The Na+,K+/H+ -antiporter Nha1 influences the plasma membrane potential of Saccharomyces cerevisiae.

@article{KinclovZimmermannov2006TheN,
  title={The Na+,K+/H+ -antiporter Nha1 influences the plasma membrane potential of Saccharomyces cerevisiae.},
  author={Olga Kinclov{\'a}-Zimmermannov{\'a} and Dana G{\'a}{\vs}kov{\'a} and Hana Sychrov{\'a}},
  journal={FEMS yeast research},
  year={2006},
  volume={6 5},
  pages={
          792-800
        }
}
There are three different sodium transport systems (Ena1-4p, Nha1p, Nhx1p) in Saccharomyces cerevisiae. The effect of their absence on the tolerance to alkali-metal cations and on the membrane potential was studied. All three sodium transporters were found to participate in the maintenance of Na+, Li+, K+ and Cs+ homeostasis. Measurements of the distribution of a fluorescent potentiometric probe (diS-C3(3) assay) in cell suspensions showed that the lack of all three transporters depolarizes the… CONTINUE READING

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