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|Title:||Identification of ricinoleic acid as an inhibitor of Ca2+ signal-mediated cell-cycle regulation in budding yeast|
cyclin dependent kinase 1
cell cycle G2 phase
cell cycle regulation
Cell Cycle Proteins
Saccharomyces cerevisiae Proteins
|Abstract:||Free fatty acids exhibit diverse biological effects such as the regulation of immune responses in humans and animals. To investigate the biological effect of fatty acids in the model eukaryotic organism yeast, we examined the activity of various fatty acids in a yeast-based drug-screening system designed to detect the small-molecule compounds that inhibit Ca2+-signal-mediated cell-cycle regulation. Among the fatty acids examined, ricinoleic acid markedly alleviated the deleterious physiological effects induced by the compelled activation of Ca2+ signaling by external CaCl2, such as the polarized bud growth and the growth arrest in the G2 phase. In accordance with the physiological consequences induced by ricinoleic acid, it diminished the Ca2+-induced phosphorylation of Cdc28p at Tyr-19, concomitant with the decrease in the Ca2+-stimulated expression levels of Cln2p and Swe1p. © 2009 Federation of European Microbiological Societies.|
|Appears in Collections:||Scopus 1983-2021|
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