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Transient changes in the cellular concentration of calcium ions function as a versatile signal. Plants cells differ from animal cells, as they contain a large central vacuole with relatively high calcium levels. Nevertheless, the role of the vacuole in the formation of calcium signals is not well understood. We found that changes in the voltage difference across the vacuolar membrane caused rapid and large changes in the calcium concentration of plant cells and propose a molecular mechanism that explains this phenomenon.

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This page is a summary of: A voltage‐dependent Ca 2+ homeostat operates in the plant vacuolar membrane, New Phytologist, March 2021, Wiley,
DOI: 10.1111/nph.17272.
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