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Article

A coumarin exudation pathway mitigates arbuscular mycorrhizal incompatibility in Arabidopsis thaliana.

Plant molecular biology - 1 Jul 2021

Cosme Marco, Fernández Iván, Declerck Stéphane, van der Heijden Marcel G A, Pieterse Corné M J

Abstract excerpt

KEY MESSAGE: Overexpression of genes involved in coumarin production and secretion can mitigate mycorrhizal incompatibility in nonhost Arabidopsis plants. The coumarin scopoletin, in particular, stimulates pre-penetration development and metabolism in mycorrhizal fungi. Although most plants can benefit from mutualistic associations with arbuscular mycorrhizal (AM) fungi, nonhost plant species such as the model...

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PMID: 33825084
DOI: 10.1007/s11103-021-01143-x

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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