Reduction of ferric chelate caused by various wood-rot fungi |
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| Authors: | Hirofumi Hirai Ryuichiro Kondo Kokki Sakai Yoshio Watanabe Ryuichiro Kurane |
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| Institution: | (1) NEDO Bioconsortia Program, National Institute of Bioscience and Human Technology, Agency of Industrial Science and Technology, 305-8566 Tsukuba, Japan;(2) Faculty of Agriculture, Kyushu University, 812-8581 Fukuoka, Japan;(3) Central Research Laboratory, Mercian Corporation, 2510057 Fujisawa, Japan |
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| Abstract: | The reduction of ferric chelate caused by various wood-rot fungi was analyzed. Ferric chelate reductive activity was detected in cell-free extracts of seven wood-rot fungi:Phanerochaete chrysosporium, P. sordida YK-624,Ganoderma sp. YK-505,Coriolus versicolor, Bjerkandera adusta, Tyromyces palustris, andGloeophyllum trabeum. These fungi produced NADPH- or NADH-dependent ferric chelate reductive enzymes (or both) of different molecular weight. In the liquid culture ofP. sordida YK-624 andC. versicolor, a positive correlation was observed between extracellular MnP activity and intracellular NADPH-dependent ferric chelate reductive activity. |
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| Keywords: | Wood-rot fungus Ferric chelate reduction Manganese peroxidase Gel permeation chromatography |
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