Invasion of Endothelial Cells by Tissue-invasive M3 Type Group A Streptococci Requires Src Kinase and Activation of Rac1 by a Phosphatidylinositol 3-Kinase-independent Mechanism

Streptococcus pyogenes can cause invasive diseases in humans, such as sepsis or necrotizing fasciitis. Among the various M serotypes of group A streptococci (GAS), M3 GAS lacks the major epithelial invasins SfbI/PrtF1 and M1 protein but has a high potential to cause invasive disease. We examined the...

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