Obiettivo The ESCRT machinery is a multi-protein complex involved in membrane constriction and fission in a variety of processes in cells including receptor degradation, viral budding and cytokinesis. The mechanism by which ESCRT proteins drive membrane fission in cells is still largely unknown. Using super resolution fluorescence microscopy and quantitative live cells imaging I have recently mapped the spatiotemporal organization of ESCRTs in cytokinesis. The results identified a sequential recruitment of ESCRT proteins into a series of partially overlapping cortical ring structures and indicated the ESCRT machinery as the driving force for the membrane cleavage event required for cell separation. This work highlighted the advantage of using cytokinesis as a model system for studying ESCRT mediated membrane fission in a physiologically relevant context. In the proposed project I aim to elucidate how ESCRT function is regulated in cytokinesis in order to unravel the mechanism by which ESCRT proteins drive membrane fission in cells. Using super resolution imaging and quantitative live cell imaging of ESCRT proteins in genetically manipulated cells I will identify factors that regulate ESCRT function in cytokinesis and determine their effect on the spatiotemporal organization of ESCRTs in cytokinesis. Unraveling the regulatory basis for ESCRT function will underlie fundamental steps in the ESCRT pathway required for driving membrane fission in cytokinesis and will contribute critical information for understanding the mechanistic basis for ESCRT mediated membrane fission. The results of this work will have great implication to other ESCRT mediated cellular events including receptor degradation and viral budding. Campo scientifico natural sciencesbiological sciencesbiochemistrybiomoleculesproteinsnatural sciencesphysical sciencesopticsmicroscopynatural scienceschemical sciencesorganic chemistryheterocyclic compounds Programma(i) FP7-PEOPLE - Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013) Argomento(i) FP7-PEOPLE-2012-CIG - Marie-Curie Action: "Career Integration Grants" Invito a presentare proposte FP7-PEOPLE-2012-CIG Vedi altri progetti per questo bando Meccanismo di finanziamento MC-CIG - Support for training and career development of researcher (CIG) Coordinatore BEN-GURION UNIVERSITY OF THE NEGEV Contributo UE € 100 000,00 Indirizzo . 84105 Beer Sheva Israele Mostra sulla mappa Tipo di attività Higher or Secondary Education Establishments Contatto amministrativo Daphna Tripto (Ms.) Collegamenti Contatta l’organizzazione Opens in new window Sito web Opens in new window Costo totale Nessun dato
