Chromosomal genes for ColV plasmid-determined iron(III)-aerobactin transport in Escherichia coli.


Four chromosomal genes, tonA (fhuA), fhuB, tonB, and exbB, were required for the transport of iron(III)-aerobactin specified by the plasmids ColV-K311, ColV-K229, ColV-K328, and ColV-K30. These genes also determine the transport system in Escherichia coli for the iron ionophore ferrichrome. Aerobactin and ferrichrome are both iron ligands of the hydroxamate… (More)


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