2015
DOI: 10.18632/aging.100727 View full text |Buy / Rent full text
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Abstract: The Protein kinase A (PKA) and Sch9 regulates cell growth as well as lifespan in Saccharomyces cerevisiae. Maf1 is a RNA polymerase III (Pol III) inhibitor that tailors 5S rRNA and tRNA production in response to various environmental cues. Both PKA and Sch9 have been shown to phosphorylate Maf1 in vitro at similar amino acids, suggesting a redundancy in Maf1 regulation. However, here we find that activating PKA by bcy1 deletion cannot replace Sch9 for Maf1 phosphorylation and cytoplasmic retention; instead, su… Show more

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