The Metabolism of Aromatic Compounds Related to Lignin by some Hyphomycetes and Yeast-like Fungi of Soil

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Abstract
The metabolism of various lignin-related aromatic compounds by several soil Hyphomycetes and yeast-like fungi was investigated. Adaptation studies with whole organisms and cell-free extracts confirmed previously proposed metabolic pathways (Henderson and Farmer, 1955; Henderson, 1960). It was shown that protocatechuic acid is an intermediate in the metabolism of vanillin and ferulic acid. Protocatechuic acid oxidase activity of cell-free extracts of Pullularia pullulans was found to be stimulated by ferrous ions and to depend on[long dash]SH groups.