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Screening for amino acid pool mutants of Neurospora and yeasts: replica-printing technique.
Abstract
A replica-printing technique has been developed for permeabilized colonies of Neurospora and yeast by which endogenous amino acid pools are visualized. By the use of cation-exchange paper, the method has detected Neurospora mutants unable to store the large pools of basic amino acids characteristic of wild type. Mutants of this sort were sought to study the function of the fungal vacuole.
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