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Fungal control of early-stage bacterial community development in decomposing wood

Christofides, Sarah R, Hiscox, Jennifer, Savoury, Melanie, Boddy, Lynne and Weightman, Andrew J 2019. Fungal control of early-stage bacterial community development in decomposing wood. Fungal Ecology 42 , 100868. 10.1016/j.funeco.2019.100868

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Abstract

The earliest stages of bacterial colonisation of wood have received little attention, particularly with respect to how the colonisation process may be affected by the presence of wood-decay fungi. This study used 16s rRNA gene sequencing to examine the bacterial community in wood that had been incubated in the field for 14 or 84 d, either in wood uncolonised by fungi or pre-colonised by Vuilleminia comedens, Trametes versicolor or Hypholoma fasciculare. All three fungal species significantly delayed bacterial colonisation of the wood. V. comedens and H. fasciculare also reduced bacterial OTU richness and altered bacterial community composition, increasing the relative abundance of Burkholderiales and reducing the proportion of Enterobacteriaceae and Bacteroidetes. Wood that had not been pre-colonised showed seasonal differences between autumn and spring: bacterial richness increased between 14 d and 84 d in the spring, but not in the autumn. Community composition at 84 d in spring was also different to the other time points, with reduced dominance of Gamma-proteobacteria. Archaea were also detected in nearly a third of samples, but with no apparent pattern, and always at low abundances.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
Publisher: Elsevier
ISSN: 1754-5048
Funders: NERC
Date of First Compliant Deposit: 2 October 2019
Date of Acceptance: 28 August 2019
Last Modified: 30 Nov 2019 06:56
URI: http://orca.cf.ac.uk/id/eprint/125845

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