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.
Light microscopic analysis of J774 cells infected with S. flexneri strains. Bacteria were left in contact with macrophages for 30 min and then treated with gentamicin-containing medium for another 50 min (A to C) or 2 h (D). Macrophages were stained with a modified Wright's stain after infection with 2457T (A), M4243A1 (B), or pWR700 (ΔipaH) (C and D). (E) J774 cells cultured in serum-free medium for 6 h showing apoptotic cells; (F) noninfected macrophages. Magnification, ×1,000.
