Abstract
The Golgi complex is the central hub of the secretory pathway. In mammalian cells, it is formed by stacks of flattened cisternae organized in a continuous membrane system, the Golgi ribbon, located near the centrosome. During G2, the Golgi ribbon is disassembled into isolated stacks that, at the onset of mitosis, are further fragmented into small tubular-vesicular clusters that disperse throughout the cytoplasm. Here, we describe a set of methods to study the Golgi complex in different phases of thecell cycle, drawing attention to reproducing the mitotic Golgi fragmentation to gain knowledge and acquire the skills to study the mechanisms that regulate mitotic Golgi reorganization as well as its biological significance. The investigations based on these assays have been instrumental in understanding that Golgi disassembly isnot only a consequence of mitosis but is also required for mitotic entry and cell division.
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