Mitochondrial respiratory mutants in yeast inhibit glycogen accumulation by blocking activation of glycogen synthase.

Abstract excerpt

Control of glycogen synthase activity by protein phosphorylation is important for regulating the synthesis of glycogen. In this report, we describe a regulatory linkage between the ability of yeast cells to respire and activation of glycogen synthase. Strains containing respiration-deficient mutations in genes such as COQ3, required for the synthesis of coenzyme Q, were reduced in their ability to accumulate...

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