Article
Nonsense suppression in thymine-requiring strains of Escherichia coli is a consequence of altered folate metabolism.
Molecular & general genetics : MGG - 1 Apr 1993
Basso J, Tiganos E, Herrington M B
Abstract excerpt
Thymine-requiring strains of Escherichia coli suppress nonsense and frameshift mutants of T4 phage. We proposed that these mutants make errors during translation because of an imbalance in folate metabolism. A thymine-requiring strain grown under suppressing conditions has elevated levels of reduced folates. We tested the effect of either mutational blocks or the inhibition of various steps in folate biosynthesis...
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