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.
Iron nutrition bioassay. The medium was seeded with S. meliloti 102F34, carrying plasmids pPOC4 and pPOC5. Ferric chloride (100 mM) was added to the top well, a test solution containing rhizobactin 1021 was added to the well on the left, and a test solution lacking rhizobactin 1021 was added to the well on the right.
