Article
Genetic alterations leading to increases in internal potassium concentrations are detrimental for DNA integrity in Saccharomyces cerevisiae.
Genes to cells : devoted to molecular & cellular mechanisms - 1 Feb 2011
Merchan Stephanie, Pedelini Leda, Hueso Guillem, Calzada Arturo, Serrano Ramón, Yenush Lynne
Abstract excerpt
We have investigated the effects of alterations in potassium homeostasis on cell cycle progression and genome stability in Saccharomyces cerevisiae. Yeast strains lacking the PPZ1 and PPZ2 phosphatase genes, which aberrantly accumulate potassium, are sensitive to agents causing replicative stress or DNA damage and present a cell cycle delay in the G(1) /S phase. A synthetic slow growth phenotype was identified in...
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