A fungal root endophyte functionally complements host immunity and mitigates natural immune variation in Arabidopsis
Natalie Peltz, Laura Armbruster, Christopher Stephens, Vivien Joisten-Rosenthal, Tim Thomsen, Alex W. Yan, Nick Dunken, Renan Granado, Stanislav Kopřiva, Juliette de Meaux, Gregor Langen, Anna Kopřivová, Björn Usadel, Alga Zuccaro
This study shows that the fungal endophyte Serendipita indica reduces disease susceptibility in Arabidopsis regardless of host genotype and that the immune receptor ISI contributes to root immunity but is not required for endophyte protection.
bioRxiv · Dec 4, 2025 · PreprintEcology