Genetic deficiency of purine nucleoside phosphorylase in the mouse. Characterization of partially and severely enzyme deficient mutants.

Abstract

Two independent mutations of purine nucleoside phosphorylase were identified in the first-generation progeny of male mice that had been treated with the mutagen N-ethylnitrosourea and mated to untreated females. The common allele in inbred strains is Np-1a and the mutants are assigned the gene symbols Np-1e and Np-1f. Heterozygotes had approximately half… (More)

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