Journal
WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY
Volume 26, Issue 2, Pages 233-240Publisher
SPRINGER
DOI: 10.1007/s11274-009-0165-5
Keywords
Forest hollow-stump ecosystem; RFLP; Phylogenetic analysis; Microbial community; Wood decomposition
Categories
Funding
- National Natural Science Foundation of China [30800735]
- Department of Science and Technology of Fujian Province [2008F3036, 2009J06014]
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The aim of this study is to investigate the microbial community structure and diversity in a wood-decomposed hollow-stump ecosystem. Microbial communities of SD-1, a lateritic soil sample from forest hollow-stump ecosystems in Fuzhou (a southeastern coast city of China), were characterized by constructing and analyzing rRNA gene clone libraries. Sixty-six phylotypes were identified from 112 bacterial clones, including Acidobacteria (71.5%), Proteobacteria (24.1%) and Verrucomicrobia (0.9%). A total of 40 phylotypes were obtained from 138 fungal clones, including Basidiomycota (42.8%), Ascomycota (36.2%), Zygomycota (13.8%), Chytridiomycota (2.9%) and Fungi incertae sedis (4.3%). The results showed a variety of clones related to the reported lignocellulose-decomposing microorganisms. They included some important bacterial decomposers, such as Sphingomonas and Burkholderia, and a number of wood-decaying fungi, including Tricholomataceae, Strophariaceae and Agaricaceae of Basidiomycota; Orbilia, Aspergillus, Phialocephala, Epicoccum and Phoma of Ascomycota and Mucorales of Zygomycota. The result indicated that the lignocellulolytic microorganisms worked synergically with a unique community structure to biodegrade lignocellulose in the hollow-stump ecosystem.
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