Abstract
Efflux pumps are the major determinants in bacterial multidrug resistance. In Gram-negative bacteria, efflux transporters are organized as macromolecular tripartite machineries that span the two-membrane cell envelope of the bacterium. Biochemical data on purified proteins are essential to draw a mechanistic picture of this highly dynamical, multicomponent, efflux system. We describe protocols for the reconstitution and the in vitro study of transporters belonging to RND and ABC superfamilies: the AcrAB–TolC and MacAB–TolC efflux systems from Escherichia coli and the MexAB–OprM efflux pump from Pseudomonas aeruginosa.
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Picard, M., Tikhonova, E.B., Broutin, I., Lu, S., Verchère, A., Zgurskaya, H.I. (2018). Biochemical Reconstitution and Characterization of Multicomponent Drug Efflux Transporters. In: Yamaguchi, A., Nishino, K. (eds) Bacterial Multidrug Exporters. Methods in Molecular Biology, vol 1700. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-7454-2_8
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DOI: https://doi.org/10.1007/978-1-4939-7454-2_8
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