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 phenotypes of various mutants of N. meningitidis by disk assay on iron restriction plates. (A) Phenotypes of mutants grown in the presence of heme and hemoglobin are shown. (B) Complementation of ght. The phenotypes of ght strains carrying complementing plasmids with and without IPTG grown in the presence of heme are shown.
