Opposite patterns of expression of two Aspergillus nidulans xylanase genes with respect to ambient pH.
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.
MacCabe
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AP
Departamento de Biotecnología, Instituto de Agroquímica y Tecnología de Alimentos, Consejo Superior de Investigaciones Científicas, Valencia, Spain.
Orejas
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Pérez-González
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JA
Ramón
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D
D001233:Aspergillus nidulans / Q000201:enzymology / Q000235:genetics*; D001483:Base Sequence; D003470:Culture Media; D043364:Endo-1,4-beta Xylanases; D005656:Fungal Proteins; D015966:Gene Expression Regulation, Fungal; D005800:Genes, Fungal; D006863:Hydrogen-Ion Concentration; D008969:Molecular Sequence Data; D014157:Transcription Factors / Q000235:genetics / Q000378:metabolism; D014158:Transcription, Genetic; D043325:Xylan Endo-1,3-beta-Xylosidase; D014994:Xylose / Q000378:metabolism; D014995:Xylosidases / Q000235:genetics*; D016335:Zinc Fingers
D003470:Culture Media; D005656:Fungal Proteins; C092394:PacC protein, Aspergillus; D014157:Transcription Factors; D014994:Xylose; D014995:Xylosidases; D043325:Xylan Endo-1,3-beta-Xylosidase; D043364:Endo-1,4-beta Xylanases