Large-scale screening of yeast mutants for sensitivity to the IMP dehydrogenase inhibitor 6-azauracil.

Abstract excerpt

Mutations in several genes encoding components of the RNA polymerase II elongation machinery render S. cerevisiae cells sensitive to the drug 6-azauracil (6AU), an inhibitor of IMP dehydrogenase and orotidylate decarboxylase. It is thought that a reduction in nucleotide levels following drug treatment causes transcriptional elongation to be more dependent on a fully functional RNA polymerase. To gain insight into...

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