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J Bacteriol. 2000 Apr;182(8):2311-3.

A broad-specificity multidrug efflux pump requiring a pair of homologous SMR-type proteins.

Author information

  • 1Department of Biology, University of California at San Diego, La Jolla, California 92093-0116, USA.

Abstract

The Bacillus subtilis genome encodes seven homologues of the small multidrug resistance (SMR) family of drug efflux pumps. Six of these homologues are paired in three distinct operons, and coexpression in Escherichia coli of one such operon, ykkCD, but not expression of either ykkC or ykkD alone, gives rise to a broad specificity, multidrug-resistant phenotype including resistance to cationic, anionic, and neutral drugs.

PMID:
10735877
[PubMed - indexed for MEDLINE]
PMCID:
PMC111283
Free PMC Article
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