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Giannis Stringlis
@gstringlis.bsky.social

Super happy to have our work published in one of my favourite journals @newphyt.bsky.social Amazing effort by Jiayu Zhou and colleagues from @utrechtpmi.bsky.social and UvA. You can find it here: nph.onlinelibrary.wiley.com/doi/10.1111/... @cornepieterse.bsky.social

nph.onlinelibrary.wiley.comArabidopsis root defense barriers support beneficial interactions with rhizobacterium Pseudomonas simiae WCS417Plant roots interact with pathogenic and beneficial microbes in the soil. While root defense barriers block pathogens, their roles in facilitating beneficial plant–microbe associations are understud...
Giannis Stringlis
@gstringlis.bsky.social

🔑Key findings: 🌐Plants use structural and chemical barriers not only to block pathogens but also to fine-tune beneficial partnerships. 🌐In 15 Arabidopsis mutants, some defense barriers reduced or enhanced WCS417-driven growth promotion and root colonization.

Giannis Stringlis
@gstringlis.bsky.social

🌐Root exudates from different mutants altered WCS417 transcriptome. Camalexin strongly inhibited bacterial motility/chemotaxis. 🌐On the 🌿side, WCS417 triggered distinct transcriptome/ROS responses depending on defense barrier. 🌐Overall, root defense barriers help plants balance growth and defense.

Giannis Stringlis
@gstringlis.bsky.social

🌍 Why it matters: These insights extend the known role of plant defenses beyond pathogen resistance — showing they are also crucial in managing beneficial microbiome interactions. This could guide new microbe-based strategies for sustainable agriculture.

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