alexa The molecular biology of metal ion transport in Saccharomyces cerevisiae.
Molecular Biology

Molecular Biology

Cell & Developmental Biology

Author(s): Eide DJ

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Abstract Transition metals such as iron, copper, manganese, and zinc are essential nutrients. The yeast Saccharomyces cerevisiae is an ideal organism for deciphering the mechanism and regulation of metal ion transport. Recent studies of yeast have shown that accumulation of any single metal ion is mediated by two or more substrate-specific transport systems. High-affinity systems are active in metal-limited cells, whereas low-affinity systems play the predominant roles when the substrate is more abundant. Metal ion uptake systems of cells are tightly controlled, and both transcriptional and posttranscriptional regulatory mechanisms have been identified. Most importantly, studies of S. cerevisiae have identified a large number of genes that function in metal ion transport and have illuminated the existence of importance of gene families that play related roles in these processes in mammals. This article was published in Annu Rev Nutr and referenced in Cell & Developmental Biology

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