Molecular signals required for the establishment and maintenance of ectomycorrhizal symbioses

© 2015 The Authors. New Phytologist © 2015 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 208(2015), 1 vom: 16. Okt., Seite 79-87
1. Verfasser: Garcia, Kevin (VerfasserIn)
Weitere Verfasser: Delaux, Pierre-Marc, Cope, Kevin R, Ané, Jean-Michel
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, U.S. Gov't, Non-P.H.S. Review arbuscular mycorrhiza common symbiosis pathway ectomycorrhiza effectors nitrogen (N) nutrient exchange phosphorus (P) mehr... signaling Soil Carbon 7440-44-0 Nitrogen N762921K75
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520 |a Ectomycorrhizal (ECM) symbioses are among the most widespread associations between roots of woody plants and soil fungi in forest ecosystems. These associations contribute significantly to the sustainability and sustainagility of these ecosystems through nutrient cycling and carbon sequestration. Unfortunately, the molecular mechanisms controlling the mutual recognition between both partners are still poorly understood. Elegant work has demonstrated that effector proteins from ECM and arbuscular mycorrhizal (AM) fungi regulate host defenses by manipulating plant hormonal pathways. In parallel, genetic and evolutionary studies in legumes showed that a 'common symbiosis pathway' is required for the establishment of the ancient AM symbiosis and has been recruited for the rhizobia-legume association. Given that genes of this pathway are present in many angiosperm trees that develop ectomycorrhizas, we propose their potential involvement in some but not all ECM associations. The maintenance of a successful long-term relationship seems strongly regulated by resource allocation between symbiotic partners, suggesting that nutrients themselves may serve as signals. This review summarizes our current knowledge on the early and late signal exchanges between woody plants and ECM fungi, and we suggest future directions for decoding the molecular basis of the underground dance between trees and their favorite fungal partners 
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700 1 |a Delaux, Pierre-Marc  |e verfasserin  |4 aut 
700 1 |a Cope, Kevin R  |e verfasserin  |4 aut 
700 1 |a Ané, Jean-Michel  |e verfasserin  |4 aut 
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