The production of H+ because of glucose metabolism leads to a reduction
in cytosolic pH. The pH reduction is counteracted (allowing
the cell to reach pH homeostasis) by the activation of plasma membrane
H+-ATPase that pumps H+ out of the cell and of vacuolar H+-ATPase
that pumps H+ into the vacuole.
glucose treatment of S. cerevisiae leads to
H+-ATPase activation through the dissociation of the AcTub/H+-ATPase
Complex.