
The fission yeast Schizosaccharomyces pombe has been an invaluable model system in studying the regulation of the mitotic cell cycle progression, the mechanics of cell division and cell polarity. Furthermore, classical experiments on its sexual reproduction have yielded results pivotal to current understanding of DNA recombination and meiosis. More recent analysis of fission yeast mating has raised interesting questions on extrinsic stimuli response mechanisms, polarized cell growth and cell-cell fusion. To study these topics in detail we have developed a simple protocol for microscopy of the entire sexual lifecycle. The method described here is easily adjusted to study specific mating stages. Briefly, after being grown to exponential phase in a nitrogen-rich medium, cell cultures are shifted to a nitrogen-deprived medium for periods of time suited to the stage of the sexual lifecycle that will be explored. Cells are then mounted on custom, easily built agarose pad chambers for imaging. This approach allows cells to be monitored from the onset of mating to the final formation of spores.
Fluorescence microscopy, Microbiological Techniques, Mating, Nitrogen starvation, Cell Cycle, Pheromone, Cell-cell fusion, Fission yeast, Culture Media, Live-cell imaging, Microscopy, Fluorescence, Schizosaccharomyces pombe, Schizosaccharomyces, Sex, Issue 109, G protein-coupled receptor, Molecular Biology, Shmoo
Fluorescence microscopy, Microbiological Techniques, Mating, Nitrogen starvation, Cell Cycle, Pheromone, Cell-cell fusion, Fission yeast, Culture Media, Live-cell imaging, Microscopy, Fluorescence, Schizosaccharomyces pombe, Schizosaccharomyces, Sex, Issue 109, G protein-coupled receptor, Molecular Biology, Shmoo
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