Scientists who built a synthetic gene circuit that allows for the precise tuning of a gene's expression in yeast now have refined this research tool to work in human cells.

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Scientists who built a synthetic gene circuit that allows for the precise tuning of a gene's expression in yeast now have refined this research tool to work in human cells. "Using this circuit, you can turn a gene from completely off to completely on and anywhere between those two extremes in each cell at once. It's a nice tool if you want to know what...