© Aurélie LE RU/FRAIB/LRSV université Toulouse 3/CNRS Images



Champignon symbiotique mycorhizien observé dans un segment de racine d'une plante terrestre

Root of a land plant containing a mycorrhizal symbiotic fungus, Gigaspora rosea. The root is observed using a fluorescence confocal microscope and the fungus is marked in green in the root tissues with a specific colourant: a fluorochrome-coupled lectin. The fungus penetrates inside the plant cells, where it forms structures known as arbuscules. This is where the two partners exchange nutrients.

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