Journal Article

Extracellular lipid peroxidation of selective white-rot fungus, Ceriporiopsis subvermispora

Makiko Enoki, Takashi Watanabe, Seiji Nakagame, Karin Koller, Kurt Messner, Yoichi Honda and Masaaki Kuwahara

in FEMS Microbiology Letters

Volume 180, issue 2, pages 205-211
Published in print November 1999 |
Published online January 2006 | e-ISSN: 1574-6968 | DOI:

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Ceriporiopsis subvermispora is capable of decomposing lignin without penetration of enzymes into wood cell walls. To elucidate the mechanism of lignolysis at a site far from enzymes, peroxidation of low molecular mass compounds produced by this fungus was analyzed. C. subvermispora produced free 9,12-octadecadienoic, 9-octadecenoic, 11-octadecenoic, hexadecanoic and octadecanoic acids, predominantly at an early stage of cultivation on wood meal cultures. In prolonged cultivation period after 2 weeks, the amount of intact fatty acids decreased with increasing organic hydroperoxide and TBARS production. These results suggest that lignin degradation by C. subvermispora is related to extracellular lipid peroxidation.

Keywords: White-rot fungus; Lipid peroxidation; Lignin; Manganese peroxidase; Ceriporiopsis subvermispora

Journal Article.  2459 words.  Illustrated.

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