AUTHOR=Calabuig-Serna Antonio , Mir Ricardo , Sancho-Oviedo Daniel , Arjona-Mudarra Paloma , SeguĂ­-Simarro Jose M. TITLE=Calcium levels modulate embryo yield in Brassica napus microspore embryogenesis JOURNAL=Frontiers in Plant Science VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2024.1512500 DOI=10.3389/fpls.2024.1512500 ISSN=1664-462X