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.
Growth of L. monocytogenes in minimal defined medium lacking valine and/or supplemented with valine or valine-containing peptides. Wild-type or oppA bacteria were grown at 37°C, and the optical density (O.D.) at 600 nm was measured after 36 h of incubation. Controls include bacteria grown with valine (V) or without valine (−).
