Jalaluddin Sheikh, John R. Czeczulin, Susan Harrington, Susan Hicks, Ian R. Henderson, Chantal Le Bouguénec, Pierre Gounon, Alan Phillips, James P. Nataro
In vitro organ culture assay of 042 (a) and 042aap (b). Bacterial cultures were incubated with colonic biopsies from normal children for 6 hours; then specimens were fixed, stained, and examined by scanning electron microscopy. White arrows (a) denote loose adherence of 042; gray arrows (b) show tight aggregates typical of 042aap. Bars, 10 μm.