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Interactions between plants and beneficial Pseudomonas spp.: exploiting bacterial traits for crop protection

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Abstract

Specific strains of fluorescent Pseudomonas spp. inhabit the environment surrounding plant roots and some even the root interior. Introducing such bacterial strains to plant roots can lead to increased plant growth, usually due to suppression of plant pathogenic microorganisms. We review the modes of action and traits of these beneficial Pseudomonas bacteria involved in disease suppression. The complex regulation of biological control traits in relation to the functioning in the root environment is discussed. Understanding the complexity of the interactions is instrumental in the exploitation of beneficial Pseudomonas spp. in controlling plant diseases.

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Abbreviations

AHL:

N-acyl-homoserine lactone

DAPG:

2,4-diacetylphloroglucinol

ISR:

Induced systemic resistance

PCA:

Phenazine-1-carboxylic acid

PGPR:

Plant growth promoting rhizobacteria

SA:

Salicylic acid

SAR:

Systemic acquired resistance

TAD:

Take-all decline

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Acknowledgements

Thanks are due to Prof. José Olivares for the critical reading of an earlier version of the manuscript, and for his interesting advices. We are also grateful to the anonymous reviewers for their valuable comments and suggestions.

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  1. Departamento de Protección de Cultivos, Instituto de Agricultura Sostenible, Consejo Superior de Investigaciones Científicas (CSIC), Apartado 4084, 14080, Cordoba, Spain

    Jesús Mercado-Blanco

  2. Plant Microbe Interactions, Institute of Environmental Biology, Utrecht University, P.O. Box 80084, 3508 TB, Utrecht, The Netherlands

    Peter A. H. M. Bakker

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  1. Jesús Mercado-Blanco
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Correspondence to Jesús Mercado-Blanco.

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Mercado-Blanco, J., Bakker, P.A.H.M. Interactions between plants and beneficial Pseudomonas spp.: exploiting bacterial traits for crop protection. Antonie van Leeuwenhoek 92, 367–389 (2007). https://doi.org/10.1007/s10482-007-9167-1

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