Article
Isolation of Aspergillus niger creA mutants and effects of the mutations on expression of arabinases and L-arabinose catabolic enzymes.
Microbiology (Reading, England) - 1 Sept 1997
Ruijter George J G, Vanhanen Sipo A, Gielkens Marco M C, van de Vondervoort Peter J I, Visser Jaap
Abstract excerpt
Aspergillus niger mutants relieved of carbon repression were isolated from an areA parental strain by selection of colonies that exhibited improved growth on a combination of 4-aminobutanoic acid (GABA) and D-glucose. In addition to derepression of the utilization of GABA as a nitrogen source in the presence of D-glucose, three of the four mutants also showed derepression of L-alanine and L-proline utilization....
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