The BioStimulaTOR Lab

The BioStimulaTOR Lab

@meyerchrisscience.bsky.social

Interested in N metabolism, the plant TOR kinase pathway and biostimulation

71 followers132 following38 posts

The BioStimulaTOR Lab
@meyerchrisscience.bsky.social

TOR the central scrutinizer:)

Plant Science Spotlight@plant-sci.bsky.social

🌰🧬 22 CHV1-regulated genes in the chestnut blight fungus converge on TOR signaling. Mutants show growth restriction, osmotic changes, and trehalose buildup—yet plant signals restore growth and virulence. #plantscience @newphyt.bsky.social nph.onlinelibrary.wiley.com/doi/10.1111/...

nph.onlinelibrary.wiley.comMetabolic convergence on <fc>TOR</fc> signaling in the chestnut blight fungus and its regulation by host plant signalsProposed model of metabolic convergence on the target of rapamycin (TOR) pathway in Cryphonectria parasitica. Twelve core genes involved in diverse metabolic pathways act as upstream regulators or do...
The BioStimulaTOR Lab
@meyerchrisscience.bsky.social

Great! The NOT-TOR link is important for linking nutrient sensing and the regulation of gene expression !

Şuayb Üstün@suaybuestuen.bsky.social

We continue the session about E3 ligases with @djgibbs.bsky.social who is talking about his recent exciting findings about the interplay of E3 ligase NOT4 and TOR signalling (see also his recent publication on this www.nature.com/articles/s41...) #proteostasis @plantproteostasis.bsky.social

The BioStimulaTOR Lab reposted

mentor-program.bsky.social
@mentor-program.bsky.social

❕Newsletter - menTOR Voices! For our first edition, we kick off with Prof. Claudio De Virgilio. In this inaugural interview, he shares insights on key research challenges, the MENTOR program's ambition, and his vision for training the next generation of scientists. www.linkedin.com/pulse/mentor...

linkedin.commenTOR Voices #1 — Lab Showcase: Prof. Claudio De VirgilioWelcome to the inaugural issue of menTOR Voices! Through this monthly series, we take you inside the laboratories, science, and people shaping the menTOR MSCA Doctoral Network. For our first edition, ...

The BioStimulaTOR Lab reposted

Trends in Plant Science
@cp-trendsplantsci.bsky.social

Decoupling developmental and physiological adaptations: a strategy to unleash nutrient use efficiency in plants? #plantscience

dlvr.itDecoupling developmental and physiological adaptations: a strategy to unleash nutrient use efficiency in plants?Plants respond to spatially and temporally variable soil nutrients through root architectural plasticity, regulation of uptake and assimilation per root unit, and plant–soil–microbiome interactions. Although often viewed as complementary, these responses can also behave as compensatory strategies. Under non-optimal nutrient distributions, plants may invest either in greater root proliferation or in higher uptake capacity per root unit. We propose that this development–transport relationship should be understood as an optimization problem, rather than an additive response. Comparable morphology–physiology trade-offs occur in other resource-acquiring organs, including the gut and the lungs. Tuning or partially uncoupling these constraints could redefine crop ideotypes as dynamic combinations of root architecture, physiological elasticity, and controlled rhizosphere outsourcing, opening new routes to improve nutritional efficiencies.
The BioStimulaTOR Lab
@meyerchrisscience.bsky.social

Our fantastic PhD student Samuel Laurent received the award for the best talk by a young scientist at the Plant Energy Management meeting in Montpellier (PEM26)🤗. So proud and so glad !! By the way it was really a great meeting with an open minded and nice community! Thanks to the organizers !!🙏

The BioStimulaTOR Lab reposted

Yann Duroc
@durocyann.bsky.social

Dans un monde sans faucheur on aurait probablement eu des colza transgéniques : Résistant aux meligetes Résistant au phoma Résistant au sclerotinia A teneur élevée en lipides spécifiques Plus efficace pour la nutrition azotée Avec un égrenage réduit Au coté des variétés classiques Qui le sait ?

The BioStimulaTOR Lab reposted

SPS Saclay Plant Sciences
@spsplantsciences.bsky.social

Beware of misinterpretations in -omics analyses! (IPS2-SPS)

nature.comBeware of misinterpretations in -omics analyses! (IPS2-SPS)A very large proportion of false specific DEG when using few replicates and Venn Diagramms.   Omics analyses represent a crucial step in the search for condition-specific events and often rely on Venn diagrams. In stress experiments for example, the presence of differentially expressed genes exclusively under combined stress conditions is frequently interpreted as evidence of non-additive effects: the effect of combined stresses would differ from the sum of the effects of individual stresses.   In an article published in Nature Plants (Ferraro et al. 2026), to test the relevance of this line of reasoning, the Gnet team and the OGE team with several collaborators at IPS2, and the POPS, PAPPSO and Phenoscope platforms, generated a transcriptomic and proteomic dataset under a control condition, two single stresses, and the combination of both stresses, with 22 biological replicates.   Analysing this dataset, Ferraro et al. demonstrate that identifying specific responses using Venn diagrams generates many false positives. This is explained by the low statistical power inherent in most omics studies that use  too few replicates (typically around 3).   Ferraro et al. 2026 thus highlights the need to interpret any claims about the specificity of such omics datasets with caution, and advocate for improvements in statistical modeling to avoid misleading biological interpretations.   Contact : guillem.rigaill@universite-paris-saclay.fr   https://www.nature.com/articles/s41477-026-02303-x     Figure: Evolution of the number of true and false specific DEGs as a function of the number of replicates. (Left) Venn diagram of DEGs under single and combined stress conditions; (Right) Number of genes correctly identified as specific (blue), falsely identified as specific (red), and falsely identified as differentially expressed (gray) as a function of the number of replicates.
The BioStimulaTOR Lab
@meyerchrisscience.bsky.social

TOR is also driving adaptative growth underground ! Congrats

Dhriti Singh@dhritisingh.bsky.social

How do roots change their growth direction when water is limited? Excited to share our new paper where we explored how Glucose–TOR and Cytokinin signaling interact to shape root growth under water-deficit conditions. academic.oup.com/jxb/advance-... @jxbotany.bsky.social

academic.oup.comSweet shaping of root system architecture under water deficitWe uncover the intricate role of glucose–TOR and cytokinin signaling in regulating root growth direction under water deficit, enhancing understanding of ph
The BioStimulaTOR Lab
@meyerchrisscience.bsky.social

Very interesting paper on the role of lipid droplets for viral propagation !

New Phytologist@newphyt.bsky.social

Lipid droplets: new actors of the plant potyvirus infection Jambou et al. @lbm-bordeaux.bsky.social @jluc-gallois.bsky.social and @inrae-bfp.bsky.social nph.onlinelibrary.wiley.com/doi/10.1111/...

The BioStimulaTOR Lab reposted

Katherine Brown
@katherine-brown.bsky.social

Over the past year, @biologyopen.bsky.social has expanded its Fast & Fair initiative to accelerate peer review. The results are impressive - take a look at their latest preprint to find out more: www.biorxiv.org/content/10.6...

biorxiv.orgbiorxiv.org
Daniel Gorelick@danielgorelick.bsky.social

Paying peer reviewers works. Expanded Fast & Fair experiment @biologyopen.bsky.social: • 5.5 vs 37.7 working days to decision with reviews • ~3 vs ~9 reviewer invitations per manuscript • no reduction in editor-assessed review quality • similar acceptance rates www.biorxiv.org/content/10.6...

The BioStimulaTOR Lab reposted

Dr. Serge Zaka
@sergezaka.bsky.social

Waou… Il y a des jours où je n’ai plus les mots. À 17h, déjà 149 records de chaleur ont été battus en France, y compris dans des stations installées au XIXᵉ siècle. En FEVRIER, s'il vous plait (quel délire !), on approche les 30°C au pied des Pyrénées, plus de 25°C sur la moitié nord. 1/5

The BioStimulaTOR Lab reposted

Plant & Cell Physiology
@plantcellphysiol.bsky.social

Radicle, dude! 🏄 Liu et al show that 'target of rapamycin' or TOR signaling regulates #maize radicle development by modulating starch metabolism and energy homeostasis 🌽 🔗 doi.org/10.1093/pcp/... #PlantScience

doi.orgTarget of rapamycin kinase is involved in regulating maize radicle development through starch metabolismAbstract. Target of rapamycin (TOR) signaling plays a pivotal role in regulating various cellular processes, including energy metabolism and growth. In thi

The BioStimulaTOR Lab reposted

Yann Duroc
@durocyann.bsky.social

Houlalala le suspens est insoutenable : ce reportage va t il être anti OGM ? quand on itw - Une chercheuse qui a témoigné au procès des faucheurs volontaires en leur faveur - une ancienne ministre farouchement antiOGM - une ONG anti ogm - le Criigen (au secours) - un député PS anti ogm Suspens

Yann Duroc@durocyann.bsky.social

Je découvre un projet de documentaire d’etudiantes de master sur les NGT …je me dis chouette, des jeunes qui s’intéressent au sujet et apparemment leur démarche est vraiment honnête, cool Et patatras, une vidéo Instagram qui dit que l’UE a redéfini le mot naturel avec une enfilade de perle anti ogm

The BioStimulaTOR Lab
@meyerchrisscience.bsky.social

Indeed a great story illustrating how the plant TOR kinase can control the balance between growth and defense against pathogens !

Jose M. Estevez@estevezjosem.bsky.social

Great story of joing efford leaded by Fucheng Lin and Yan Liang (Hangzhou, China) and collabs include me :)) published in Molecular Plant. New actors in the TOR pathway, uncovered a phosphorylation circuit where pathogen recognition activates the a kinase LORE, a phosphatase LOPP to inactivate TOR.

The BioStimulaTOR Lab reposted

Ben Field 🌿
@benfield1.bsky.social

Our preprint is finally out 🌿 “𝒑𝒑𝑮𝒑𝒑 𝒑𝒓𝒐𝒎𝒐𝒕𝒆𝒔 𝒉𝒊𝒈𝒉-𝒍𝒊𝒈𝒉𝒕 𝒕𝒐𝒍𝒆𝒓𝒂𝒏𝒄𝒆 𝒊𝒏 𝑨𝒓𝒂𝒃𝒊𝒅𝒐𝒑𝒔𝒊𝒔” Its been a journey- first spotted by Matteo Sugliani over ten years ago, carried forward by Shanna Romand, and brought to the finish line with help from many collaborators. #PlantScience tinyurl.com/wpf3bp25

biorxiv.orgGuanosine tetraphosphate (ppGpp) signalling promotes high-light tolerance in Arabidopsis thaliana.Guanosine tetraphosphate (ppGpp) is a hyperphosphorylated nucleotide originally discovered in prokaryotes and found in the chloroplasts of plants and algae. In plants, ppGpp signalling plays a role as...

The BioStimulaTOR Lab reposted

Ralf Reski
@reskilab.bsky.social

Happy to share our latest preprint: Functional Characterization of Target of Rapamycin (TOR) Signalling in Physcomitrella @cibss.bsky.social #Physcomitrella #moss Please check it out. www.biorxiv.org/content/10.1...

biorxiv.orgFunctional Characterization of Target of Rapamycin (TOR) Signalling in PhyscomitrellaTarget of rapamycin (TOR) is a conserved protein kinase and an important signalling hub in eukaryotes. The moss Physcomitrella (Physcomitrium patens) is a model organism for plant physiology, developm...
The BioStimulaTOR Lab
@meyerchrisscience.bsky.social

So glad to share a part of the PhD work of our student Justine Broutin that is now published in Physiologia plantarum! We explored the mechanisms of biostimulation by protein hydrolysates in plants using Arabidopsis and multi level phenotyping. onlinelibrary.wiley.com/share/3P7572...

onlinelibrary.wiley.comMulti‐Level Investigation in Arabidopsis of the Growth‐Stimulating Effects of a Protein Hydrolysate BiostimulantYou have to enable JavaScript in your browser's settings in order to use the eReader.
The BioStimulaTOR Lab
@meyerchrisscience.bsky.social

An important connection with the plant TOR signalling pathway!

Ryo Yokoyama@yokoyama-ryo.bsky.social

IRE1 Regulates TOR Signaling via RIDD of RAPTOR1b to Coordinate Growth and Stress Adaptation www.biorxiv.org/content/10.1...

biorxiv.orgIRE1 Regulates TOR Signaling via RIDD of RAPTOR1b to Coordinate Growth and Stress AdaptationPlant growth and stress resilience depend on integrating diverse signals into coordinated cellular responses. The endoplasmic reticulum (ER) stress sensor IRE1 maintains ER homeostasis and modulates T...
The BioStimulaTOR Lab
@meyerchrisscience.bsky.social

Happy to share our News and Views published with Justine Broutin in @NaturePlants on the role of nitrate and of the NLP7 transcription factor in wheat drought recovery ! Nitrate to spark parched plants rdcu.be/eLiT1

rdcu.beNitrate to spark parched plantsNature Plants - Plants often experience multiple stresses to which they adapt by mounting specific responses. Nitrogen supply allows plants to better recover from drought, and this is linked to...

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