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Reference: Ohya Y and Anraku Y (1992) Yeast calmodulin: structural and functional elements essential for the cell cycle. Cell Calcium 13(6-7):445-55

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Abstract


The budding yeast Saccharomyces cerevisiae is a suitable organism for studying calmodulin function in cell proliferation. Genetic studies in yeast demonstrate that vertebrate calmodulin can functionally replace yeast calmodulin. In addition, expression of half of the yeast calmodulin molecule is found to be sufficient for cell growth. Characterization of conditional-lethal mutants of yeast calmodulin as well as the intracellular distribution of calmodulin have suggested that at least two cell cycle steps require calmodulin function. One is nuclear division and the other is the maintenance of cell polarity. A current focus is to understand which kinds of target proteins are involved in mediating the essential functions of yeast calmodulin in these processes. Thus far, three yeast enzymes whose activity is regulated by calmodulin have been identified.

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Journal Article | Review | Review, Tutorial
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Ohya Y, Anraku Y
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