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Regulation of invertase synthesis in Aspergillus niger

Paper ID Volume ID Publish Year Pages File Format Full-Text
18494 42725 2006 6 PDF Available
Title
Regulation of invertase synthesis in Aspergillus niger
Abstract

The regulation of the synthesis of invertase in Aspergillus niger with different carbohydrates was studied. In order to investigate the mechanism of induction, we worked with conidia protoplasts and permeabilied mycelium and used actinomycin D, cycloheximide and cAMP.The synthesis of invertase in A. niger was induced by β-fructofuranoside substrates such as raffinose, sucrose and turanose. Inulin also produced synthesis, suggesting that the β link and the fructose located at the end of the molecule are involved in the induction mechanism.Glucose and fructose, which are products of the action of invertase, are repressors of the synthesis and act at the level of the translation of the genetic message. The induction of invertase is different from that of yeasts and other filamentous fungi. A mechanism of induction of the synthesis of invertase in A. niger with the participation of cAMP is proposed.

Keywords
Invertase; Regulation; De-induction; Induction mechanism; Fungi; Aspergillus niger
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Publisher
Database: Elsevier - ScienceDirect
Journal: Enzyme and Microbial Technology - Volume 39, Issue 4, 2 August 2006, Pages 601–606
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
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Price was $35.95
You save - $31
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