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  • Title: Opposite patterns of expression of two Aspergillus nidulans xylanase genes with respect to ambient pH.
    Author: MacCabe AP, Orejas M, Pérez-González JA, Ramón D.
    Journal: J Bacteriol; 1998 Mar; 180(5):1331-3. PubMed ID: 9495775.
    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.
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