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Cell Cycle in Ascidian Eggs and Embryos

Archive ouverte | Mcdougall, Alex | CCSD

International audience. In ascidians the cell cycle machinery has been studied mainly in oocytes while ascidian embryos have been used to dissect the mechanism that controls asymmetric cell division (ACD). Here we o...

Release from meiotic arrest in ascidian eggs requires the activity of two phosphatases but not CaMKII

Archive ouverte | Levasseur, Mark | CCSD

International audience. The fertilising sperm triggers a transient Ca2+ increase that releases eggs from cell cycle arrest in the vast majority of animal eggs. In vertebrate eggs, Erp1, an APC/C-cdc20 inhibitor, lin...

Role of PB1 Midbody Remnant Creating Tethered Polar Bodies during Meiosis II

Archive ouverte | Mcdougall, Alex | CCSD

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