Abstract

The paper of Arst and Cove (Mol. Gen. Genet. 126: 111 – 141, 1973) on "Nitrogen metabolite repression in Aspergillus nidulans" has influenced studies and perceptions of gene regulation in filamentous fungi during the past 21 years. Here I attempt to appraise the contributions of that paper and assess its role in further developments. Nitrogen metabolite repression, carbon catabolite repression, pathway-specific and integrated induction, as-acting regulatory mutations, a useful class of growth inhibitors, and a homologous Neurospora crassa gene are all discussed. Key words: Aspergillus nidulans, carbon catabolite repression, nitrogen metabolite repression.

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