Current Insights into the Role of Rhizosphere Bacteria in Disease Suppressive Soils

Disease suppressive soils offer effective protection to plants against infection by soil-borne pathogens, including fungi, oomycetes, bacteria, and nematodes. The specific disease suppression that operates in these soils is, in most cases, microbial in origin. Therefore, suppressive soils are consid...

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Published inFrontiers in microbiology Vol. 8; p. 2529
Main Authors Gómez Expósito, Ruth, de Bruijn, Irene, Postma, Joeke, Raaijmakers, Jos M
Format Journal Article
LanguageEnglish
Published Switzerland Frontiers Media S.A 18.12.2017
Subjects
antagonism by rhizobacteria
Biointeractions and Plant Health
disease suppressive soil
Laboratorium voor Fytopathologie
Laboratorium voor Phytopathologie
Laboratory of Phytopathology
Microbiology
omics technologies
pathogen suppression
PE&RC
PPO/PRI Biointeracties en plantgezondheid
PPO/PRI Biointeractions and Plant Health
rhizosphere microbiome
omics technologies
antagonism by rhizobacteria
pathogen suppression
disease suppressive soil
rhizosphere microbiome
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Summary:Disease suppressive soils offer effective protection to plants against infection by soil-borne pathogens, including fungi, oomycetes, bacteria, and nematodes. The specific disease suppression that operates in these soils is, in most cases, microbial in origin. Therefore, suppressive soils are considered as a rich resource for the discovery of beneficial microorganisms with novel antimicrobial and other plant protective traits. To date, several microbial genera have been proposed as key players in disease suppressiveness of soils, but the complexity of the microbial interactions as well as the underlying mechanisms and microbial traits remain elusive for most disease suppressive soils. Recent developments in next generation sequencing and other 'omics' technologies have provided new insights into the microbial ecology of disease suppressive soils and the identification of microbial consortia and traits involved in disease suppressiveness. Here, we review the results of recent 'omics'-based studies on the microbial basis of disease suppressive soils, with specific emphasis on the role of rhizosphere bacteria in this intriguing microbiological phenomenon.
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This article was submitted to Plant Microbe Interactions, a section of the journal Frontiers in Microbiology
Reviewed by: Fernando Dini Andreote, University of São Paulo, Brazil; Brajesh Singh, Western Sydney University, Australia
Edited by: Jan Dirk Van Elsas, University of Groningen, Netherlands
ISSN:1664-302X
1664-302X
DOI:10.3389/fmicb.2017.02529