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Escherichia coli mutants with altered cation recognition by the melibiose carrier.

By S Shiota, H Yazyu and T Tsuchiya

Abstract

Revertants that showed normal cation recognition for melibiose transport were isolated from mutants with altered cation recognition (W3133-2S and W3133-2T) of Escherichia coli. Although the original two mutants possessed a second alteration, an increased activity of the Na+(Li+)/H+ antiporter, the revertants, which possessed the normal melibiose carrier, still showed altered properties of the Na+(Li+)/H+ antiporter. These results support the view that the alterations in the melibiose carrier and in the Na+(Li+)/H+ antiporter, observed in the mutants, are not genetically linked

Topics: Research Article
Year: 1984
OAI identifier: oai:pubmedcentral.nih.gov:214741
Provided by: PubMed Central
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