Biodegradation of Natural and Synthetic Humic Acids by the White Rot Fungus Phanerochaete chrysosporium.
Biodegradation of natural and synthetic (melanoidin) humic acids by Phanerochaete chrysosporium BKM-F 1767 was demonstrated by decolorization in batch culture, reduction in molecular weight, and CO(2) production from labeled melanoidin. This biodegradation occurred during secondary metabolism of the fungus in nitrogen-limited cultures; experimental results suggest that all or a part of the lignin-degrading system of BKM-F 1767 plays a part in biodegradation.
Blondeau
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Laboratoire de Microbiologie, Université des Sciences et Techniques de Lille Flandres-Artois, 59655 Villeneuve d'Ascq Cédex, France.