Abstract
The Aspergillus nidulans xylanase genes xlnA and xlnB are subject to regulation by ambient pH via the zinc finger transcription factor PacC. In the presence of D-xylose, xlnA is expressed under conditions of alkaline ambient pH while xlnB is expressed at acidic ambient pH. These data have been confirmed for acidity- and alkalinity-mimicking A. nidulans mutants.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Aspergillus nidulans / enzymology
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Aspergillus nidulans / genetics*
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Base Sequence
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Culture Media
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Endo-1,4-beta Xylanases
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Fungal Proteins*
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Gene Expression Regulation, Fungal*
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Genes, Fungal
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Hydrogen-Ion Concentration
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Molecular Sequence Data
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Transcription Factors / genetics
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Transcription Factors / metabolism
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Transcription, Genetic
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Xylan Endo-1,3-beta-Xylosidase
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Xylose / metabolism
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Xylosidases / genetics*
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Zinc Fingers
Substances
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Culture Media
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Fungal Proteins
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PacC protein, Aspergillus
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Transcription Factors
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Xylose
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Xylosidases
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Xylan Endo-1,3-beta-Xylosidase
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Endo-1,4-beta Xylanases
Associated data
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GENBANK/Z49892
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GENBANK/Z49893