Escherichia coli O157:H7 strains that persist in feedlot cattle are genetically related and demonstrate an enhanced ability to adhere to intestinal epithelial cells. - Carlson BA; Nightingale KK; Mason GL; Ruby JR; Choat WT; Loneragan GH; Smith GC; Sofos JN; Belk KE (Applied and environmental microbiology, 2009)