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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Involvement of Nha1 antiporter in regulation of intracellular pH in Saccharomyces cerevisiae.

The Nha1 antiporter is involved in regulation of intracellular pH in Saccharomyces cerevisiae. We report that deletion of the NHA1 gene resulted in an increase of cytoplasmic pH in cells suspended in water or acidic buffers. Addition of KCl or NaCl to exponentially growing cells lowered the internal pH but the difference between cells with or without NHA1 was maintained. Addition of KCl to starved cells resulted in much higher alkalinization of cytoplasmic pH in a strain lacking Nha1p compared to the wild-type or Nha1p-overexpressing strains. The H+/K+(Na+) exchange mechanism of Nha1p was confirmed in reconstituted plasma membrane vesicles.[1]

References

  1. Involvement of Nha1 antiporter in regulation of intracellular pH in Saccharomyces cerevisiae. Sychrová, H., Ramírez, J., Peña, A. FEMS Microbiol. Lett. (1999) [Pubmed]
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