Cortactin is essential for F-actin assembly in enteropathogenic Escherichia coli (EPEC)- and enterohaemorrhagic E. coli (EHEC)-induced pedestals and the alpha-helical region is involved in the localization of cortactin to bacterial attachment sites.

Abstract excerpt

Enteropathogenic Escherichia coli (EPEC) and enterohaemorrhagic E. coli (EHEC) are important human pathogens. Upon attachment to host cells, EPEC and EHEC are able to induce actin polymerization, which accumulates, forming a pedestal-like structure beneath the attached bacteria. Using siRNA, we show here that EPEC- and EHEC-induced pedestals are dependent on cortactin, an F-actin-binding protein found in the...

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