期刊
FEMS MICROBIOLOGY ECOLOGY
卷 95, 期 2, 页码 -出版社
OXFORD UNIV PRESS
DOI: 10.1093/femsec/fiy225
关键词
fungi; bacteria; decomposition; wood; succession; pH
类别
资金
- Natural Environment Research Council [NE/L501773/1, NE/I01117X/1]
- NERC [NE/L501773/1, NE/K011383/1, NE/I01117X/1] Funding Source: UKRI
The bacterial communities in decomposing wood are receiving increased attention, but their interactions with wood-decay fungi are poorly understood. This is the first field study to test the hypothesis that fungi are responsible for driving bacterial communities in beech wood (Fagus sylvatica). A meta-genetic approach was used to characterise bacterial and fungal communities in wood that had been laboratory-colonised with known wood-decay fungi, and left for a year at six woodland sites. Alpha-, Beta- and Gammaproteobacteria and Acidobacteria were the proportionally dominant bacterial taxa, as in previous studies. Pre-colonising wood with decay fungi had a clear effect on the bacterial community, apparently via direct fungal influence; the bacterial and fungal communities present at the time of collection explained nearly 60% of their mutual covariance. Site was less important than fungal influence in determining bacterial communities, but the effects of pre-colonisation were more pronounced at some sites than at others. Wood pH was also a strong bacterial predictor, but was itself under considerable fungal influence. Burkholderiaceae and Acidobacteriaceae showed directional responses against the trend of the bacterial community as a whole. The identity of the bacteria living in wood is influenced by the identity of the fungi living there.
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