Abstract
Mutants of bacteriophage φe inducing only 1 to 5% of wild-type levels of dTTP-dUTP nucleotidohydrolase give normal bursts of viable progeny phage whose DNA contains 5 to 10% thymine (but no uracil) in place of 5-hydroxymethyluracil. The relative heat lability of one phage mutant enzyme solubilized from the membrane fraction of infected cells suggests that a φe gene codes for the induced dTTPase-dUTPase.
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Selected References
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