Fungal lipochitooligosaccharide symbiotic signals in arbuscular mycorrhiza

Fabienne Maillet, Véréna Poinsot, Olivier André, Virginie Puech-Pagès, Alexandra Haouy, Monique Gueunier, Laurence Cromer, Delphine Giraudet, Damien Formey, Andreas Niebel, Eduardo Andres Martinez, Hugues Driguez, Guillaume Bécard and Jean Dénarié ()
Additional contact information
Fabienne Maillet: Laboratoire des Interactions Plantes-Microorganismes, UMR 441/2594 INRA-CNRS, B.P. 52627
Véréna Poinsot: Laboratoire des IMRCP, UMR 5623 CNRS-Université Paul Sabatier, 118 route de Narbonne
Olivier André: Laboratoire des Interactions Plantes-Microorganismes, UMR 441/2594 INRA-CNRS, B.P. 52627
Virginie Puech-Pagès: Université de Toulouse, UPS, UMR 5546, Surfaces Cellulaires et Signalisation chez les Végétaux, BP 42617
Alexandra Haouy: Laboratoire des Interactions Plantes-Microorganismes, UMR 441/2594 INRA-CNRS, B.P. 52627
Monique Gueunier: Laboratoire des Interactions Plantes-Microorganismes, UMR 441/2594 INRA-CNRS, B.P. 52627
Laurence Cromer: Laboratoire des Interactions Plantes-Microorganismes, UMR 441/2594 INRA-CNRS, B.P. 52627
Delphine Giraudet: Laboratoire des Interactions Plantes-Microorganismes, UMR 441/2594 INRA-CNRS, B.P. 52627
Damien Formey: Université de Toulouse, UPS, UMR 5546, Surfaces Cellulaires et Signalisation chez les Végétaux, BP 42617
Andreas Niebel: Laboratoire des Interactions Plantes-Microorganismes, UMR 441/2594 INRA-CNRS, B.P. 52627
Eduardo Andres Martinez: Centre de Recherches sur les Macromolécules Végétales, CNRS (affiliated to Université Joseph Fourier), B.P. 53
Hugues Driguez: Centre de Recherches sur les Macromolécules Végétales, CNRS (affiliated to Université Joseph Fourier), B.P. 53
Guillaume Bécard: Université de Toulouse, UPS, UMR 5546, Surfaces Cellulaires et Signalisation chez les Végétaux, BP 42617
Jean Dénarié: Laboratoire des Interactions Plantes-Microorganismes, UMR 441/2594 INRA-CNRS, B.P. 52627

Nature, 2011, vol. 469, issue 7328, 58-63

Abstract: Abstract Arbuscular mycorrhiza (AM) is a root endosymbiosis between plants and glomeromycete fungi. It is the most widespread terrestrial plant symbiosis, improving plant uptake of water and mineral nutrients. Yet, despite its crucial role in land ecosystems, molecular mechanisms leading to its formation are just beginning to be unravelled. Recent evidence suggests that AM fungi produce diffusible symbiotic signals. Here we show that Glomus intraradices secretes symbiotic signals that are a mixture of sulphated and non-sulphated simple lipochitooligosaccharides (LCOs), which stimulate formation of AM in plant species of diverse families (Fabaceae, Asteraceae and Umbelliferae). In the legume Medicago truncatula these signals stimulate root growth and branching by the symbiotic DMI signalling pathway. These findings provide a better understanding of the evolution of signalling mechanisms involved in plant root endosymbioses and will greatly facilitate their molecular dissection. They also open the way to using these natural and very active molecules in agriculture.

Date: 2011
References: Add references at CitEc
Citations: View citations in EconPapers (5)

Downloads: (external link)
https://www.nature.com/articles/nature09622 Abstract (text/html)
Access to the full text of the articles in this series is restricted.

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:nat:nature:v:469:y:2011:i:7328:d:10.1038_nature09622

Ordering information: This journal article can be ordered from
https://www.nature.com/

DOI: 10.1038/nature09622

Access Statistics for this article

Nature is currently edited by Magdalena Skipper

More articles in Nature from Nature
Bibliographic data for series maintained by Sonal Shukla () and Springer Nature Abstracting and Indexing ().