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Loss of function mutation in the yeast multiple drug resistance gene PDR5 causes a reduction in chloramphenicol efflux.

By P J Leonard, P K Rathod and J Golin


The yeast (Saccharomyces cerevisiae) PDR5 gene product encodes a 160-kDa protein related to the large ABC family of transporters, including the human MDR1 multidrug resistance p-glycoprotein. Loss of function mutations in PDR5 result in chloramphenicol hypersensitivity. A pdr5::Tn5 loss of function mutant exhibits a markedly impaired efflux of chloramphenicol compared with that of an isogenic PDR5 (wild-type) control

Topics: Research Article
Year: 1994
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Provided by: PubMed Central
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