Regulation of beta-glucosidase biosynthesis in Aspergillus nidulans.

Abstract:

:beta-Glucosidase in Aspergillus nidulans was found to be both intracellular and extracellular. The intracellular beta-glucosidase was synthesized after the exhaustion of carbon source in the medium. The extracellular enzyme appeared with autolysis of the mycelium. Biosynthesis of beta-glucosidase was not induced by various carbohydrates but repressed to varying extents in the presence of glucose, glycerol, and 2-deoxyglucose. This repression was not relieved by addition of cAMP. The repression was relieved much more by mutations in the creA gene than by one in the creC gene. Thus, beta-glucosidase synthesis in A. nidulans is subject to carbon catabolite repression.

journal_name

FEMS Microbiol Lett

authors

Lee J,Kwon KS,Hah YC

doi

10.1111/j.1574-6968.1996.tb07969.x

subject

Has Abstract

pub_date

1996-01-01 00:00:00

pages

79-84

issue

1

eissn

0378-1097

issn

1574-6968

pii

0378109795004335

journal_volume

135

pub_type

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