...Dennis Brown; Sylvie Breton ABSTRACT Many vertebrate transporting epithelia contain characteristic ‘mitochondria-rich’ cells that express high levels of a vacuolar proton-pumping ATPase (H + V-ATPase) on their plasma membrane and on intracellular vesicles. In the kidney cortex, A-cells and B-cells...

... high expression of a vacuolar-type proton-pumping ATPase (H + V-ATPase) both on intracellular vesicles and on specific domains of their plasma membrane. Physiological modulation of proton secretion is achieved by recycling the H + V-ATPase between the plasma membrane and the cytoplasm in a novel type...