Fluorometric determination of ethidium bromide efflux kinetics in Escherichia coli
Journal of biological engineering(2009)
摘要
Efflux pump activity has been associated with multidrug resistance phenotypes in bacteria, compromising the effectiveness of antimicrobial therapy. The development of methods for the early detection and quantification of drug transport across the bacterial cell wall is a tool essential to understand and overcome this type of drug resistance mechanism. This approach was developed to study the transport of the efflux pump substrate ethidium bromide (EtBr) across the cell envelope of Escherichia coli K-12 and derivatives, differing in the expression of their efflux systems.
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关键词
Phosphate Buffer Solution,Efflux Pump,EtBr,Efflux Rate,Efflux System
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