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A Saccharomyces cerevisiae mutant lacking PPZ1, encoding a serine/threonine protein phosphatase (PPase), is caffeine-sensitive. To clarify the function of Ppz1 in resistance to caffeine, we attempted(More)
The Saccharomyces cerevisiae Siw14, a tyrosine phosphatase involved in the response to caffeine, participates in regulation of the phosphorylation and intracellular localization of Gln3, a GATA(More)
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