Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Barrier permeability micrographs of 7-day C. rodentium infections. Phase images of 7-day ΔescN C. rodentium (ΔescN CR)-infected and 7-day wild-type C. rodentium (WT CR)-infected tissue pretreated with a biotin tracer to assess barrier permeability. Biotin is held to the luminal border in ΔescN C. rodentium-infected tissue but permeates the epithelium into the lamina propria in 7-day wild-type C. rodentium-infected tissue. Scale bar, 50 μm.
