2000年6月
Degradation of benzyl ether bonds of lignin by ruminal microbes
FEMS MICROBIOLOGY LETTERS
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- 巻
- 187
- 号
- 1
- 開始ページ
- 15
- 終了ページ
- 20
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1016/S0378-1097(00)00171-3
- 出版者・発行元
- ELSEVIER SCIENCE BV
We examined microbial activity in the rumen to cleave benzyl ether bonds of lignin model compounds that fluoresced when the bonds were cleaved. 4-Methylumbelliferone veratryl ether dimer was degraded completely within 8 h even in the presence of fungicidal antibiotics. but no significant degradation occurred with bactericidal antibiotics. Degradation of a phenolic beta-O-4 trimer incorporating 4-methylumbelliferone by a benzyl ether linkage was stimulated by ruminal microbes, although its corresponding non-phenolic model compound, 1-(4-ethoxy-3-methoxyphenyl)-1-O-(4-methylumbelliferyl)-2-(2-methoxyphenoxy)-3-propanol, was not degraded. A coniferyl dehydrogenation polymer bearing fluorescent beta-O-4 benzyl ether that contains both phenolic and non-phenolic benzyl ether bonds was partially degraded (about 20%) in 48 h. These results suggest that ruminal microbes decompose benzyl ether linkages of lignin polymers under anaerobic conditions. (C) 2000 Federation of European Microbiological Societies. Published by Elsevier Science B.V. All rights reserved.
- リンク情報
- ID情報
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- DOI : 10.1016/S0378-1097(00)00171-3
- ISSN : 0378-1097
- J-Global ID : 200902190258238554
- Web of Science ID : WOS:000087392300003