha-toxin's cytolytic mechanism.
- Highlights structural insights into toxin function and dysfunction.
- Informs strategies for targeting S. aureus virulence factors.
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