1887

Abstract

The synthesis of the xylanolytic enzymes β-xylanase and β-xylosidase of was studied. In contrast to many catabolic extracellular enzymes, β-xylanase was synthesized constitutively during exponential growth and was not repressed by glucose. β-Xylosidase synthesis was induced 100-fold by xylose and repressed 100-fold by glucose. Carbon catabolite repression was abolished in a mutant. Titration experiments using a multicopy operator sequence respondible for carbon catabolite repression indicated that the gene encoding β-xylosidase is part of the same carbon catabolite repression regulon as the and genes.

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/content/journal/micro/10.1099/00221287-140-4-753
1994-04-01
2020-01-24
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http://instance.metastore.ingenta.com/content/journal/micro/10.1099/00221287-140-4-753
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