Super excited and honoured to have been awarded an ERC Starting Grant for CooPAIRation! How do plant immune receptors work together to trigger an immune response? Can we modulate immune responses for disease resistance? We will tackle these questions in CooPAIRation Positions to be announced soon!

📣 NEW PREPRINT 📝 We identified evolutionary origins of many fungal effectors! We show that fungi secrete lots of antimicrobial proteins, and that some of them were repurposed by plant pathogens for host immune suppression. www.biorxiv.org/content/10.1... cc @teamthomma.bsky.social

Coming back from 5 days of great science at #2025ISMPMI, I wanted to share some of my highlights, and particularly to mention my favourite presentations by early career researchers. A thread 🧵 ⬇️

I'm very happy that this paper is now published in PNAS! Isochorismate-based salicylic acid biosynthesis appears to have emerged in the Brassicales after the divergence of C. papaya, likely within the timeframe between the divergence of B. maritima and R. odorata. www.pnas.org/doi/10.1073/...

Our paper on Pseudomonas intra-genus competition in SynComs on Arabidopsis roots is now out @plosbiology.org ! 🎉 If you want to chat about the story, visit poster 374 tomorrow, Thursday #2025ISMPMI journals.plos.org/plosbiology/...

Celebrating a new PhD at @mpipz.bsky.social! 🎓 Dr. Ram Sevak Raja Kumar defended her thesis in @hacquardst.bsky.social’s lab. Congrats, and all the best for what’s next! 🌟 #PhDone #PlantScience

📣Paper Alert! 📣New publication out by @hacquardst.bsky.social and his team on the development of MetaFlowTrain – a new tool to study metabolic exchange and interactions within microbial communities @naturecomms.bsky.social 👏🥳Congratulations! 👉https://bit.ly/44jnM1H www.nature.com/articles/s41...

Very clever design and nicely presented. 👍

New post doc opportunity in our team at Kiel University in the north of Germany. We are looking for a motivated molecular biologists to unravel plant-microbe interactions in grasses. Please see: www.uni-kiel.de/personal/de/... More to our research and group here: www.environmental-genomics.de

Come and work with me! The Nature Micro team is expanding and we're looking for someone to champion microbial ecology, plant micro & related areas for the journal Knowledge of microbial ecology/plant micro is desirable but we're open to applications from all microbiologists Link below 👇

Would you like to study metabolite-based microbe-microbe or plant-microbe interactions but do not have the tools to? @chesneau-g.bsky.social came up with a simple solution with great potential! Check out our new publication in @naturecomms.bsky.social and Guillaume’s 🧵 below for details👇

5/5. MetaFlowTrain confirms that specific bacterial exometabolites, not media depletion, drive microbial antagonism. 🦠 Pseudomonas R401 WT suppresses SynCom growth via known inhibitory exometabolites. ❌ A triple mutant loses inhibitory power.

4/5. MetaFlowTrain dissects inter-kingdom microbial interactions via directional exometabolite flow. 🦠 Bacterial SynComs strongly inhibit fungal growth, even without physical contact. 🚫 Up to 82% growth suppression via exometabolites.

3/5. MetaFlowTrain reveals how soil conditioning alters microbial assembly/exometabolite output. 🦠 SynComs exposed to plant-conditioned peat undergo major community shifts & consume key metabolites (α-KG, fumarate). 🌱 BF SynCom-derived exometabolites impact Arabidopsis germination & root growth.

2/5. MetaFlowTrain cultivates diverse microbes & collects their exometabolites under continuous nutrient flow. 🌱 Using sterile peat extract, we grew 11 bacterial & 4 fungal strains from the Arabidopsis root microbiota. 💥 Exometabolite profiles differed significantly by strain.

📝 Paper: www.nature.com/articles/s41... 1/5. 🚂 MetaFlowTrain = 4 modular components: a. Variety of liquid inputs b. 24-channel pump enabling parallel metabolic trains c. 3D-printed gnotobiotic microchambers d. Multi-layered outputs for cell/metabolite analysis 🔗 protocols.io/view/36wgqd68ovk5/v3

🚨Excited to share our new publication! MetaFlowTrain, a highly parallelized and modular fluidic system to study exometabolite interactions between microbes-microbes-plants 🌱 @hacquardst.bsky.social @herpell.bsky.social S.Wolf S.Perin @mpipz.bsky.social www.youtube.com/watch?v=gNUf... 🧵Thread 5/5:

We present MetaFlowTrain, an easy-to-build, highly parallelized, and cost-effective fluidic system for studying microbial exometabolites and their roles in modulating microbe–microbe–host interactions. Kudos to @chesneau-g.bsky.social @mpipz.bsky.social Give it a try: www.nature.com/articles/s41...

New paper from lab- in @newphyt.bsky.social Integrating ecological and evolutionary frameworks for SynCom success. Led by @manudelbaq.bsky.social with Singh, Liu, Sáez-Sandino, Coleine, Muñoz-Rojas, Bastida, Trivedi @microsky.bsky.social nph.onlinelibrary.wiley.com/doi/full/10....

Finally! Im so excited to present to culmination of many years of work from the fantastic Defeng Shen and some great collaborators. For details, I have made a digested thread below, but if you are more interested feel free to reach out (and read the paper of course). www.science.org/doi/10.1126/...

POSTDOC POSITION AVAILABLE, UV-B Perception and Signalling, Geneva, Switzerland. Deadline approaching: 24.02.2025

Happy to share this viewpoint, written together with @fabriceroux7.bsky.social and Fabienne Vailleau @lipme-toulouse.bsky.social nph.onlinelibrary.wiley.com/doi/10.1111/... 1/4

I’m super happy to have a great part of my PhD work (under the wonderful supervision of C. Libourel @pierremarcdelaux.bsky.social & @maximebonhomme.bsky.social) now out in @naturegenet.bsky.social ! Here’s a little thread (1/18) www.nature.com/articles/s41...

1/6 Super excited to share with you our work on Marchantia intra-specific diversity and pan-genomics, just out @naturegenet.bsky.social www.nature.com/articles/s41... Everything on the discoveries in the thread by @chloe-beaulieu.bsky.social I want to emphasize 5 additional points:

Happy to see that our Cell wall integrity #CWI & #ATG8ylation #preprint found a home @natureplants www.nature.com/articles/s41... Congrats Jose, Peng, Alessia & everyone involved. Stay tuned for exciting updates on this story…

New year, new paper! Now published in @nature.com. We identified and characterised diverse immune cell states in plants under pathogen attack. My postdoc work in the Ecker lab at @salkinstitute.bsky.social. A thread (0/n) #PlantScience www.nature.com/articles/s41...

Happy to share our Tansley insight published in @newphyt.bsky.social nph.onlinelibrary.wiley.com/doi/epdf/10.... #plantscience #chromosome #centromere #meiosis

www.nature.com/articles/s41... 🌱🚜 Excited to see our paper in @naturemicrobiol.bsky.social ! Amazing effort by @y-song.bsky.social in collaboration with TU Delft (Neil Budko, Elisa Atza) and the Dutch potato breeding industry to harness the power of the microbiome! 🥔🔬@utrechtpmi.bsky.social

Our latest paper is online: "A nucleoside signal generated by a fungal endophyte regulates host cell death and promotes root colonization". Two fungal enzymes acting cooperatively are key players in this process. Thanks to the fantastic team of scientists. 👇 www.sciencedirect.com/science/arti...

🌾🌱🧪🦠🌍 New study out today! Please share! Meta-analysis of 302 globally sourced AMF inoculant trials. Only 12% of commercial products both boosted crop growth and had effective root colonization by mycorrhizal fungi. #soilscience #PlantScience #mycosky nph.onlinelibrary.wiley.com/doi/10.1111/...

A top european science job opened to applications: Scientific director @pasteur.fr research.pasteur.fr/en/job/insti...

And check out the #FEMS thematic issue on microbiome interactions academic.oup.com/femsre/pages... that was edited by my Co-editor-in-chief Bart Thomma, @teamthomma.bsky.social

This is a recent cool preprint by Dor Russ et al. from Jeff Dangl's lab showing several bacterial genes that affect colonization of a single (plant) host and organ. www.biorxiv.org/content/10.1... Are you familiar with other bacterial genes that have similar host- or organ-specific function?

We are delighted to announce that Maarja Öpik will be New Phytologist's next Editor-in-Chief. Maarja will take up the position from January 2025, for an initial term of five years. www.newphytologist.org/news/view/354

The ECOGEN team @lipme-inrae.bsky.social is searching for 3! PostDocs to join us in the PATHOCOM ERCSyg project in Toulouse, investigating the impact of host and microbial genetics on plant pathogen-pathogen interactions. The links to apply are below. Deadline 29th of Nov!!

I initiated a plant pathology/plant microbe starter pack, feel free to self-nominate 🥀 go.bsky.app/LbYaW8k

Hello new Plant Scientists, 2 Things: 👉 To connect to 150 Plant Science Accounts and 3 relevent feeds, here's a #StarterPack for you: go.bsky.app/8Zfmwf7 👉 To get your #PlantScience posts into the Plant Science Research Feed (here: bsky.app/profile/did:...), always use the Hashtag #PlantScience

📜 From synthetic communities to synthetic ecosystems: exploring causalities in plant–microbe–environment interactions 🧑‍🔬 Guillaume Chesneau, Stéphane Hacquard, et al 📔 @newphyt.bsky.social 🔗 nph.onlinelibrary.wiley.com/doi/10.1111/... #️⃣ #PlantScience #PlantImmunity #PlantMicrobiome #TansleyReview

The department of Chromosome Biology of the Max planck @mpipz_cologne is looking for a new group leader. Join us, with @Polina_Novik @marques_et_al @LabSchneeberger We are very open minded concerning the project, it just needs to be exciting. jobs.mpipz.mpg.de/jobposting/8...