Article
Cloning of the ethidium efflux gene from Escherichia coli.
FEMS microbiology letters - 1 Mar 1990
Purewal A S, Jones I G, Midgley M
Abstract excerpt
The gene specifying the ethidium efflux system of Escherichia coli has been cloned on a 3.2 kbp HindIII fragment and located on a 1.2 kbp fragment within this. Cross-resistance studies indicate that the system has a broad specificity for monovalent cations and the gene shows no hybridisation with similar genes found in Staphylococci.
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