Chromosome StabilityProject reference: 220434
Funded under :
Molecular mechanism of separase dependent PP2ACdc55 downregulation
Total cost:EUR 169 390,93
EU contribution:EUR 169 390,93
Coordinated in:United Kingdom
Topic(s):PEOPLE-2007-2-1.IEF - Marie Curie Action: "Intra-European Fellowships for Career Development"
Call for proposal:FP7-PEOPLE-2007-2-1-IEFSee other projects for this call
Funding scheme:MC-IEF - Intra-European Fellowships (IEF)
Activation of the protease separase at anaphase onset leads to cleavage of cohesin, thereby triggering chromosome segragation. At the same time, an essential protease-independent function of separase promotes cell cycle progression out of mitosis. In the host laboratory it has been recently shown that separase interacts with the Cdc55 isoform of protein phosphatase 2A (PP2ACdc55) at anaphase onset, downregulating it (Queralt et al. 2006). However, the molecular nature of this non-proteolytic activity of separase and how it mediates PP2ACdc55 downregulation is still unknown. In this research project we propose to address the molecular mechanism by which separase downregulates PP2ACdc55 at anaphase onset.
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