Isolation and quantitation of M-factor,a diffusible mating factor from the fission yeast Schizosaccharomyces pombe |
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Authors: | John Davey |
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Abstract: | Although there have been several reports demonstrating the existence of mating factors in the fission yeast Schizosaccharomyces pombe it has not been possible to isolate these factors as cell-free preparations. Such an ability is the first requirement towards a molecular characterization of these factors and here I report the successful isolation of a mating factor from S. pombe. This factor, termed M-factor, is released by cells of the cellular mating type M (Minus) and induces mating-specific changes in P-type cells. A reliable and accurate assay for the quantitation of the M-factor, based upon changes in cell volume following exposure to the factor, is also described. |
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Keywords: | Fission yeast mating pheromone |
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