Hydrophilic domain II of Escherichia coli Dr fimbriae facilitates cell invasion. by Das, M, Hart-Van Tassell, A, Urvil, P, Lea, S, Pettigrew, D, Anderson, K, Samet, A, Kur, J, Matthews, S, Nowicki, S, Popov, V, Goluszko, P, Nowicki, B