Article
Induction of the ZRC1 metal tolerance gene in zinc-limited yeast confers resistance to zinc shock.
The Journal of biological chemistry - 25 Apr 2003
MacDiarmid Colin W, Milanick Mark A, Eide David J
Abstract excerpt
Zinc is an essential nutrient but toxic to cells with overaccumulation. For this reason, intracellular zinc levels are tightly controlled. In the yeast Saccharomyces cerevisiae, the Zrc1 and Cot1 proteins have been implicated in the storage and detoxification of excess zinc in the vacuole. Surprisingly, transcription of ZRC1 is induced in zinc-limited cells by the zinc-responsive transcription factor Zap1. We...
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