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. 2016 Mar 24;84(4):1112–1122. doi: 10.1128/IAI.01001-15

FIG 6.

FIG 6

TEM immunostaining analyses of Caco-2 cells incubated with purified FliD. (A) In the bottom right corner is a higher magnification of a microvillus tip with bound gold particles (arrows). (B) Nanoparticles were not observed in cell monolayers not treated with FliD protein.