1. CytK is a pore-forming protein more related to other hemolysins . 2. It is also distinguished from classic biotypes by the production of hemolysins . 3. Hemolysins may also mediate bacterial escape from host cells.4. This ensures that hemolysin is produced only when needed. 5. Membrane-damaging toxins exhibit hemolysin or cytolysin activity " in vitro ". 6. As mentioned above, most hemolysins are protein compounds, but others are lipids biosurfactants. 7. Some water-soluble proteins and peptides can also form ?-hemolysin , has been determined. 8. Such transformations occur in pore forming toxins such as colicin A, alpha-hemolysin , and others. 9. Some hemolysins , such as listeriolysin O, allow bacteria to evade the immune system by escaping from phagosomes. 10. Several virulence factors contribute to the pathogenesis of GAS, such as M protein, hemolysins , and extracellular enzymes.
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