期刊
FEMS MICROBIOLOGY ECOLOGY
卷 56, 期 3, 页码 372-382出版社
OXFORD UNIV PRESS
DOI: 10.1111/j.1574-6941.2006.00071.x
关键词
ascomycetes; basidiomycetes; Myxotrichaceae; Sphagnum bog; soft rot; white rot
类别
The abilities of some ascomycetes (Myxotrichaceae) from a Sphagnum bog in Alberta to degrade cellulose, phenolics, and Sphagnum tissue were compared with those of two basidiomycetes. Most Myxotrichaceae degraded cellulose and tannic acid, and removed cell-wall components simultaneously from Sphagnum tissues, whereas the basidiomycetes degraded cellulose and insoluble phenolics, and preferentially removed the polyphenolic matrix from Sphagnum cell walls. Mass losses from Sphagnum varied from up to 50% for some ascomycetes to a maximum of 35% for the basidiomycetes. The decomposition of Sphagnum by the Myxotrichaceae was analogous to the white rot of wood and indicates that these fungi have the potential to cause significant mineralization of carbon in bogs.
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