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Oxalate decarboxylase in the brown-rot wood decay fungus Postia placenta


Material und Organismen (Berlin) 29(3): 177-186
Oxalate decarboxylase in the brown-rot wood decay fungus Postia placenta
Oxalate decarboxylase, the enzyme associated with the decomposition of oxalic acid in white-rot fungi, was identified and partially purified from low- and high-decay cultures of the brown-rot fungus Postia placenta. The enzyme was most active under conditions of extreme acidity (pH 2.0-2.2) and was severely inhibited at pH levels greater than 2.6. A low-decay isolate of P. placenta produced large quantities of this enzyme and formed it earlier than did a standard high-decay isolate. The possible role of the enzyme in the regulation of pH during decay is discussed.


Accession: 002914038



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