ER-located Ca2+ ATPase ACA2 regulates Ca2+ cytoplasmic pool linked to root hair growth in Arabidopsis thaliana
Mariana Carignani Sardoy, Vinícius Cabral, Julián García Bossi, Stefano Buratti, Alessia Candeo, Giorgia Tortora, Paulina Ramirez Miranda, Cecilia Borassi, Victoria Berdion Gabarain, Javier Martinez Pacheco, Diana Rosa Rodríguez Garcia, Cristina Marino‐Buslje, Jorge Prometeo Muschietti, Andrea Bassi, Elke Barbez, , José M. Estevez
This study identifies ACA2 as an ER-localized Ca2+ ATPase essential for regulating cytoplasmic Ca2+ levels and root hair growth in Arabidopsis thaliana.
bioRxiv · Aug 14, 2026 · PreprintPlant Biology