Growth in iron-enriched medium partially compensates Escherichia coli for the lack of manganese and iron superoxide dismutase.

Abstract excerpt

Enrichment of the growth medium with iron partially relieves the phenotypic deficits imposed on Escherichia coli by lack of both manganese and iron superoxide dismutases. Thus iron supplementation increased the aerobic growth rate, decreased the leakage of sulfite, and diminished sensitivity toward paraquat. Iron supplementation increased the activities of several [4Fe-4S]-containing dehydratases, and this was...

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