Rhizosphere bacteria from sites with higher fungal densities exhibit greater levels of potential antifungal properties

W. De Boer; A.S. De Ridder-Duine; P.J.A. Klein Gunnewiek; W. Smant; J.A. Van Veen

doi:10.1016/j.soilbio.2007.12.030

Rhizosphere bacteria from sites with higher fungal densities exhibit greater levels of potential antifungal properties

W. De Boer, A.S. De Ridder-Duine, P.J.A. Klein Gunnewiek, W. Smant, J.A. Van Veen

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Abstract

A field study was performed to examine whether an increased density of saprotrophic fungi in the rhizosphere selects for bacteria with traits advantageous to living in a fungal-rich environment. Fast-growing bacteria were isolated from the rhizosphere of Carex arenaria (sand sedge) plants growing in fungal-poor (sand drifts) and fungal-rich (forest) sites in the Netherlands and screened for several potential antifungal properties, namely in vitro antagonism and the production of siderophores, cyanide and lytic enzymes. A higher incidence of putatively antifungal traits was generally found in bacteria isolated from fungal-rich soils, thus supporting the hypothesis that high fungal densities can impose a selection pressure on rhizosphere bacteria.

Original language	English
Pages (from-to)	1542-1544
Journal	Soil Biology & Biochemistry
Volume	40
Issue number	6
DOIs	https://doi.org/10.1016/j.soilbio.2007.12.030
Publication status	Published - 2008

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title = "Rhizosphere bacteria from sites with higher fungal densities exhibit greater levels of potential antifungal properties",

abstract = "A field study was performed to examine whether an increased density of saprotrophic fungi in the rhizosphere selects for bacteria with traits advantageous to living in a fungal-rich environment. Fast-growing bacteria were isolated from the rhizosphere of Carex arenaria (sand sedge) plants growing in fungal-poor (sand drifts) and fungal-rich (forest) sites in the Netherlands and screened for several potential antifungal properties, namely in vitro antagonism and the production of siderophores, cyanide and lytic enzymes. A higher incidence of putatively antifungal traits was generally found in bacteria isolated from fungal-rich soils, thus supporting the hypothesis that high fungal densities can impose a selection pressure on rhizosphere bacteria.",

author = "{De Boer}, W. and {De Ridder-Duine}, A.S. and {Klein Gunnewiek}, P.J.A. and W. Smant and {Van Veen}, J.A.",

note = "Reporting year: 2008 Metis note: 4227;CTE; TME; file:///C:/pdfs/PDFS2008/DeBoer_ea_4227.pdf",

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AU - De Ridder-Duine, A.S.

AU - Klein Gunnewiek, P.J.A.

AU - Smant, W.

AU - Van Veen, J.A.

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AB - A field study was performed to examine whether an increased density of saprotrophic fungi in the rhizosphere selects for bacteria with traits advantageous to living in a fungal-rich environment. Fast-growing bacteria were isolated from the rhizosphere of Carex arenaria (sand sedge) plants growing in fungal-poor (sand drifts) and fungal-rich (forest) sites in the Netherlands and screened for several potential antifungal properties, namely in vitro antagonism and the production of siderophores, cyanide and lytic enzymes. A higher incidence of putatively antifungal traits was generally found in bacteria isolated from fungal-rich soils, thus supporting the hypothesis that high fungal densities can impose a selection pressure on rhizosphere bacteria.

U2 - 10.1016/j.soilbio.2007.12.030

DO - 10.1016/j.soilbio.2007.12.030

M3 - Article

SN - 0038-0717

VL - 40

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EP - 1544

JO - Soil Biology & Biochemistry

JF - Soil Biology & Biochemistry

IS - 6

ER -

Rhizosphere bacteria from sites with higher fungal densities exhibit greater levels of potential antifungal properties

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