Fig 8.
Transmission electron micrographs of sections of rabbit ileum 7 days after inoculation with E. coli E22 (wild type) (A), an isogenic T2SS (ΔgspK) mutant (B), or an isogenic sslE mutant (C). Note the characteristic attaching and effacing lesions caused by all three strains. Original magnification, ×14,000.