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.
Reversed-phase HPLC chromatogram of the culture fluid of G. diazotrophicus wild-type PAl5 (a) and IAA− mutant strain MAd22 (b) after 4 days of growth. The cultures were grown in minimal medium (LGI) supplemented with 100 μg of Trp/ml. AU, absorption unit.
