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Vacuolar and ER-Ca2+-ATPases regulate calcium dynamics during pollen tube growth in Arabidopsis thaliana.

Plant physiology - 2 Jun 2026

García Bossi Julián, Barberini María Laura, Grenzi Matteo, Tortora Giorgia, Santín Franco, Bassi Andrea, Goutman Juan, Obertello Mariana, Costa Alex, Estevez José M, Muschietti Jorge P

Abstract excerpt

Calcium (Ca2+) plays a pivotal role in plant reproduction. Pollen tubes exhibit polarized growth regulated, among other factors, by an apical oscillatory Ca2+ gradient. This gradient is controlled by the Ca2+ influx from the apoplast mediated by plasma membrane channels and the efflux from the cytosol to organelles and the apoplast, which is controlled by pumps and exchangers. Nevertheless, the precise mechanism...

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PMID: 42142879
DOI: 10.1093/plphys/kiag275

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026.

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Vacuolar and ER-Ca2+-ATPases regulate calcium dynamics during pollen tube growth in Arabidopsis thaliana.PMID 42142879Read ↗

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