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| Content Provider | Springer Nature Link |
|---|---|
| Author | Kaneko, Shohei Yoshitake, Katsuhiko Itakura, Shuji Tanaka, Hiromi Eki, Akio |
| Copyright Year | 2005 |
| Abstract | The degradation of wood, filter paper cellulose, and a lignin-substructure model, was measured in cultures of seven fungi usually regarded as brown-rot fungi. Hydroxyl radical production and the accumulation of oxalic acid in the cultures were also measured. Four of the fungi, Gloeophyllum trabeum, Tyromyces palustris, Laetiporus sulphureus, and Postia placenta, were typical brown-rot fungi, in that they preferentially degraded and eliminated the polysaccharides in wood and produced large amounts of hydroxyl radical. The rates of hydroxyl radical generation in cultures of the four fungi were directly proportional to the degradation rates of wood, cellulose, and the lignin-related compound, and inversely proportional to the amount of oxalic acid in the cultures. Two of the fungi, Daedalea dickinsii and Lentinus lepideus, did not degrade any of the substrates significantly and produced very little hydroxyl radical. Coniophora puteana had the highest rate of cellulose degradation, but did not degrade wood or the lignin model significantly and produced only negligible amounts of hydroxyl radical. These results indicate that brown-rot fungi produce large amounts of hydroxyl radical for the degradation of wood and crystalline cellulose. |
| Starting Page | 262 |
| Ending Page | 269 |
| Page Count | 8 |
| File Format | |
| ISSN | 14350211 |
| Journal | Journal of Wood Science |
| Volume Number | 51 |
| Issue Number | 3 |
| e-ISSN | 16114663 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2005-06-25 |
| Publisher Place | Tokyo |
| Access Restriction | Subscribed |
| Subject Keyword | Brown-rot fungi Hydroxyl radical production Oxalic acid Wood degradation Crystalline cellulose degradation Characterization and Evaluation Materials Ceramics, Glass, Composites, Natural Methods Wood Science & Technology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Biomaterials Forestry |
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