Rhizosphere microbiota interfers with plant-plant interactions

Sanon Arsene, Andrianjaka Z.N., Prin Yves, Bailly R., Thioulouse Jean, Comte Gilles, Duponnois Robin. 2010. Rhizosphere microbiota interfers with plant-plant interactions. In : Rhizosphere: achievements and challenges. Dessaux Yves (ed.), Hinsinger Philippe (ed.), Lemanceau Philippe (ed.). Berlin : Springer [Allemagne], pp. 259-278. (Developments in Plant and Soil Sciences, 104) ISBN 978-90-481-2855-6

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Abstract : Diversity, structure and productivity of above-ground compartment of terrestrial ecosystems have been generally considered as the main drivers of the relationships between diversity and ecosystem functioning. More recently it has been suggested that plant population dynamics may be linked with the development of the below-ground community. The biologically active soil zone where root-root and rootmicrobe communications occur is named "Rhizosphere" where root exudates play active roles in regulating rhizosphere interactions. Root exudation can regulate the soil microbial community, withstand herbivory, facilitate beneficial symbioses, modify the chemical and physical soil properties and inhibit the growth of competing plant species. In this review, we explore the current knowledge assessing the importance of root exudates in plant interactions, in communications between parasitic plants and their hosts and how some soil microbial components could regulate plant species coexistence and change relationships between plants. This review will be focussed on several well documented biological processes regulating plant-plant communications such as exotic plant species invasions, negative root-root communication (allelopathy) and parasitic plant / host plant interactions and how some soil microbial components can interfere with signal traffic between roots. The reported data show that the overall effect of one plant to another results from multiple interacting mechanisms where soil microbiota can be considered as a key component. (Résumé d'auteur)

Mots-clés Agrovoc : Micro-organisme du sol, Espèce envahissante, Compétition végétale, Plante

Classification Agris : F40 - Plant ecology
P34 - Soil biology

Champ stratégique Cirad : Hors axes (2005-2013)

Auteurs et affiliations

  • Sanon Arsene, IRD (SEN)
  • Andrianjaka Z.N., CNRS (FRA)
  • Prin Yves, CIRAD-BIOS-UMR LSTM (FRA) ORCID: 0000-0002-3706-0045
  • Bailly R., CNRS (FRA)
  • Thioulouse Jean, CNRS (FRA)
  • Comte Gilles, CNRS (FRA)
  • Duponnois Robin, IRD (SEN)

Autres liens de la publication

Source : Cirad - Agritrop (

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