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. 1998 Nov 16;188(10):1907–1916. doi: 10.1084/jem.188.10.1907

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Scanning electron micrographs of the ileal villi infected with REPEC O103 (A–C), AAF004 (D), and AAF005 (E). REPEC O103, AAF004 (EspA⁻), and AAF005 (EspB⁻) adhered to the villi, and the adherence pattern is similar between wild-type and mutant strains. However, embedded bacteria as indicated by an arrow (B) and cup-like structures (C) were observed only in rabbits infected with REPEC O103. Ileal sections were taken 72 h (for REPEC O103 and AAF005) and 96 h (for AAF004) after infection. Bar, 4 μm.

Scanning electron micrographs of the ileal villi infected with REPEC O103 (A–C), AAF004 (D), and AAF005 (E). REPEC O103, AAF004 (EspA⁻), and AAF005 (EspB⁻) adhered to the villi, and the adherence pattern is similar between wild-type and mutant strains. However, embedded bacteria as indicated by an arrow (B) and cup-like structures (C) were observed only in rabbits infected with REPEC O103. Ileal sections were taken 72 h (for REPEC O103 and AAF005) and 96 h (for AAF004) after infection. Bar, 4 μm.