Publication Details |
| Category | Text Publication |
| Reference Category | Journals |
| DOI | 10.1186/s13059-025-03911-0 |
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| Title (Primary) | Biogeography influences plant-microbe interactions and natural soil suppressiveness to black root rot disease of tobacco |
| Author | Catry, A.; Abrouk, D.; Fierling, N.; Mendoza, A.I.S.; Rey, M.; Vesga, P.; Heiman, C.M.; Garrido-Sanz, D.; Bouffaud, M.-L.; Buscot, F.; Giongo, A.; Smalla, K.; Comte, G.; Keel, C.; Muller, D.; Moënne-Loccoz, Y. |
| Source Titel | Genome Biology |
| Year | 2026 |
| Department | GF; AECOL |
| Volume | 27 |
| Page From | art. 16 |
| Language | englisch |
| Topic | T5 Future Landscapes |
| Data and Software links | https://doi.org/10.5281/zenodo.17631232 |
| Supplements | Supplement 1 Supplement 2 |
| Keywords | rhizosphere microbiome; root disease; black root rot disease; disease-suppressive soil; metagenomics; metabarcoding; soil metabolome; plant metabolome; biogeography |
| Abstract | Background In disease-suppressive soils, the rhizosphere microbiota protects plants from root disease(s). However, the soil microbiome follows distinct spatial patterns, and the biogeographic factors shaping plant–microbe interactions and soil suppressiveness remain poorly understood. Here, we use Swiss and Savoie soils suppressive or conducive to Thielaviopsis basicola-mediated black root rot of tobacco, to test the hypothesis that plant–microbe interactions and suppressiveness are influenced by both the geological origin and geographic positioning of soils. Soils are compared based on tobacco health, soil physicochemistry and organic matter profiles, taxonomic and functional microbial diversity, and plant physiological responses. Results Soil physicochemistry and metabolomic profiling of soil organic matter show differences based on suppressiveness status, soil geology and geography. The taxonomic (metabarcoding of prokaryotes and fungi) and functional (metagenomics) diversity of the tobacco rhizosphere reveals that the microbiota is influenced by geography and geology which, in turn, affects suppressiveness. Additionally, shoot metabolomics shows that tobacco responses are impacted by soil geography and geology, particularly in Savoie soils regarding two nicotinic derivatives. Conclusions Overall, suppressiveness is influenced by both the geological origin and geographic positioning of the soils, with distinct patterns in the two regions. In Swiss soils, suppressiveness is primarily associated with major differences in rhizosphere microbiota composition and functions between suppressive and conducive soils. In contrast, in Savoie soils, suppressiveness is linked to distinct plant physiological responses (pointing to induced systemic resistance) rather than strong microbial shifts. This study highlights the importance of considering the biogeographic features shaping disease-suppressive soils and their microbiota-plant interactions. |
| Catry, A., Abrouk, D., Fierling, N., Mendoza, A.I.S., Rey, M., Vesga, P., Heiman, C.M., Garrido-Sanz, D., Bouffaud, M.-L., Buscot, F., Giongo, A., Smalla, K., Comte, G., Keel, C., Muller, D., Moënne-Loccoz, Y. (2026): Biogeography influences plant-microbe interactions and natural soil suppressiveness to black root rot disease of tobacco Genome Biol. 27 , art. 16 10.1186/s13059-025-03911-0 |
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