Isolation and characterization of Neurospora crassa mutants impaired in feedback control of ornithine synthesis.

Abstract

Thirty-two independent mutants were isolated which overcame the proline requirement of pro-3 mutations in Neurospora crassa. The mutations were not revertants, appeared to be allelic, were closely linked or allelic to arg-6, and in strains unable to degrade ornithine no longer suppressed the proline requirement. The suppressor mutations did not alter the… (More)

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