Article
Vacuolar and plasma membrane proton pumps collaborate to achieve cytosolic pH homeostasis in yeast.
The Journal of biological chemistry - 18 Jul 2008
Martínez-Muñoz Gloria A, Kane Patricia
Abstract excerpt
Vacuolar proton-translocating ATPases (V-ATPases) play a central role in organelle acidification in all eukaryotic cells. To address the role of the yeast V-ATPase in vacuolar and cytosolic pH homeostasis, ratiometric pH-sensitive fluorophores specific for the vacuole or cytosol were introduced into wild-type cells and vma mutants, which lack V-ATPase subunits. Transiently glucose-deprived wild-type cells respond...
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