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. 2014 Jul 21;20(27):8751–8763. doi: 10.3748/wjg.v20.i27.8751

Figure 4.

Figure 4

Transmission electron micrograph of adherent, invasive Escherichia coli within macrophages1. A: Crohn’s disease colonic mucosa-associated isolate HM605 surviving and replicating within vesicles of J774-A1 murine macrophages; B: Double membrane around intra-macrophage vesicle indicates bacteria are contained within phagolysosomes (arrow). 1Images courtesy of Dr. Carol L Roberts (University of Liverpool, United Kingdom).