CLPB and cystic fibrosis: The genes were chosen based on their putative functions and overexpression patterns in J2315 under CF conditions and include, ClpB protease-associated ATPase, curli production protein, ecotin biosynthesis protein, a multidrug resistance transport protein, phenazine biosynthesis protein; type-1 fimbrial protein, exported heme utilization protein, N-acylhomoserine lactone synthase, general secretory pathway protein F, TraE conjugative transfer protein.