Impact of white-rot fungi on numbers and community composition of bacteria colonizing beech wood from forest soil

FEMS Microbiology Ecology
Larissa B FolmanWietse de Boer

Abstract

White-rot fungi are important wood-decomposing organisms in forest ecosystems. Their ability to colonize and decompose woody resources may be strongly influenced by wood-inhabiting bacteria that grow on easily utilizable compounds e.g. oligomers of wood-polymers released by fungal enzymes. However, so far, it is not known how white-rot fungi deal with the presence of potential competing bacteria. Here, the effects of two white-rot fungi, Hypholoma fasciculare and Resinicium bicolor, on the numbers and composition of bacteria colonizing sterile beech wood blocks from forest soil are reported. Both total numbers (microscopic counts) and the numbers of cultivable wood-inhabiting bacteria were considerably lower in wood blocks that became colonized by the white-rot fungi than in control blocks. This points to the fungi out-competing the opportunistic bacteria. The presence of white-rot fungi resulted in a change in the relative abundance of families of cultivable bacteria in wood and also in a change of denaturing gradient gel electrophoresis patterns of directly amplified 16S rRNA gene fragments. Analysis of the bacterial community structure in soil adhering to exploratory mycelium (cords) indicated that fungal species-specific ef...Continue Reading

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Citations

Nov 22, 2011·Current Microbiology·Ichiro KameiSadatoshi Meguro
Jul 30, 2010·Biodegradation·Tomáš VětrovskýPetr Baldrian
Jun 18, 2010·Canadian Journal of Microbiology·Wietse de BoerLynne Boddy
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Oct 11, 2013·FEMS Microbiology Letters·Daniel BravoPilar Junier
Jul 15, 2016·Antonie van Leeuwenhoek·Joshua Andrew HalseyFernando Dini Andreote
Aug 26, 2016·FEMS Microbiology Ecology·Sarah R JohnstonAndrew J Weightman
Nov 11, 2017·FEMS Microbiology Ecology·Vojtech TláskalPetr Baldrian
Jul 14, 2018·Environmental Microbiology·Maraike ProbstJudith Ascher-Jenull
Apr 14, 2017·Microbiology and Molecular Biology Reviews : MMBR·Salvador LladóPetr Baldrian
Nov 30, 2018·FEMS Microbiology Ecology·Sarah R JohnstonAndrew J Weightman
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Nov 20, 2016·FEMS Microbiology Reviews·Petr Baldrian
Aug 10, 2017·Frontiers in Microbiology·Mareen MoraweSteffen Kolb
Oct 13, 2020·The Science of the Total Environment·Jianqing WangZhiqun Huang

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