Chloroplast envelope K+/H+ antiporters are involved in cytosol pH regulation
María Pilar Rodríguez‐Rosales,
Lourdes Rubio,
Jesper Torbol Pedersen
et al.
Abstract:Variations in light intensity induce cytosol pH changes in photosynthetic tissues, providing a possible signal to adjust a variety of biochemical, physiological and developmental processes to the energy status of the cells. It was shown that these pH changes are partially due to the transport of protons in or out of the thylakoid lumen. However, the ion transporters in the chloroplast that transmit these pH changes to the cytosol are not known. KEA1 and KEA2 are K+/H+ antiporters in the chloroplast inner envel… Show more
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