Alisa Keyl

Organ-specific expression of phosphate transporter, proton pump, and phosphatase genes in Marchantia polymorpha.

Rhizoids function as nutrient uptake organs in a non-vascular land plant

Kanno et al.

nph.onlinelibrary.wiley.com/doi/10.1111/...

Really happy to see this one out: www.sciencedirect.com/science/arti... Alibek's drive & great coll w/ friends @gekaragoz.bsky.social & E. Hallacli resulted in a cool story that starts with our beloved #Marchantia and ends with iPSC-derived neurons 🤩🤪 A short 🧵

Fig. 1 CLAVATA3/EMBRYO SURROUNDING REGION (CLE) in biotic plant interactions.

✨ Paper spotlight ✨

(🧵 1/6) CLE peptides in plant biotic interactions
nph.onlinelibrary.wiley.com/doi/10.1111/...

Plant Cell Wall Remodeling and Peptide Signaling Under Abiotic and Biotic Stress #review #PlantCommunications cell.com/plant-commun...

1/9 Our latest paper on immunity mechanisms in Marchantia just out @pnas.org ! 🔽

Close collaboration between our former PhD students @karimaelm.bsky.social and @chloe-beaulieu.bsky.social !

and the old gard @jacquet-chris.bsky.social @maximebonhomme.bsky.social

www.pnas.org/doi/10.1073/...

Fig. 1 (shortened, full legend in paper): Simplified scheme showing biosynthesis of major plant lipids in plants. Acetyl-CoA carboxylase (ACC) and fatty acid synthase (FAS) complexes are critical enzymes in fatty acid (FA) biosynthesis. In plants, FAS is a multiprotein complex comprising various enzymes responsible for acyl transfer, carbon chain elongation, and reaction termination. The initial condensation reaction is facilitated by β-ketoacyl-ACP synthase III (KASIII), while the six subsequent condensation steps are carried out by KASI, resulting in the production of C16:0. This product is elongated to C18:0 by the action of KASII. The C18:0 is then desaturated to C18:1, a process mediated by the stearoyl-acyl carrier protein (ACP) desaturase encoded by SSI2.

🧱🛡️ REVIEW 🛡️🧱

The cuticle regulates transpirational pull and apoplastic transport of salicylic acid. Sterols and sphingolipids control plasmodesmatal permeability, while glycerol-3-phosphate stabilizes trans-acting siRNA 3a - Liu et al.

🔗 doi.org/10.1093/jxb/...
#PlantScience 🧪

Close-up of a closed aspen bud in front of a black background. Photo: Aswin Nair

Three men are standing in a greenhouse with young aspen trees in the back. Only the upper body is visible. All are looking into the camera. Photo: Abhideep Pal

Close-up of an open aspen bud in front of a black background

🧪🌾News - How do trees know when winter has really begun?

New research from the Bhalerao group in @natcomms.nature.com shows that trees don’t just count cold hours - they also use brief warm spells early in winter.

📸 From left: @shkpandey.bsky.social, Bibek Aryal & @sisiphusonbreak.bsky.social

Please share!
My group at @zmbp-tuebingen.bsky.social is offering a post-doctoral position (4 years). We look for a structural biologist with experience in Cryo-EM/Cryo-ET to investigate the mechanisms of host invasion by pathogenic fungi. Deadline February 28th!
uni-tuebingen.de/universitaet...

Please share!
PhD position (4 years) available in my group @zmbp-tuebingen.bsky.social. We look for candidates with solid aptitude in computer science to cross disciplines and use cutting edge imaging to understand host infection by destructive plant pathogens.
uni-tuebingen.de/universitaet...

Developmental and abiotic stress assays in Columbia-0 (Col-0) and mutants (abi1-1 and defenseless).

Decoding plant defense signaling using the defenseless mutant

Baral and Brosché

nph.onlinelibrary.wiley.com/doi/10.1111/...

Chromatin state architecture governs transcription factor accessibility across plant genomes Author summary In eukaryotes, DNA is tightly associated with histone proteins. Histone covalent modifications and histones isoforms, also called histone variants provide most of the complexity of chro...

This is a very special paper for me. I had the idea of combining transcription factor binding with chromatin in 2016/8. It took some time, but thanks to Fred and Vikas, we can finally share the story in @plos.org Genetics looking at chromatin states in Arabidopsis and Marchantia. #PlantScience

What an intense week we had! Last Wednesday, Shubhangi Kalla from @volkerlipka.bsky.social's lab had her defence. Congratulations! 💐

A Marchantia gemmaling producing ectopic vegetative propagules

Happy to share the pre-print on GEMMIFER, a novel ERF required for the initiation of gemma in Marchantia. One of the coolest phenotypes that I have ever seen. Congratulations to Yuki and Go, who led this research. #PlantScience @biorxiv-plants.bsky.social www.biorxiv.org/content/10.6...

Postdoctoral and Doctoral Researchers in Plant Developmental Biology Postdoctoral and Doctoral Researchers in Plant Developmental Biology

We’re hiring! 🌱
Open positions in my lab for candidates interested in cambium development in Arabidopsis, hybrid aspen, or silver birch. Apply now! Please repost! jobs.helsinki.fi/job/Helsinki...

🚨We’re hiring! Please help spread the word!
Our lab at @TheSainsburyLab is recruiting a pre-doctoral intern to work on plant immunity research. Ideal for those who are planning to pursue a PhD and seeking research experience. tatsuyanobori.com

New opportunity to join our #EvoMPMI group @johninnescentre.bsky.social as a Postdoctoral Researcher working on the mechanistic basis of immunity in diverse plants. Please spread the word, reach out by email, and/or apply if interested! More details here: www.jic.ac.uk/vacancies/po...

Salicylic Acid and the unique TGA transcription factor controls plant immunity against Pseudomonas syringae in Marchantia polymorpha ABSTRACT. Land plants have co-evolved with microorganisms since its transition to a terrestrial habitat around 500 million years ago. In angiosperms, salic

Salicylic Acid and the unique TGA transcription factor controls plant immunity against Pseudomonas syringae in Marchantia polymorpha

#Marchantia #EvoMPMI

academic.oup.com/pcp/article/...

The B-class auxin response factor MpARF2 is essential for meristem organization in free-living plant gametophytes Land plants (embryophytes) are multicellular eukaryotes with a remarkable capacity to grow continuously during their life span. They achieve this by m…

Out today... From Bowman lab, MpARF2 is the first essential transcription factor to be described for meristem maintenance in Marchantia. Glad to have contributed to another paper with Eduardo. #plantsciences #evodevo www.sciencedirect.com/science/arti...

Fig. 2 (shortened, full legend in paper): Perturbations of SlMYB41, SlMYB92, and SlWRKY71 expression affect the suberization of tomato exodermis. (A) Percentage of cross-sections showing a non-suberized, an early suberized (suberin in <50% of exodermal cells), or a late suberized (suberin in >50% of exodermal cells) exodermis phenotype in hairy root cultures of the control (empty vector), CRISPR knockout lines [Slmyb41-ko, Slmyb92-ko, Slwrky71-ko(4), and Slwrky71-ko(5)], and overexpressing lines (SlMYB41-OX, SlMYB92-OX, and SlWRKY71-OX). The number above the bars represents the number (n) of individual roots examined in each genotype. Asterisks denotes statistically significant differences between each line in comparison with the empty vector control, whereas n.s. indicates no significant differences (P<0.05, χ2 test).

🧬 🍅 SPECIAL ISSUE RESEARCH 🍅 🧬

MYB and WRKY transcription factors collaboratively regulate suberin biosynthesis in the tomato root exodermis. Antagonistic interactions may fine-tune suberization or act as a brake on overaccumulation - Jo et al.

🔗 doi.org/10.1093/jxb/...

#PlantScience 🧪

CC-NLRs exhibit diverse conformations in the resting state. Figure depicts different NLR resting and activated states. While ZAR1 exists as a monomer bound to its guardees in its resting state, several forms have been observed for the NRC2 helper, including dimers, tetramers, and filaments. While filament-like structures were observed via confocal microscopy for NRC2 upon overexpression in planta, these structures were not detected for its paralog NRC4, suggesting a potentially different resting state configuration for NRC4. Our work suggests that the Pik CC-NLR pair forms a hetero-complex bound to the plasma membrane in its resting state. How effector binding to the integrated domain (ID) of the Pik-1 sensor leads to the activation of the complex remains to be determined.

Excited to share our latest work on plant immune receptor biochemistry! @kamounlab.bsky.social @hsuanpai.bsky.social @mpcontreras.bsky.social Jose Salguero Linares @danielluedke.bsky.social @adnroide.bsky.social @jiorgoskourelis.bsky.social

www.biorxiv.org/content/10.6...

There are a couple of empty chairs at our table — want to sit with us?
Reach out to me or any lab member www.oeaw.ac.at/gmi/research... We’ll be hiring two postdocs in 2026.
We’re excited about ambitious and creative ideas and are committed to supporting future group leaders 1/2

PhD opportunity in our lab - deadline passes on Dec 2nd - don’t miss out!

Ethylene modulates cell wall mechanics for root responses to compaction - Nature Soil compaction traps ethylene around roots, which causes transcriptional upregulation of Auxin Response Factor1, resulting in decreased root cortical cell wall thickness and thereby promoting root ra...

Zhang et al. Ethylene modulates cell wall mechanics for root responses to compaction. Nature (2025).
doi.org/10.1038/s415...

#root lipid droplets

This year’s @embo.org Workshop is held at the @viennabiocenter.bsky.social. Open to 120 participants, it is over-enrolled with 180 attendees! Thank you to the organizers @isabelmonte.bsky.social, Aino Komatsu, @moodytomato.bsky.social, and Liam Dolan for making this event possible. #EMBOplantEvo

Symbiotic diversification relies on an ancestral gene network in plants Symbioses have been fundamental to colonization of terrestrial ecosystems by plants and their evolution. Emergence of the ancient arbuscular mycorrhizal symbiosis was followed by the diversification o...

1/ It is my pleasure to share the latest preprint of the team: "Symbiotic diversification relies on an ancestral gene network in plants"

doi.org/10.1101/2025...

Here, we identified and functionally validated a novel master regulator of intracellular symbioses!

A thread ...
#PlantScience

Guns in rosettes: The Arabidopsis chemical weapons arsenal Arabidopsis remains one of the best-studied models today and has a number of remarkable chemical defense systems which actively engage, interact, and preve

Guns in rosettes: The Arabidopsis chemical weapons arsenal (Marc Somssich, Daniel J Kliebenstein, Tonni Grube Andersen) doi.org/10.1093/plph... #PlantScience @aspbofficial

Postdoc position in my lab in Cologne starting early next year or latest in spring to get this exciting project started.

jobportal.uni-koeln.de/ausschreibun...

Plants have a secret language that scientists are only now starting to decipher Nature - Signals from the plant cell wall help to orchestrate growth, reproduction and immune function. Can harnessing this molecular cross talk help in creating better crops?

Scientists long thought the plant cell wall to be dead, but it's an active, even chatty participant in cellular growth, reproduction and responses to infection

go.nature.com/4oK8xWu

Hi all @plantsciencedbg.bsky.social members and other 🌽community folks, #MBP2026 🌱 is no open for registration. Please 🏄‍♀️ to: www.pflanzen-molekularbiologie.de/en/conferenc...