Adaptation to high-salt stress in Saccharomyces cerevisiae is regulated by Ca2+/calmodulin-dependent phosphoprotein phosphatase (calcineurin) and cAMP-dependent protein kinase.

Abstract excerpt

Ca2+/calmodulin-dependent phosphoprotein phosphatase (calcineurin, PP2B) of Saccharomyces cerevisiae is implicated in adaptation to high-salt conditions. Calcineurin mediates high salt-induced expression of the ENA1/PMR2 gene encoding the P-type ATPase, which is suggested to be involved in Na+ efflux. We identified the PDE1 gene encoding the low-affinity cAMP phosphodiesterase as a multicopy suppressor of the...

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