Human NKCC2 cation-Cl- co-transporter complements lack of Vhc1 transporter in yeast vacuolar membranes

Silvia Petrezselyova, Angel Dominguez, Pavla Herynkova, Juan F. Macias, Hana Sychrova

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    2 Citations (Scopus)


    Cation-chloride co-transporters serve to transport Cl- and alkali metal cations. Whereas a large family of these exists in higher eukaryotes, yeasts only possess one cation-chloride co-transporter, Vhc1, localized to the vacuolar membrane. In this study, the human cation-chloride co-transporter NKCC2 complemented the phenotype of VHC1 deletion in Saccharomyces cerevisiae and its activity controlled the growth of salt-sensitive yeast cells in the presence of high KCl, NaCl and LiCl. A S. cerevisiae mutant lacking plasma-membrane alkali-metal cation exporters Nha1 and Ena1-5 and the vacuolar cation-chloride co-transporter Vhc1 is highly sensitive to increased concentrations of alkali-metal cations, and it proved to be a suitable model for characterizing the substrate specificity and transport activity of human wild-type and mutated cation-chloride co-transporters. Copyright © 2013 John Wiley & Sons, Ltd. Copyright © 2013 John Wiley & Sons, Ltd. 30 10 October 2013 10.1002/yea.2976 Research Article Research Articles Copyright © 2013 John Wiley & Sons, Ltd.
    Original languageEnglish
    Pages (from-to)395-402
    Issue number10
    Publication statusPublished - 1 Oct 2013


    • Alkali-metal cation tolerance
    • CCC family
    • Heterologous expression
    • Ion homeostasis
    • Saccharomyces cerevisiae

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