Organisms can keep gene expression in check, biologist says

Sunday, March 15, 2015 - 15:30 in Biology & Nature

Researchers have learned how living beings can keep gene expression in check -- which might partly explain the uncontrolled gene expression found in many cancers. "Using yeast as a model organism, we studied the Tup1 protein, a negative regulator of gene expression," says a biologist, adding, "This protein binds to some genes and blocks their expression, helping to ensure genes that shouldn't be turned on remain inactive."

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