New OA Article: "Membrane remodelling mediates lipopeptide-induced immunity in Arabidopsis" rdcu.be/feoNF
Lipid-driven mechanism for immune activation by a bacterial lipopeptide. Perception at the cell membrane leads to deformation, mechanosensing and early signalling. #PlantScience
Posts by Sabine Brumm
Phytophthora targets plant extracellular vesicles to promote infection
->Nature | More on "Plant pathogen extracellular vesicle infection" at BigEarthData.ai | #Infection
That time of year again! If you'd like an example of job apps in academia or industry, here's a good resource. If you got a job in industry or academia in the last few years, please consider adding yours! github.com/RILAB/statem...
Pathogen-inducible expression of autoactive NLRs confers multi-pathogen resistance in tomato
www.biorxiv.org/content/10.1...
AlphaFold 3 captures oligomeric states and interaction dynamics of MLO ion channels www.biorxiv.org/content/10.64898/2026.04...
Specialised root hair cells facilitate rhizobial infection www.biorxiv.org/content/10.64898/2026.04...
Lipid-trap mass spectrometry identifies lipid–protein interactions in cells
www.nature.com/articles/s41...
☕ @mathilda95.bsky.social @nadlerlab.bsky.social & co introduce a correlative light and electron #microscopy workflow, Lipid-CLEM, combining near-native #lipid probes and on-section labelling via click chemistry. Lipid-CLEM quantitatively analyses lipids in membrane nanodomains.
bit.ly/4moYLJH
Cool story and like how your drawings come together. Congratulations to all of you! 🥂
Preprint alert 🚨 (1/10) 🧵
𝘈𝘶𝘵𝘰𝘱𝘩𝘢𝘨𝘺 𝘪𝘴 𝘢 𝘱𝘢𝘳𝘢𝘥𝘰𝘹 𝘪𝘯 𝘱𝘭𝘢𝘯𝘵 𝘪𝘮𝘮𝘶𝘯𝘪𝘵𝘺:
It can promote resistance, susceptibility, or restrict cell death 🤯
So what is its actual role?
We show it acts as a spatial organizer of immunity across cell types 🌱🦠 #proteostasis
www.biorxiv.org/content/10.6...
CypA1 ensures the process of rhizobial intracellular infection.
Cyclophilin A-mediated cis/trans isomerization modulates RIN4 to control intracellular rhizobial infection in #legumes
Takashi Goto, et al.
nph.onlinelibrary.wiley.com/doi/10.1111/...
#PlantScience
Fig. 1 Proposed mechanism of benzoxazinoid (BX) transfer from BX-producing rye plants (Secale cereale) to clover plants (Trifolium repens) in live, arable soil.
Transferred resistance – interspecific transfer of plant defence against soilborne pathogens
📖 nph.onlinelibrary.wiley.com/doi/10.1111/...
👆 A #Commentary by Costa & Mathesius on this article by Hama et al.
👇
📖 nph.onlinelibrary.wiley.com/doi/10.1111/...
#LatestIssue
LipoTag: A minimal motif for live and functional imaging of plant cell membranes. www.biorxiv.org/content/10.64898/2026.04...
New preprint out! 🚀
biorxiv.org/content/10.6...
We mapped how septins organise infection in the rice blast fungus—and found they are far more dynamic than previously thought.
Thread 👇
#FungalPathogenesis #CellBiology #septins
Women in plant science around the world #plantscience
Spatial organization of plant defense at the infection front www.biorxiv.org/content/10.64898/2026.04...
Acute remodeling of phosphoinositide lipids promotes endocytosis downstream of RALF/FERONIA signaling: Current Biology www.cell.com/current-biol...
Thank you Şuayb 😊
10/10 As so often, this has only been possible as a great team effort. So shoutout to my former PI @dromius.bsky.social, @matt-macleod.bsky.social, @marioncmueller.bsky.social, Issac Coven, Edouard Evangelisti, Inma Hernandez-Pinzon and Matthew Moscou and everyone else that helped make this happen.
🧵9/10 Why do hvscar-b,c roots become more resistant against the pathogen but more susceptible to the symbiont? …would I love to know that! So fingers crossed🤞 that I can acquire funding this year to delve deeper into the molecular mechanism leading to SCAR susceptibility functions.
🧵8/10 Why is this exciting:
It shows that HvSCAR-B and HvSCAR-C removal: 1)boosts resistance to a root-infecting pathogen 2) does not impair beneficial mycorrhiza. 3) Under lab conditions, normal mutant growth 4) The susceptibility function works though a mechanism shared across monocots and dicots
🧵7/10 Jackpot: We found less of the pathogen inside the hvscar-b,c double mutant roots. And to our surprise, when we tested the roots for colonization with a symbiotic fungus (F. mosseae), we observed more of the symbiont inside the roots.
🧵6/10 Since HvSCAR-B and -C were both able to rescue api, we generated a double mutant to see if they work redundantly. And indeed, the hvscar-b,c mutant had shorter root hairs, similar to api. However, seed production was not harmed. So what happens if we infect the roots of this mutant?
🧵5/10 At first glance not much: initially HvSCAR CRISPR single mutants grew normally. BUT before harvest we noticed a striking difference: hvscar-a plants produced fewer seeds. However,hvscar-b and -c seed numbers were still comparable to the WT. None of the mutants had shorter root hairs like api.
🧵4/10 We identified three SCAR genes in barley and tested whether they have functions similar to API. Two of the genes, namely HvSCAR-B and HvSCAR-C, are closer related to API and can rescue the api short root hair phenotype. But what happens if we remove these genes from barley (CRISPR)?
🧵3/10 One such candidate: The Medicago SCAR gene API. api mutants show increased resistance to Phytophthora palmivora root infections but beside of shorter root hairs, develop quite normal in the lab. So we asked: Can we transfer the resistance principle from a dicot into a monocot crop species? 🌾
🧵2/10 Microbes rely on susceptibility (S) factors (plant genes) to successfully infect their hosts. Removing S-genes can provide durable and broad resistance. The challenge for resistance engineering: finding those that can be removed without harming plant growth or yield ⚠️
🧵1/X 🚨New Preprint🚨 Root pathogens are hard to manage, and we know little about plant genes enabling infection (susceptibility genes). Here, we show that SCARs are susceptibility factors in barley roots - and their loss affects pathogens/symbionts in distinct ways www.biorxiv.org/content/10.6...
We have been cooking up this story for a while and we are excited to finally be able to share!
Read on if you're interested in whole plant regeneration WITHOUT the application of hormones!