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.
H. pylori SS1 lacking motB is flagellated. Electron micrographs of SS1, stained with phosphotungstate. (A) Wild-type SS1; (B) SS1 ΔmotB; (C) SS1 motB::cat. Flagella are visible in all samples; one filament in each panel is marked with an arrowhead.
