4 - Still lots to learn about this mysterious factor. 🔗 Read the paper: academic.oup.com/nar/article/... Funded by @dfg.de via SFB TRR319-RMaP 🙏 #RibosomeBiology #TranslationQC #RNA #Nanopore #Yeast #PhDPosition #DFG #RMaP #New1

New work from our Haselbach lab with collaborators captures ribosomes 𝘮𝘪𝘥-𝘣𝘶𝘪𝘭𝘥 and reveals a flexible, modular strategy behind their assembly, rather than a strict assembly line. Published in _Nucleic Acids Research _👉 https://doi.org/10.1093/nar/gkag036

now online: academic.oup.com/nar/article/...

Interested in direct tRNA-seq by Nanopore? We developed a new RNA-based barcoding aproach for seq parallelization; it is also cost-saving. Scripts available on github. #tRNA #Nanopore track.smtpsendmail.com/9032119/c?p=...

Our paper on the structural and functional basis of the human dimeric OS9–SEL1L–HRD1 ERAD complex, together with @qilabuva.bsky.social, is now out! Huge congratulations to Leo, Emir, and Elina! www.nature.com/articles/s41...

Complexity at the ribosomal polypeptide tunnel exit. The major N-terminal acetyltransferase NatA may form different complexes on the ribosome to facilitate protein maturation. By Marius Klein & Klemens Wild in Irmgard Sinning's lab BZH & Nina McTiernan in my lab. www.nature.com/articles/s41...

Excited to share a new story that transformed how we think about membrane domains in the ER! rdcu.be/eR7Cn ER exit sites mediated by the COPII adaptor sec24D selectively recruit lipid raft-preferencing proteins for rapid ER export Wondering what’s so new and exciting? Skytorial below! 1/9

We’re excited to share our latest preprint on the mechanism of excised linear intron stabilization in yeast! This work was led by PhD student @glennli.bsky.social and was a wonderful collaboration with @maxewilkinson.bsky.social. Link: www.biorxiv.org/content/10.6... (1/4)

We’re thrilled to share our latest iTP-seq protocol for mapping bacterial translation landscapes in vitro — with a complete experimental workflow streamlined by Mélanie Gillard and an open source Python library for data analysis developed by Thibaud Renault.

Mitochondrial presequences harbor variable strengths to maintain organellar function. New study from Youmian Yan, Natalie Niemi (@nieminm.bsky.social) et al. @washumedicine.bsky.social: rupress.org/jcb/article/... @ianofbristol.bsky.social #Biochemistry #CellMetabolism #Organelles #Mitochondria

Discovery and development of a new oxazolidinone with reduced toxicity for the treatment of tuberculosis @naturemedicine.bsky.social www.nature.com/articles/s41...

Slightly overdue article highlight! In PNAS, we use smFRET to reveal how polypeptide release factor 2 (RF2) undergoes a cascade of structural changes to catalyze polypeptide release during translation termination and ArfA-mediated ribosome rescue. 🧵⬇️ doi.org/10.1073/pnas...

A (belated!) highlight from an excellent collaboration with @dunhamlab.bsky.social and #HouLabTJU. In this Nat Commun paper, we combine smFRET and cryo-EM to show how the tRNA modification m¹G37 stabilizes the reading frame—and what happens when it’s missing.

Online Now: Mechanical forces regulate the composition and fate of stalled nascent chains Online now:

Missing steps of mitochondrial translation initiation identified in plants www.biorxiv.org/content/10.64898/2025.12.30.697032v1 #cryoem

Just in time for 2026! 🎆 Presenting a nascent-centric view on the shape of the ribosomal exit tunnel topology, based on MD-derived occupancy maps for 55 distinct ribosomes. 🧶🧬🖥️ 📄 Read the preprint: biorxiv.org/content/10.6... #StructuralBiology #Ribosome #CryoEM #Evolution #Biophysics

The sporulation phosphorelay protein Spo0B is membrane localized in Paenibacillus! The transmembrane domain appears to increase interaction with relay partners. Congrats to former lab undergrad @isabellalin.bsky.social and her grad mentor @cassidyprints.bsky.social journals.asm.org/doi/10.1128/...

Structural basis for non-AUG translation regulation by 5MPs www.biorxiv.org/content/10.64898/2025.12.28.696766v1 #cryoem

5′ UTR-mediated retention of eIF3 on 80S ribosomes promotes co-translational folding of ER membrane proteins

Online Now: Toward community-driven visual proteomics with large-scale cryo-electron tomography of Chlamydomonas reinhardtii Online now:

Last X-Mas, the ribosome gave you methionine, but the very next day, MetAP took it away. This year, to save histones from tears, NatD gives you an acetyl group. ⭐️ Explore our latest paper with the Deuerling lab @uni-konstanz.de and Shu-ou Chan lab @caltech.edu! www.science.org/doi/10.1126/...

It’s out! Using cryo-ET in Dicty cells, we take a fresh in situ look at vaults. Surprisingly, we uncover vaults associated with ER and NE membranes, and find that many vaults enclose ribosomes in defined orientations, opening new avenues to their cellular function! www.biorxiv.org/lookup/conte...

Our latest paper on the molecular mechanisms of XPF-ERCC1 recruitment to SLX4-dependent DNA repair pathways has been published! Congratulations to first author Junjie Feng, and a heartfelt thank you to all our collaborators for their contributions to this study! www.nature.com/articles/s41...

So structural biology is not dead after all 😋 Not a big surprise The title of this article is exactly in line with what I think. Same applies to LLMs for scientific writing.

Online Now: HYPK promotes N-terminal protein acetylation through rapid ribosome exchange of NatA Online now:

How does C2CD3 contribute to distal appendage formation in centrioles? @centriolelab.bsky.social show that C2CD3 acts as a central architectural organizer of the distal #centriole, bridging the luminal distal ring complex & peripheral appendage sites @plosbiology.org 🧪 plos.io/496XZuH

Check out our latest work on how collided ribosomes activate the MAP3K ZAK! 💫 www.nature.com/articles/s41... A fun collaboration with @beckmannlab.bsky.social @doubleshuang.bsky.social

How does the kinase ZAK sense ribosome collisions? Find out in our latest collaboration with the @greenlab.bsky.social @doubleshuang.bsky.social @Vienna Huso: 1/4 rdcu.be/eRmJl #ribosome #cryoEM #LMU #JHMI

Issue 22: Maternal antibody interference with rotavirus vaccination Conserved complex controls developmental & circadian timing Review: Type IV secretion systems Method: T-cell smFISH images transcription, RNA localization & fate Cover: @jomaalab.bsky.social et al www.embopress.org/toc/14602075...

Termination of the integrated stress response | Science www.science.org/doi/10.1126/...

New work from Tahirov x Lim collaboration! @qixianghe.bsky.social from my lab contributed the cryo-EM structures for this work. We are excited to help explain how anti-HSV drugs work and to guide their future development. www.science.org/doi/10.1126/... @unmc.bsky.social @uwbiochem.bsky.social

Our paper in Science is out! @souravagrawal.bsky.social, @rlynn.bsky.social, @susvirkar.bsky.social, and the rest of the team show human RPA is a telomerase processivity factor essential for telomere maintenance. This reshapes our thinking about telomerase regulation. www.science.org/doi/10.1126/...

Lab’s first paper is out!! We show the first structures of #Asgard #chromatin by #cryo-EM 🧬❄️ Asgard histones form closed and open hypernucleosomes. Closed are conserved across #Archaea, while open resemble eukaryotic H3–H4 octasomes and are Asgard-specific. More here: www.cell.com/molecular-ce...

We are hiring…position suitable for PhD student with interest in ribosomes, antibiotics and cryoEM… www.uni-hamburg.de/en/stellenan...

Now out in Science! Cyclin-dependent kinases (CDKs) are key regulators of the cell cycle. In @vcushing.bsky.social's magnum opus, we use #cryoEM to figure out how the CDK-activating kinase recognises CDKs to fully activate them - a key step in cell cycle control. www.science.org/doi/10.1126/...

✨Excited that the main project of my PhD is now available as a pre-print on #bioRxiv Here, we used #CryoET to visualise mitochondrial proteostatic stress and together with SPA #CryoEM shed light into the functional cycle of the Hsp60:10 chaperone system. #TeamTomo 🔗 www.biorxiv.org/content/10.1...

Out in Science Advances: Our #cryoEM structure of HFTV1, a virus infecting the halophile #archaea. *First full atomic structure (containing all structural proteins) of any tailed virus!* Congrats and thanks to all co-authors and our fantastic collaborators! www.science.org/doi/10.1126/...

The mechanistic basis of cargo selection during Golgi maturation. From Rebecca Taylor, @katciazynska.bsky.social, @jggkaufman.bsky.social & @grigorytagiltsev.bsky.social at @mpibiochem.bsky.social with David Owen and Sean Munro's group @cellbiol-mrclmb.bsky.social | www.science.org/doi/10.1126/...

Beautiful reconstitution of amino acid stress-dependent ISR activation by my @harvardcellbio.bsky.social colleagues presenting a unifying mechanism for GCN2 activation, which requires ribosome collisions and is enhanced by cognate uncharged tRNA in the A site! www.science.org/doi/10.1126/...

A molecular-resolution look into the near-native architecture of the spinach chloroplast🌱. This one was a long time in the oven, but we're happy to finally share our "version of record". What long-standing debates did we settle? Check back for a short thread🧵 on Monday. #TeamTomo #PlantScience 🧪🧶🧬🔬🌾

How the twin-arginine translocase (Tat) system manages to transport folded proteins across membranes without any leaks? To answer this fundamental question we solved the first structure of TatB3C3 complex with bound cargo. Please check out new preprint! t.co/962Kj9pt6F

🚨🧠🔬 A major breakthrough in molecular neuroscience: I am excited to share a new story from our lab, published in accelerated format today by @nature.com: "Delta-type glutamate receptors are ligand-gated ion channels" Read more here (free article link): rdcu.be/eGIKz

We were one of the lucky ones to receive our NCI award. We have an open postdoctoral fellow or research tech position in the group. If you (or anyone you know) has strong expertise in structural biology or cell biology (genomic instability mechanisms) please reach out. www.antonylab.org

Structural studies by Ahmad Jomaa and colleagues @jomaalab.bsky.social show how NAC on translating #ribosomes couples protein synthesis to N-myristoylation of nascent polypeptides by NMT2 www.embopress.org/doi/full/10....

Sub-cellular chemical mapping in bacteria using correlated cryogenic electron and mass spectrometry imaging Congrats Hannah Ochner and authors on this important paper! Strong collaboration with @kiranrpatil.bsky.social www.biorxiv.org/cgi/content/... @mrclmb.bsky.social @wellcometrust.bsky.social

Happy to share a new preprint from the Clarke & Vallese (@fravallese.bsky.social) labs reporting #cryoem structures of two RBC stomatin complexes – with AQP1 & UT-B - continuing the SPFH theme from our recent vault preprint! This was a fun one and has been cooking for a while - read on for more! ⬇️

First pre-print from the Lucas Lab led by Matthew Giammar and @joshdcryoem.bsky.social online today! We develop a new, extensible Python implementation of 2DTM and apply it to build pixel size optimization, constrained search and characterize molecular motions in situ www.biorxiv.org/content/10.1...

Glad to share the final version of our story about the UBR4 complex, an E4 ligase protein quality control hub @science.org. Now with more cryo-EM structures and a deeper dive into substrate recognition, especially escaped mitochondrial proteins @clausenlab.bsky.social www.science.org/doi/10.1126/...

Happy to share our work on the structure and function of the unusual E3 ligase ZNFX1 @cp-cell.bsky.social. It uses a nucleic acid-activated transthiolation mechanism, ubiquitinating and clustering RNA to protect cells in an immune response. @clausenlab.bsky.social www.cell.com/cell/fulltex...

Our new review paper in stalled neuronal ribosomes with Wayne Sossin @mcgill.ca is out today: portlandpress-com.proxy3.library.mcgill.ca/biochemsoctr...