Dynamics and distribution of ARFB1b and ARFB1c GTPases in N. tabacum plant cells [Elektronische Ressource] / vorgelegt von Luciana Renna

Dynamics and distribution of ARFB1b and ARFB1c GTPases in N. tabacum plant cells Dissertation zur Erlangung des Doktorgrades (Dr. rer. nat.) der Mathematisch-Naturwissenschaftlichen Fakultät der Rheinischen Friedrich-Wilhelms-Universität Bonn vorgelegt von Luciana Renna aus Milano, ITALY Bonn, 2009 Angefertigt mit Genehmigung der Mathematisch-Naturwissenschaftlichen Fakultät der Rheinischen Friedrich-Wilhelms-Universität Bonn 1. Referent: Prof. Dr. Dieter Volkmann 2. Referent: Prof. Dr. Diedrik Menzel Tag der Promotion: 23 July 2009 Diese Dissertation ist auf dem Hochschulschriftenserver der ULB Bonn http://hss.ulb.unibonn.de/diss_online elektronisch publiziert. Erscheinungsjahr: 2009 SUMMARY IIISUMMARY Eukaryotic cells are characterized by a complex of endomembranes. The main organelles of this complex are the endoplasmic reticulum, the Golgi apparatus, the trans-Golgi network, the vacuoles, and the plasma membrane. In cells the endomembrane system identity and interconnection is preserved by an active intracellular trafficking mediated by vesicles, which shuttle cargo molecules such as proteins, polysaccharides, and lipids between these organelles. During the intracellular trafficking, vesicle fusion and budding is driven by the assembly and disassembly of the coat proteins from the membrane.