Table 1.

Experimental conditions considered in RT-qPCR experiments.

Experimental Condition	ID	Description
Symbiotic roots/protocorms	SYM	Roots of C. purpurata seedlings or S. vomeracea protocorms colonized by T. calospora
Dark colonized protocorm/seedlings	DP	Protocorms/young seedlings of C. purpurata or protocorms of S. vomeracea, colonized by T. calospora, turned brown/black
Free-living fungus on dead plant tissues	WS	Dead leaves obtained from asymbiotic growth, then aseptically dried and inoculated with T. calospora
Free-living fungus on OA	OA	Free-living T. calospora grown on a complex Oat-meal Agar medium
Free-living fungus on MMN	MMN	Free-living T. calospora grown on mineral Melin-Norkins modified medium