The function of the ribbon structure of the Golgi apparatus in vertebrates

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The aim of the project is to determine the function of the Golgi ribbon structure in higher order cell functions, including metabolism, cell cycle, and cell polarity in both cultured cells and whole organisms. Understanding of the functions of the Golgi has been restricted to the regulation of glycosylation and membrane transport. However, it is now recognised that the Golgi apparatus feeds into the wiring of a range of cellular networks in higher organisms such as cell polarisation, directed migration, metabolism and autophagy. Vertebrates have evolved mechanisms for joining individual Golgi stacks into a ribbon structure. The relevance of this ribbon structure remains a mystery. The project aims to answer this major question in cell biology.