Interplay of flagellar motility and mucin degradation stimulates the association of Pseudomonas aeruginosa with human epithelial colorectal adenocarcinoma (Caco-2) cells.

Abstract excerpt

Pseudomonas aeruginosa can penetrate the extracellular mucin barrier formed by the intestinal epithelial cell layer and establish gut-derived sepsis in immunocompromised patients. We found that two efficient mechanisms, flagellar motility and mucin degradation, are needed for penetration of P. aeruginosa through the mucin barrier. Deletion of the flagellar motility-related gene, the filament protein gene fliC,...

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