Article
A diffusible factor from arbuscular mycorrhizal fungi induces symbiosis-specific MtENOD11 expression in roots of Medicago truncatula.
Plant physiology - 1 Mar 2003
Kosuta Sonja, Chabaud Mireille, Lougnon Géraldine, Gough Clare, Dénarié Jean, Barker David G, Bécard Guillaume
Abstract excerpt
Using dual cultures of arbuscular mycorrhizal (AM) fungi and Medicago truncatula separated by a physical barrier, we demonstrate that hyphae from germinating spores produce a diffusible factor that is perceived by roots in the absence of direct physical contact. This AM factor elicits expression of the Nod factor-inducible gene MtENOD11, visualized using a pMtENOD11-gusA reporter. Transgene induction occurs...
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