Iron-binding compounds produced by white-rot fungusPhanerochaete sordida YK-624 |
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Authors: | Hirofumi Hirai Aiko Onitsuka Ryuichiro Kondo Kokki Sakai Tomoaki Nishida |
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Institution: | (1) Faculty of Agriculture, Shizuoka University, 422-8529 Shizuoka, Japan;(2) Faculty of Agriculture, Kyushu University, 812-8581 Fukuoka, Japan |
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Abstract: | Iron-binding compounds were isolated from a culture ofPhanerochaete sordida YK-624 and were found to bind to Fe(III) preferentially compared with Fe(II). Two iron-binding compounds were purified to near-homogeneity with gel permeation chromatography. Hydrolysis of the iron-binding compounds with 6N hydrochloric acid gave ninhydrin-negative products. The molecular weight of these compounds was 3–5 kDa. These compounds may play an important role in the reduction of extracellular manganese dioxide to Mn(II) by intracellular ferrireductases for lignin degradation by manganese peroxidase. |
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Keywords: | Iron-binding compound Phanerochaete sordida YK-624 Gel permeation chromatography Ninhydrin-negative compound White-rot fungi |
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