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.
Inhibition of hygromycin A production by N-(phosphonomethyl)-glycine can be overcome by addition of exogenous 4-hydroxybenzoic acid. Circles, control fermentation; squares, addition of inhibitor at 24 h; triangles, addition of inhibitor and exogenous 4-hydroxybenzoic acid at 24 h. See the text for details.
