Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 443331
Title Metagenomics of the rhizosphere microbiome to identify disease suppressive bacteria
Author(s) Mendes, R.; Kruijt, M.; Bruijn, I. de; Dekkers, E.; Voort, M. van der; Schneider, J.H.M.; Piceno, Y.M.; DeSantis, T.Z.; Andersen, G.L.; Bakker, P.A.H.M.; Raaijmakers, J.M.
Source In: Book of Abstracts 10th International Congress of Plant Pathology, Beijing, China, 25-30 August 2013. - - p. 509 - 509.
Event 10th International Congress of Plant Pathology: Bio-security, food safety and plant pathology, 25-30 August 2013, Beijing, China, 2013-08-25/2013-08-30
Department(s) Laboratory of Phytopathology
Publication type Abstract in scientific journal or proceedings
Publication year 2013
Abstract Disease-suppressive soils are exceptional ecosystems in which beneficial microorganisms effectively guard plants against soil-borne pathogen infections. For most disease-suppressive soils, however, the microorganisms and mechanisms involved in disease suppression are not known. To identify such disease-suppressive microbes, PhyloChip-based metagenomics of the rhizosphere microbiome was performed and coupled with culture-dependent functional analyses to identify bacterial taxa and mechanisms involved in soil suppressiveness to the fungal root pathogen Rhizoctonia solani. The PhyloChip analyses led to the identification of more than 30,000 bacterial and archaeal taxa from soils with different levels of disease suppressiveness. The results of these analyses specifically pointed to the Proteobacteria, Firmicutes and Actinobacteria as the most dynamic groups associated with disease suppression. Although the richness of these bacterial taxa was not significantly different between suppressive and conducive soils, their relative abundance correlated well with the different levels of disease suppressiveness. Targeted isolation and functional analyses led to the identification of specific members of the ¿-Proteobacteria with in vitro and in situ activity against Rhizoctonia solani. In conclusion, this study provides new insights into rhizobacterial diversity and fundamental mechanisms underlying multi-trophic interactions in natural disease suppressive soils.
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