DEGRADATION OF LIGNIN BY CYATHUS SPECIES

被引:25
作者
ABBOTT, TP
WICKLOW, DT
机构
关键词
D O I
10.1128/AEM.47.3.585-587.1984
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
The ability of 12 Cyathus spp. to degrade 14C-labeled lignin in kenaf (Hibiscus cannabinus) was studied. The sum of 14C released into solution plus 14C released into the gas phase over a 32-day fermentation period was used to determine average daily rates of lignin biodegradation. C. pallidus, C. africanus and C. berkeleyanus delignified kenaf most rapidly. C. canna showed the greatest preference for lignin degradation over other plant components, and its rate of lignin degradation was only slightly lower than the 3 most active species. The apparent ability of fungi to metabolize low-MW lignin breakdown products correlated well with their overall delignification rates. C. stercoreus metabolized degradation products of lignin from wheat straw better than those from kenaf lignin, based on the amount of low-MW products left in solution.
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页码:585 / 587
页数:3
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