Genetic characterization of the mechanism by which certain strains of Escherichia coli survive in high kanamycin concentrations.

Abstract excerpt

By genetic studies, it was tried to find the mechanism by which a bacterial fraction from different isolated clinical cultures resistant to 25 micrograms/ml of kanamycin can grow in media containing 500 micrograms/ml of kanamycin (at a frequency of about 10(-5)). This study was done in six clinical isolates of Escherichia coli resistant to more than three antibiotics. The results from the bacterial fraction...

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