Characteristics of an ethidium efflux system in Enterococcus hirae

M Midgley1

  • 1Department of Applied Biology, University of Hull, UK.

Summary

Enterococcus hirae ATCC 9790 possesses an energy-dependent efflux system for ethidium and related cations. This system, inducible by phosphonium ions, was studied in mutants exhibiting constitutive expression and ethidium resistance.