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Marco Trujillo

@trujillolab.bsky.social
558 followers 677 following 40 posts

Fascinated by ubiquitination. Works at the RWTH Aachen University. Tweets are my own.

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Reposted by Marco Trujillo
Sophien Kamoun @kamounlab.bsky.social · 27/09/2026
I just published: How do we recognize world-class science? Not by the journal it appeared in What I told early-career researchers about prediction, rigour, failure, priors — and the tyranny of bar graphs. kamounlab.medium.com/how-do-we-re...
kamounlab.medium.com
How do we recognize world-class science? Not by the journal it appeared in
What I told early-career researchers about prediction, rigour, failure, priors — and the tyranny of bar graphs.
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Mariana Schuster @marischuster.bsky.social · 27/09/2026
Still one week to apply!
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Elwira Smakowska-Luzan @elwirasmakowska.bsky.social · 16/09/2026
Glycan recognition by a plant damage-sensing immune receptor | Science www.science.org/doi/10.1126/...
science.org
Glycan recognition by a plant damage-sensing immune receptor
Pathogens target and degrade the extracellular matrix surrounding plant cells. A central question is how cell wall-derived damage-associated molecular patterns (DAMPs) are recognized and integrated to...
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Reposted by Marco Trujillo
Pingtao Ding (he/him) @dinglab.bsky.social · 17/09/2026
Two back-to-back publications about transcriptional regulations of SA-mediated activation of plant immunity from Nin Zheng’s lab and Yuelin Zhang’s lab www.nature.com/articles/s41... www.nature.com/articles/s41...
nature.com
Transcriptional activation of plant immunity by salicylic acid - Nature
A mechanistic basis for how the hormone salicylic acid promotes transcriptional activation during plant immune responses is described.
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MRC Laboratory of Molecular Biology @mrclmb.ac.uk · 16/09/2026
How do cells remove abnormal glycogen? Led by Matthew Yip, using mouse models, cell engineering & cryo-ET, Felix Randow's group found that RNF213 ubiquitylates aberrant glycogen to trigger autophagy. mrclmb.ac.uk/news-events/articles/h… #LMBResearch
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IMPRS for Living Matter @imprs-lm.bsky.social · 15/09/2026
🔍 Curious about how the proteolytic enzymes of the ubiquitin system work—and how these mechanisms can inspire new therapeutic strategies? Apply for a #PhDposition in the Gersch lab @maltegersch.bsky.social at @imprs-lm.bsky.social #proteolysis #ubiquitin #biochemistry #proteinchemistry
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Elke Barbez @elkebarbez.bsky.social · 15/09/2026
How is CRISPR embedded in society—and how can it change agriculture? 🌱🧬 Ursula Franklin argued long before CRISPR-Cas that technologies are shaped by the systems around them: regulation, access and trust! rdcu.be/xuiHDM7EB5Ka #NGT @kleinevehnlab.bsky.social @cibss.bsky.social @uni-freiburg.de
rdcu.be
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Şuayb Üstün @suaybuestuen.bsky.social · 09/09/2026
Today is the day: join the #proteostasis session at #BT2026 - @shanshuo.bsky.social will talk about her exciting findings on how „autophagy acts as a spatial organizer of cell-type specific immunity“. Come if u like stomata, microbes🦠 & single cell RNAseq! www.biorxiv.org/content/10.6...
biorxiv.org
Autophagy acts as a spatial organizer of cell-type-specific plant immunity
Effective plant immunity requires precise spatial coordination of immune responses across cell-types to restrict pathogens while preventing tissue damage, yet the intracellular pathways that organize ...
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The Plant Cell @theplantcell.bsky.social · 03/09/2026
The plant RABC1 GTPase coordinates with exocyst component SEC5A in regulating ER-phagy under endoplasmic reticulum stress (Shuai Hu , Dongmei Zhu , Xiaohui Ma , et al) doi.org/10.1093/plce... #PlantScience @aspbofficial
doi.org
The plant RABC1 GTPase coordinates with exocyst component SEC5A in regulating ER-phagy under endoplasmic reticulum stress
Autophagy maintains cellular homeostasis under stress, but how membrane-trafficking regulators coordinate selective ER turnover in plants is unclear. Here,
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Marco Trujillo @trujillolab.bsky.social · 03/09/2026
Fantastic news! Felicitaciones Mariana!
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IPB Halle @ipbhalle.bsky.social · 03/09/2026
Our junior research group leader, Mariana Schuster, has been awarded the ERC Starting Grant, which comes with a grant of 1.5 million euros. Congratulations @marischuster.bsky.social! #ERCStg @erc.europa.eu More Information: www.ipb-halle.de/en/article/e...
ipb-halle.de
ERC Starting Grant: 1.5 Million Euros for Excellent Research on Plant Immunity
IPB Press Release, September 3, 2026 A great success for plant research at the Leibniz Institute of Plant Biochemistry (IPB) in Halle: The independent junior research group leader Mariana Schuster has been awarded a highly funded ERC Starting Grant from the European Research Council for her FRONTERA project. Over a period of five years and with funding of 1.5 million euros, she and her team will investigate how the targeted cleavage of membrane proteins regulates the immune defense of plants.
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Angelina Gross @angegross.bsky.social · 05/08/2026
I always have a soft spot for lipids and autophagy.
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The EMBO Journal @embojournal.org · 11/08/2026
What’s the function of embryonic ‘cytoplasmic lattices’? Using cryo-ET, @kashishsingh.bsky.social @carter-lab.bsky.social and coworkers reveal them as megadalton-size hubs of ubiquitination proteins/ubiquitin transfer link.springer.com/article/10.1...
link.springer.com
In-situ cryo-ET of mouse embryos reveals cytoplasmic lattices contain ubiquitin-charged E2-E3 ligase assemblies - The EMBO Journal
Cytoplasmic lattices (CPLs) are filamentous assemblies essential for mammalian embryonic development. They are known to regulate organelle organization, spindle assembly, and protein homeostasis, but ...
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Nature Reviews Drug Discovery @natrevdrugdiscov.nature.com · 11/08/2026
For readers interested in targeted protein degradation, this Perspective in the August issue discusses safety considerations in the development of PROTAC and molecule glue drug candidates that recruit the E3 ligase cereblon www.nature.com/articles/s41... rdcu.be/fzgJJ
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Martina Foglizzo @foglizzomartina.bsky.social · 11/08/2026
Extremely happy to see that my latest work on understanding how ARISC-RAP80 recognises and cleaves ubiquitin chains is now published @natcomms.nature.com Check it out if you are interested in #DUBs, #DNA repair, or #cryo-EM: www.nature.com/articles/s41...
nature.com
Mechanism of K63-linked polyubiquitin recognition and cleavage by the BRCA1-A complex - Nature Communications
How the BRCA1-A complex finds and removes ubiquitin signals at DNA breaks remains unknown. Here the authors show that ARISC–RAP80 binds K63-linked ubiquitin chains through multiple subunits and non-ca...
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Waggoner Lab @labwaggoner.bsky.social · 10/07/2026
Virome-wide ubiquitin ligase discovery reveals diverse mechanisms of immune evasion @science.org @harvardmed.bsky.social www.science.org/doi/10.1126/...
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Craig A. Goodman @craigagoodman1.bsky.social · 25/07/2026
The role of E3 ubiquitin ligases in selective types of macroautophagy link.springer.com/article/10.1...
link.springer.com
The role of E3 ubiquitin ligases in selective types of macroautophagy - EMBO Reports
In contrast to the ubiquitin (Ub)-proteasome-system, which only degrades individual proteins, macroautophagy can eliminate protein complexes or aggregates, organelles and even pathogens. Terms such as...
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Marco Trujillo @trujillolab.bsky.social · 16/07/2026
Endogenous molecular glue acts as a signal in human cells - akin to auxin! Metabolite glues as a means of purine sensing and chemotherapeutic response www.nature.com/articles/s41...
nature.com
Metabolite glues as a means of purine sensing and chemotherapeutic response - Nature
Purines can act as endogenous molecular glues in human cells by anchoring a rate-limiting enzyme in purine biosynthesis to its inhibitor, and modifying this mechanism could provide a way to improve th...
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Şuayb Üstün @suaybuestuen.bsky.social · 06/07/2026
Would like to see more "german" scientists fighting back against far-right plans... Scientists fight back against far-right plans to restrict academic freedom in Germany www.nature.com/articles/d41...
nature.com
Scientists fight back against far-right plans to restrict academic freedom in Germany
With the far-right Alternative for Germany leading in polls for national and state elections, institutions are facing up to proposed restrictions on academic freedom.
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Sarah Courbier @scourbier.bsky.social · 29/06/2026
I've got something to "TORC" about! 😅 After 4 years building this project at @biologyunifreiburg.bsky.social, I'm so excited to share that my first independent preprint is now online! ✨ I hope you like it: doi.org/10.64898/202... A short thread... 🧵 #PlantSci #PlantScience
doi.org
The TARGET OF RAPAMYCIN (TOR) kinase controls shade-mediated hypocotyl elongation responses in Arabidopsis.
Plants perceive neighboring vegetation through an enrichment of far-red light (shade) in the environment. These changes in light quality trigger molecular and physiological responses aimed at outgrowi...
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Şuayb Üstün @suaybuestuen.bsky.social · 02/07/2026
Indeed - CDC48 & ERAD are important to maintain cellular homeostasis - see our contribution to this field: www.cell.com/molecular-ce... Beyond degradation, those components are also essential for nuclear delivery of proteasome transcriptional activators - to control the trade-off growth/stress
cell.com
Proteotoxic stress response is governed by ER-associated sorting of proteasome transcriptional activators
Langin et al. find that ER-associated sorting (ERAS) directs NAC53/78 turnover and activation to couple proteasome induction with repression of photosynthesis genes, linking proteostasis to energy met...
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Marco Trujillo @trujillolab.bsky.social · 25/06/2026
Very cool! Tuning an Exo70 integrated domain of a barley NLR for improved blast resistance
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Juan Carlos De la Concepcion @delaconcepcionjc.bsky.social · 24/06/2026
Our latest work on immune receptor engineering for enhanced pathogen recognition is out in @theplantcell.bsky.social academic.oup.com/plcell/artic... #NLRs #Effectors #Exo70
academic.oup.com
Engineering an Exo70 integrated domain of a barley NLR for improved blast resistance
Engineering the barley NLR RGH2 enhances recognition of blast pathogen effectors from rice and wheat, leading to improved disease resistance.
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Duncan Coleman @duncan-coleman.bsky.social · 23/04/2026
How do plants respond to wounding? Well it it's not too dissimilar to how they respond to heat. We found that plants utilize the HSFA1 transcription factors to rapidly induce wound-induced regeneration genes after injury. @keikosugimoto.bsky.social @deveylderlab.bsky.social @wigge.bsky.social
doi.org
Wounding activates the HSFA1 transcription factors to promote cellular reprogramming in Arabidopsis
The HEAT SHOCK FACTOR A1 transcription factors rapidly accumulate in the nucleus after wounding and directly activate regenerative pathways in plants.
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Ken Shirasu @shirasulab.bsky.social · 19/05/2026
CARD1 cryo structure now on Nature Comm. Well done, Nobu and Anu! rdcu.be/fjrIq
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Waggoner Lab @labwaggoner.bsky.social · 07/05/2026
25 years of chemistry that simply clicks @nature.com www.nature.com/articles/d41...
nature.com
25 years of chemistry that simply clicks
When the concept of ‘click’ chemistry — highly effective and specific reactions — was first reported, some dismissed it as a gimmick. But it has transformed many fields of research.
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Şuayb Üstün @suaybuestuen.bsky.social · 06/05/2026
See my new post on our homepage ✍️ The journey to our newest publication on how plants cope with proteotoxic stress ♻️ www.cell.com/molecular-ce... From Doubt to Discovery: A 15-Year Journey into Proteostasis, Pathogens, and Persistence
theustunlab.com
From Doubt to Discovery: A 15-Year Journey into Proteostasis, Pathogens, and Persistence
More than 15 years ago, during my PhD, we stumbled upon something unexpected. In a yeast two-hybrid screen, bacterial effector proteins from Xanthomonas and Pseudomonas interacted with a subunit of…
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Thomas Ott @ottlab.bsky.social · 13/04/2026
New pre-print from the lab! We show that the subtilase SBT12a is essential for symbiosome stabilization in Medicago. Using HUNTER proteomics, we even got some of its substrates. Have a look. www.biorxiv.org/content/10.6...
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Elwira Smakowska-Luzan @elwirasmakowska.bsky.social · 31/03/2026
Preprint alert! I am extremely happy to finally (!) share our work on the redox-dependent regulation of the CRKs in plants! We integrated high-throughput interactomics, redox proteomics, structural modelling, and genetics to map a ROS-dependent CRK interaction landscape in Arabidopsis.
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Şuayb Üstün @suaybuestuen.bsky.social · 09/04/2026
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...
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Team_Zuccaro @algazuccaro.bsky.social · 01/04/2026
Really proud of this work led by Ruben Eichfeld! We show how a CBM domain gain/loss can rewire fungal chitinases, turning them from antifungal enzymes into immune-suppressing effectors that support plant symbiosis. www.nature.com/articles/s41...
nature.com
Domain gain or loss in a fungal chitinase enables specialization towards antagonism or immune suppression - Nature Communications
Gain or loss of a particular domain contributes to functional specialization of a conserved chitinase in beneficial root endophyte towards microbial antagonism or host immune suppression.
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Marco Trujillo @trujillolab.bsky.social · 01/04/2026
Super interesting work! UFMylation moving up from a local ribosome repair signal to a systems-level coordinator of ER-nucleus #proteostasis
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Marco Trujillo @trujillolab.bsky.social · 24/03/2026
Interesting paper on the degradation of DELLAS (gibberellin pathway) by a plasma membrane localized E3 ubiquitin ligase to regulate growth under C/N imbalance #proteostasis academic.oup.com/plcell/artic...
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Marc Somssich @somssich.bsky.social · 20/03/2026
I really wish more plant scientists, and especially influential big name plant scientists, would publish with eLife. Their new publishing model is a fantastic way forward and to get us out of the #ScientificPublishing mess we have gotten ourselves into and to which we claim we are held hostage.
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Ricardo D. Righetto @lifeonthewedge.bsky.social · 19/03/2026
Meet Stoic from @daniil-litvinov.bsky.social and @ninjani.bsky.social: embeddings to predict stoichiometry of protein complexes from sequence fast and accurately 🧬🧩💻🤩 www.biorxiv.org/content/10.6...
Stoic:  Fast and accurate protein stoichiometry prediction (preprint header with authors and affiliations)
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Şuayb Üstün @suaybuestuen.bsky.social · 17/03/2026
Excited to hear some #proteostasis research at #MBP2026 by @cnaumann123.bsky.social who talks about a new plant-specific component of the autophagic network - see also her latest preprint www.biorxiv.org/content/10.6...
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Şuayb Üstün @suaybuestuen.bsky.social · 18/03/2026
Next speaker is @incavirus.bsky.social who will talk about virus vertical transmission in plant stem cells and gametes #MBP2026
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MolPlantSci @molplantsci.bsky.social · 18/03/2026
Check out Manuel's work on P-bodies and biotic stress www.biorxiv.org/content/10.1... #MBP2026
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Ralph Hückelhoven @huckelhovenr.bsky.social · 19/03/2026
www.uni-hannover.de/en/jobs/id/8...
uni-hannover.de
University Professorship in Molecular Phytopathology – Leibniz University Hannover
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David Bartel's Lab @bartellab.bsky.social · 19/03/2026
Our work on the E3 ligase mechanism of target-directed microRNA degradation is now published! Amazing collaboration with Brenda Schulman’s lab led by @jakobfarnung.bsky.social and @elenaslo.bsky.social, with special thanks to @wyppeter.bsky.social, Lianne Blodgett, and Daniel Lin! tinyurl.com/Z8TDMD
tinyurl.com
The E3 ubiquitin ligase mechanism specifying targeted microRNA degradation - Nature
Target-directed microRNA degradation is driven by the atypical ZSWIM8–CUL3 E3 ubiquitin ligase that uses a two-RNA-factor authentication mechanism to specifically recognize AGO–miRNA–trigger...
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Marco Trujillo @trujillolab.bsky.social · 19/03/2026
Congratulations to all awardees! We are particularly proud of our own @gearaguirang.bsky.social for best poster👏👍🤩
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MolPlantSci @molplantsci.bsky.social · 19/03/2026
And here are this year’s winners of the Reinhold-von-Sengbusch prize for best Poster are: - Gali Araguirang - University Hamburg - Sophie Farkas - University Freiburg - Nazanin Mahouram Mashhadi - University Berlin #MBP2026
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KleineVehnLab @kleinevehnlab.bsky.social · 18/03/2026
The lab of @elkebarbez.bsky.social strikes again 👇 Cell wall charge acts as a tunable electrostatic gate controlling iron availability in roots. Really nice work linking extracellular physics with nutrient homeostasis.
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Şuayb Üstün @suaybuestuen.bsky.social · 18/03/2026
Now our very own @manuelgonzalezfuen.bsky.social from @theustunlab.bsky.social who will talk about his exciting findings on how bacteria exploit P-body condensates to attenuate immune-related protein translation (see also our preprint below 👇) #MBP2026 #proteostasis www.biorxiv.org/content/10.1...
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Marco Trujillo @trujillolab.bsky.social · 17/03/2026
Our very own Cansu Dilege on: How are E2 enzymes regulated? -> Yes, kinases are involved (several)! #MBP2026 #ecr #ubiquitin #UniHamburg
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The EMBO Journal @embojournal.org · 11/02/2026
Yeast ubiquilin Dsk2 scaffolds proteasome-containing condensates under stress via multivalent interactions – @castanedalab.bsky.social et al show how dynamic interactions among its STI1 domain & transient helices in its disordered region promote its phase-separation link.springer.com/article/10.1...
link.springer.com
STI1 domain engages transient helices to mediate Dsk2 phase separation and proteasome condensation - The EMBO Journal
Ubiquitin-binding shuttle proteins are important components of stress-induced biomolecular condensates in cells. Yeast Dsk2 scaffolds proteasome-containing condensates via multivalent interactions wit...
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Biochemical Society @biochemsoc.bsky.social · 17/02/2026
Check out the latest issue of Biochemical Society Transactions, featuring reviews on translation initiation, intracellular proteasome shuttling and non-enzymatic roles of chromatin modifiers 🧪 ow.ly/ysfQ50YgbXn
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Luijsterburglab @luijsterburglab.bsky.social · 13/02/2026
Excited to share our latest study in Nature Communications ✨ We map how cells clear DNA damage–stalled RNA polymerase II using a stepwise TFIIH → ubiquitin/VCP mechanism, keeping transcription and genome stability on track. Paper: www.nature.com/articles/s41... #Genomics #DNADamage #CellBiology
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Spoel Lab @spoel-lab.bsky.social · 09/02/2026
Plants use cell-surface and intracellular receptors that collaborate to detect pathogens🦠. We discovered that a key #ubiquitin recognition event recruits both receptor types into an unexpected dual receptor complex that boost the translation of defence proteins and establishes robust #PlantImmunity👇🏾
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Marco Trujillo @trujillolab.bsky.social · 30/01/2026
The proteasome organization into fibers and other supramolecular arrangements contributes to its regulation #yeast sciencedirect.com/science/arti...
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