Fungal invasion of the rhizosphere microbiome

E. Chapelle, R. Mendes, P.A.H.M. Bakker, Jos Raaijmakers

Onderzoeksoutput: Bijdrage aan wetenschappelijk tijdschrift/periodieke uitgaveArtikelWetenschappelijkpeer review

7 Downloads (Pure)

Samenvatting

The rhizosphere is the infection court where soil-borne pathogens establish a parasitic relationship with the plant. To infect root tissue, pathogens have to compete with members of the rhizosphere microbiome for available nutrients and microsites. In disease-suppressive soils, pathogens are strongly restricted in growth by the activities of specific rhizosphere microorganisms. Here, we sequenced metagenomic DNA and RNA of the rhizosphere microbiome of sugar beet seedlings grown in a soil suppressive to the fungal pathogen Rhizoctonia solani. rRNA-based analyses showed that Oxalobacteraceae, Burkholderiaceae, Sphingobacteriaceae and Sphingomonadaceae were significantly more abundant in the rhizosphere upon fungal invasion. Metatranscriptomics revealed that stress-related genes (ppGpp metabolism and oxidative stress) were upregulated in these bacterial families. We postulate that the invading pathogenic fungus induces, directly or via the plant, stress responses in the rhizobacterial community that lead to shifts in microbiome composition and to activation of antagonistic traits that restrict pathogen infection.
Originele taal-2Engels
Pagina's (van-tot)265-268
TijdschriftISME Journal
Volume10
Vroegere onlinedatum29 mei 2015
DOI's
StatusGepubliceerd - 2016

Vingerafdruk Duik in de onderzoeksthema's van 'Fungal invasion of the rhizosphere microbiome'. Samen vormen ze een unieke vingerafdruk.

  • Citeer dit