Published 2026
| Version v2
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A beneficial root endophyte buffers natural variation in pathogen susceptibility in Arabidopsis
Creators
- 1. University of Cologne, Institute for Plant Sciences
- 2. Universität zu Köln, CEPLAS;COS Heidelberg, Molecular Biology of Plants
- 3. University of Cambridge, Crop Science Centre, Department of Plant Sciences;Universität zu Köln, Institute for Plant Sciences;John Innes Centre, Crop Genetics;Germains Seed Technology, R&D
- 4. Heinrich Heine University Düsseldorf, Institute for Biological Data Science
- 5. University of Cologne,
- 6. Jardim Botânico do Rio de Janeiro, Plant Molecular Biology;Finep, Department of Health and Quality of Life;Eurofins (Brazil), Organic Chemistry and Microbiology
- 7. University of Cologne, Institute for Plant Sciences;John Innes Centre, Metabolic Biology;Albert-Ludwigs-Universität Freiburg, Tree Physiology;Universität Bern, Institute of Plant Science
- 8. University of Cologne, Botanical Institute;John Innes Centre, Metabolic biology;Albert-Ludwigs-Universität Freiburg, Plant biotechnology;Universität Bern, Institute of Plant Sciences
- 9. Heinrich Heine University Düsseldorf, Institut of Biological Data Science;Forschungszentrum Jülich, IBG-4 Bioinformatics
- 10. Universität zu Köln Fachgruppe Biologie, Botanical Institute
Description
Plants host diverse communities of root-associated microbes, ranging from pathogens to mutualists. In geographically distinct Arabidopsis thaliana (At) populations, the composition of endophytic communities is strongly shaped by environmental factors such as soil characteristics and climate (Almario et al., 2017; Thiergart et al., 2020). Nonetheless, host genetic variation also plays a critical role in structuring the plant microbiome (Horton et al., 2014; Deng et al., 2021; Zhang et al., 2023). Genetic differences, particularly at loci involved in immune responses, hormone signaling, and cell wall integrity, can influence a plant's ability to recruit specific microbial partners (Bulgarelli et al., 2012; Lundberg et al., 2012; Schlaeppi et al., 2014; Horton et al., 2014). Consequently, natural Arabidopsis accessions vary in their capacity to accommodate beneficial microbes and in their susceptibility to pathogens (Brachi et al., 2022). While genotype-dependent differences in bacterial communities have been widely explored, whether root-colonizing fungi can buffer natural variation in pathogen susceptibility remains comparatively understudied.
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Dates
- Submitted
-
2027-08-27