Reposted by Piotr KolataFlorent Waltz @florentwaltz.bsky.social · 9hHuge congratulations to all three Nobel Laureates, and especially Peter Hegemann! 👏 His seminal work on the green alga Chlamydomonas 🦠 laid the foundation for optogenetics. Thank you for putting Chlamy in the spotlight! ✨ Proof that groundbreaking discoveries don't always come from animal models! 🔬 020474
Reposted by Piotr KolatacryoEM papers @cryoempapers.bsky.social · 02/10/2026Cryo-tides: synthetic peptides for cryo-EM grid preparation of multi-subunit protein complexes sensitive to the air-water interface www.biorxiv.org/content/10.64898/2026.09.30.755610v1 #cryoEM 0146
Reposted by Piotr KolataManon Demulder @manondemulder.bsky.social · 02/10/2026If you’ve always been curious about how algae fix carbon, @phaips.vd.st, @cellarchlab.com and I have put together the quickest route into pyrenoids. And if you don’t feel like reading at all, we have an accompanying poster doi.org/10.1242/jcs.... 06023
Reposted by Piotr KolataBasil Greber @bjgreber.bsky.social · 01/10/2026Those who had a careful look at the methods section of our work on the #cryoEM structure of the CDK11-cyclin L-SAP30BP complex will have noticed that we added a short peptide to our sample before freezing. If you wonder why... 13818
Reposted by Piotr KolataSimon Bullock @simonbullock11.bsky.social · 28/09/2026How are mRNAs linked to molecular motors in mammalian cells? In our new preprint, we show that FXR1/2 are RNA adaptors for the microtubule motor dynein. Our findings have also prompted us to rethink how activating adaptors contribute to motor-based transport (1/n) 16330
Reposted by Piotr KolataSophien Kamoun @kamounlab.bsky.social · 27/09/2026I 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.comHow do we recognize world-class science? Not by the journal it appeared inWhat I told early-career researchers about prediction, rigour, failure, priors — and the tyranny of bar graphs. 27638
Reposted by Piotr Kolatac0nc0rdance @c0nc0rdance.bsky.social · 27/09/2026I'll save you the click-through: A lab at University of Copenhagen had been feeding draft manuscripts & data into "Claude Science" & then Anthropic announces a discovery that this lab made a year ago but hasn't published yet. It's plausible that Claude found the same signatures independently... 7261115
Reposted by Piotr Kolata Comfortably Numb @numb.comfortab.ly · 28/09/2026Claude making a scientific discovery 182101482
Reposted by Piotr KolataJohn Stott @jpsastro.bsky.social · 24/09/2026Had a UKRI funded grant proposal rejected at the "AI triage stage". "This AI-based triage was used only to identify approximately 50% of the strongest proposals to take forward to full human review." 🧪 #academicsky 40434238
Reposted by Piotr KolataIn Preparation @inprep.bsky.social · 22/09/2026inpreparation.substack.comBluesky User Surprised Fascists Won’t Fund His R01CAMBRIDGE, MA—Molecular biologist and social media influencer Dr. 0124
Reposted by Piotr KolataMartin Pacesa @martinpacesa.bsky.social · 21/09/2026ʙɪɴᴅᴄʀᴀꜰᴛ2 is out, and we're not waiting for the paper. The full code drops today, free for academic and industry use. We're releasing it early so you can start designing right now, and bring its full power to the current Adaptyv competition. github.com/PacesaLab/Bi... 4292142
Reposted by Piotr KolataPedro Beltrao @pedrobeltrao.bsky.social · 18/09/2026Anthropic has used Claude to optimise structure prediction and design code to improve speed and memory efficiency. 2-3X speed improvements on AF3, 5X on OF3, 5X on BindCraft low memory modes to model large assemblies. All released as open source www.anthropic.com/research/cla...anthropic.comHow Claude is uplifting biomolecular modelingAnthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems. 55518
Piotr Kolata @piotrkolata.bsky.social · 14/09/2026So happy to see our publication about sperm #proteasomes featured in the Editorial about understanding molecular mechanism of #reproduction in @natsmb.nature.com! 🥂🎉 Thank you to everyone involved, particularly @matteoall.bsky.social @tomdendooven.bsky.social @a-dsantos.bsky.social 💙nature.comUnderstanding the molecular mechanisms of reproductionNature Structural & Molecular Biology - Mammalian life begins with oocytes and sperm cells, but our understanding of the molecular mechanisms endowing these cells with their unique properties... 052
Reposted by Piotr KolataNature Structural & Molecular Biology @natsmb.nature.com · 11/09/2026New online: Understanding the molecular mechanisms of reproductiondlvr.itUnderstanding the molecular mechanisms of reproductionNature Structural & Molecular Biology, Published online: 11 September 2026; doi:10.1038/s41594-026-01892-7Mammalian life begins with oocytes and sperm cells, but our understanding of the molecular mechanisms endowing these cells with their unique properties has lagged behind. In this Editorial, our team emphasizes the need and our wish to improve our knowledge in how these cells operate. 022
Reposted by Piotr KolataAlan Brown @alanbrownhms.bsky.social · 10/09/2026Millions of beating cilia keep airways clean. At the base of each is the transition zone (TZ), a gate that controls which proteins enter and leave. In our paper out today in Science, we used cryo-FIB-ET to image the TZ inside human airway cells www.science.org/doi/10.1126/...science.orgIn situ structure of the human ciliary transition zone links linker defects to primary ciliary dyskinesiaThe ciliary transition zone (TZ) regulates ciliary proteome composition, yet its molecular architecture, protein content, and contribution to motile ciliopathies remain poorly defined. We applied in situ cryo-electron tomography and subtomogram averaging ... 211945
Reposted by Piotr KolataIn Preparation @inprep.bsky.social · 10/09/2026inpreparation.substack.comUnread Manuscript Remembers When It Was New And Full Of HopeCHICAGO, IL—A manuscript that has remained in a tote bag since the 2025 ASBMB conference confirmed Tuesday that it still remembers when it was freshly printed and full of hope. 0195
Reposted by Piotr KolatabioRxiv Molecular Biology @biorxiv-molbio.bsky.social · 03/09/2026Structural mechanism of nuclear membrane sealing by LEM2-ESCRT-III www.biorxiv.org/content/10.64898/20… 0115
Reposted by Piotr KolataDaniel Hurdiss @danielhurdiss.bsky.social · 03/09/2026Structure and operating principles of a monkeypox virus replisome | @nature.com www.nature.com/articles/s41...nature.comStructure and operating principles of a monkeypox virus replisome - NatureDuring replisome assembly of monkeypox virus, the hexameric helicase–primase E5 undergoes large-scale conformational changes that allow two of its primase domains to interact with the polymerase F8 th... 0248
Reposted by Piotr KolataMPI for Multidisciplinary Sciences @mpi-nat.bsky.social · 02/09/2026Every electron counts⚛️! Researchers have determined the structure of the protein rubredoxin at an unprecedented 0.43 Ångström resolution. The method could now allow routine quantum crystallography of biological macromolecules. 👇More about this major advancement: www.mpinat.mpg.de/5314392/rn_2... 05517
Reposted by Piotr Kolatadimitristypas.bsky.social @dimitristypas.bsky.social · 02/09/2026The proteostatic environment of gametes is unique. Work just out @natsmb.nature.com from @piotrkolata.bsky.social @a-dsantos.bsky.social @tomdendooven.bsky.social @matteoall.bsky.social is a prime example and sheds light on proteasomes in the human sperm nucleus! www.nature.com/articles/s41...nature.comMolecular architecture and spatial organization of proteasomes in the human sperm nucleus - Nature Structural & Molecular BiologyProteasomes are essential for male fertility. Kolata, dos Santos, Dendooven and colleagues show large nuclear proteasomal assemblies segregated from DNA in human sperm, forming after meiosis and with ... 0114
Reposted by Piotr KolataNature Structural & Molecular Biology @natsmb.nature.com · 01/09/2026New online: Molecular architecture and spatial organization of proteasomes in the human sperm nucleusdlvr.itMolecular architecture and spatial organization of proteasomes in the human sperm nucleusNature Structural & Molecular Biology, Published online: 01 September 2026; doi:10.1038/s41594-026-01870-zProteasomes are essential for male fertility. Kolata, dos Santos, Dendooven and colleagues show large nuclear proteasomal assemblies segregated from DNA in human sperm, forming after meiosis and with a unique α4s isoform. A native substrate is bound at the 20S catalytic site. 052
Piotr Kolata @piotrkolata.bsky.social · 01/09/2026So happy to see our work in @natsmb.nature.com ! 💥 It was one of these two-week side projects that became the best two years of my scientific life 😅 Enjoy the summary of our story from @mrclmb.ac.uk and the publication itself! @a-dsantos.bsky.social @tomdendooven.bsky.social @matteoall.bsky.socialnature.comMolecular architecture and spatial organization of proteasomes in the human sperm nucleus - Nature Structural & Molecular BiologyProteasomes are essential for male fertility. Kolata, dos Santos, Dendooven and colleagues show large nuclear proteasomal assemblies segregated from DNA in human sperm, forming after meiosis and with ... 0267
Reposted by Piotr KolataMRC Laboratory of Molecular Biology @mrclmb.ac.uk · 01/09/2026Using advanced microscopy @piotrkolata.bsky.social @a-dsantos.bsky.social @tomdendooven.bsky.social @matteoall.bsky.social have identified the molecular anatomy & organisation of proteasomes in the sperm nucleus. Read more about the study here: mrclmb.ac.uk/news-events/... #LMBResearch 🧪 02712
Reposted by Piotr KolataAlexey Amunts @amunts.bsky.social · 31/08/2026A sad day. Ada's pioneering work on the ribosome changed how we understand one of the central machines of life. She is a remarkable example of curiosity and boldness in pursuing questions that seemed impossible. Her scientific courage and persistence has been an inspiration.wis-wander.weizmann.ac.ilProf. Ada Yonath, Nobel Laureate and a Model of Scientific Perseverance, Has Passed Away - Weizmann Wonder Wander - News, Features and DiscoveriesFrom pursuing an impossible dream to uncovering one of the cell’s best-kept secrets and advancing the design of improved antibiotics 04518
Reposted by Piotr KolataRWedlichSoldner.bsky.social @rwedlichsoldner.bsky.social · 24/08/2026It's been a while in the making, but finally out:😂🥳 We’re excited to share our new work with H. Pavenstädt, D. Braun, M. Krahn, P. Bieling and @raunser-lab.bsky.social on INF2 and global actin remodeling! Read the story here: www.biorxiv.org/content/10.6... #Actin #Cytoskeleton #CellBiology #INF2 1219
Reposted by Piotr KolataMRC Laboratory of Molecular Biology @mrclmb.ac.uk · 27/08/2026Kelly Nguyen, Group Leader in the LMB’s Structural Studies Division, has been awarded the 2027 Francis Crick Medal and Lecture from @royalsociety.org. Read more about @kellythd-nguyen.bsky.social’s research on telomerase here: mrclmb.ac.uk/news-events/... #LMBNews 36413
Reposted by Piotr KolataReese Richardson @reeserichardson.bsky.social · 25/08/2026A massive update: At least ~15 companies~ are selling scientists antibodies using faked validation data. We've documented 18,000+ manipulated images on 17,000+ products sold by leading laboratory suppliers including Thermo Fisher, Abcam, Santa Cruz Biotechnology, Millipore Sigma and Bio-Techne. 1/🧵 18455329
Reposted by Piotr KolataRobert Arkowitz @robertarkowitz.bsky.social · 23/08/2026www.cell.com/structure/fu...cell.comStreamlined montage cryo-electron tomography for exploring the ultrastructure of cells and tissuesCryo-electron tomography reveals the architecture of cell interiors, but the small field of view of the resulting images limits the appreciable cellular context. Montage tomography solves this, but ex... 073
Reposted by Piotr KolataIn Preparation @inprep.bsky.social · 21/08/2026inpreparation.substack.comWoman Experiences Fleeting Joy As Scale Reads Exact Target NumberSEATTLE, WA—Holding her breath as the analytical balance stabilized Monday morning, University of Washington graduate student Aubrey Smith, 27, experienced a fleeting moment of pure joy as the digital... 03211
Reposted by Piotr KolatacryoEM papers @cryoempapers.bsky.social · 14/08/2026Conformational gating at histidine junctions coordinates proton translocation in respiratory complex I www.biorxiv.org/content/10.64898/2026.08.12.744383v1 #cryoEM 033
Reposted by Piotr KolataAtherton Lab KCL @athertonlabkcl.bsky.social · 10/08/2026Over-the-moon that our structural #cryo-em work on the #drebrin #F-actin interaction has now been published in full at #NatureCommunications. Congratulations to Weilong, Lee-Ya and the rest of the team in London and Hamburg who worked on this :) www.nature.com/articles/s41...nature.comStructural mechanisms of drebrin-mediated F-actin network modulation - Nature CommunicationsDrebrin regulates crucial cellular processes through its F-actin binding and regulating functions. Here, the authors report cryo-EM structures of drebrin’s actin-binding domains complexed with F-actin... 0144
Reposted by Piotr KolataKristian G. Andersen @kgandersen.bsky.social · 08/08/2026"Accusing him of crimes and deception wasn’t enough; the release of the diary was meant to inflict public humiliation on him". Very good article and spot on. www.theatlantic.com/ideas/2026/0...theatlantic.comWhy MAGA Is So Obsessed With FauciIn the aftermath of pandemics, people either try to forget them or find others to blame for them. 48738
Reposted by Piotr KolataFlorent Waltz @florentwaltz.bsky.social · 07/08/2026We've been seeing a lot of "in situ" lately in titles from fancy journals (not pointing any fingers 👀). I’ve delayed posting this, but as more and more come out, I'm afraid "in situ" is becoming an empty buzzword, much like "near-atomic" was for SPA 🔬 1/n #cryo-ET #cryo-EM #cryoET #cryoEM 🧪 85616
Reposted by Piotr KolataSBGrid Consortium @sbgrid.bsky.social · 04/08/2026We finished our 2025-2026 Software Webinar season in July with a presentation from @mgflast.bsky.social on Ais, Pom, and easymode. In case you missed it, you can find the recorded version on the SBGridTV YouTube channel: buff.ly/kbQNcdx #Webinars #SBGrid #StructuralBiologyyoutube.comAis, Pom, and easymodeSBGrid webinars are hosted with partial support from the NIH R25 Continuing Education for Structural Biology Mentors #GM151273, in collaboration with Co-PI Jamaine Davis of Belmont… 082
Reposted by Piotr KolataVanni Lab at UNIFR, Switzerland @labvanni.bsky.social · 10/07/2026Happy to share that this beautiful work by @mudgal17.bsky.social in collaboration with the Weis lab @eth-dbiol.bsky.social, discovering a new membrane fusion mechanism in eukaryotes, is finally out in peer-reviewed form at @cp-molcell.bsky.social. www.cell.com/molecular-ce...cell.comA conserved mechanism of membrane fusion in nuclear pore complex assemblyFischer et al. uncover a fundamental mechanism of membrane fusion during nuclear pore complex (NPC) assembly. Brl1 and Brr6 form ring-shaped, membrane-remodeling complexes that interact and bridge the... 13417
Reposted by Piotr KolataNature @nature.com · 04/08/2026Nature research paper: In situ structures of plant photosystem supercomplexes go.nature.com/4c4OTR5go.nature.comIn situ structures of plant photosystem supercomplexes - NatureThe cryo‑EM structure of the Oryza sativa photosystem II–light harvesting complex II supercomplex in its native membrane reveals the intact plant photosystem architecture, retaining physiologically relevant proteins and lipids that are otherwise lost during purification. 0264
Reposted by Piotr KolataNature @nature.com · 01/08/2026A artificial-intelligence tool dubbed Raygun can miniaturize or supersize a natural protein without disrupting the protein’s shape or ability to function go.nature.com/4fFKvdTgo.nature.comThis AI ‘Raygun’ can shrink and supersize proteins — opening the door to easy editingNature - Model modifies existing proteins using probability approach. 0397
Reposted by Piotr KolataMisha Kudryashev @mishakudryashev.bsky.social · 01/08/2026Take a look at our new paper on the structure of the EHD2 that, upon oligomerization, forms rings that remodel the plasma membrane and form caveolae. Beautiful work by Elena, Vasya @vasiliimikirtumov.bsky.social, Jeff & Oliver Dumke's team; take a look: www.nature.com/articles/s41... 35822
Reposted by Piotr KolataBronwyn Lucas @bronwynalucas.bsky.social · 25/07/2026New preprint from the lab! Led by graduate student @lainahall.bsky.social we show a new method to thin cells for cryo-EM imaging with minimal damage. www.biorxiv.org/content/10.6...biorxiv.orgOptimized cryo-FIB milling strategy to generate thin, minimally damaged biological lamellaeFocused ion beam (FIB)-milling has been adapted to thin frozen cells for visualization of macromolecular structures in situ with cryogenic electron microscopy. However, only a few large and abundant c... 14517
Reposted by Piotr KolataNature @nature.com · 23/07/2026Nature research paper: Structural basis of the RNA-editing cascade in trypanosome mitochondria go.nature.com/3T9HlWVgo.nature.comStructural basis of the RNA-editing cascade in trypanosome mitochondria - NatureCryo-electron microscopy sheds light on the architecture of the Trypanosoma brucei mitochondrial editosome and reveals how this assembly mediates mRNA editing through the insertion and deletion of uridine nucleotides. 0196
Reposted by Piotr KolataNature @nature.com · 15/07/2026A ketogenic diet promotes tumour growth in the small intestine in susceptible mice go.nature.com/3TB3Cgego.nature.comA high-fat, low-carbohydrate diet can feed intestinal tumoursA ketogenic diet promotes tumour growth in the small intestine in susceptible mice. In people, diet advice might need to be tailored to individual cancer risks. 04713
Reposted by Piotr KolataTanmay Bharat @tbharat-lab.bsky.social · 15/07/2026Structural basis of biofilm formation mediated by the Pseudomonas aeruginosa fibrillar adhesin CdrA led by @olivia--smith.bsky.social Collaboration with @alexbateman1.bsky.social , Andres Floto and @geiselbiofilm.bsky.social labs 28535
Reposted by Piotr KolataIn Preparation @inprep.bsky.social · 09/07/2026open.substack.comHPLC Column Died As It Lived, Surrounded By People Causing Its DeathDURHAM, NC—A high-performance liquid chromatography column passed away Tuesday at approximately 3:47 PM, surrounded by the very people who had caused its death, sources confirmed. 36516
Reposted by Piotr KolataNature @nature.com · 09/07/2026Nature research paper: Intergenerational mobility fosters innovation in Europe go.nature.com/4aJ2P2Rgo.nature.comIntergenerational mobility fosters innovation in Europe - NatureThe EUROPE-IGM-ATLAS reveals spatiotemporal trends that characterize the changing geography of opportunity in Europe and its relationship with regional innovation. 0208
Reposted by Piotr KolataSophia Paul @sophia-pa.bsky.social · 08/07/2026Excited to share my paper! 🥳 Today in #Nature we reveal an 8 MDa Hdr electron bifurcating super-assembly in class I methanogens that couples the first and last steps of hydrogenotrophic methanogenesis. A lineage-specific adaptation to anaerobic niches. www.nature.com/articles/s41... 37024
Reposted by Piotr KolataSchuller Jan @schullerjm.bsky.social · 04/06/2025Proud to present the lab's latest work. The full structure of the sodium translocating methyltransferase (Mtr) bound to a small oxygen-responsive small protein MtrI. Work by Tristan and together with @schmitzstreitslab.bsky.social . www.biorxiv.org/content/10.1101/2025.06.02.657420v1 36825
Reposted by Piotr KolataAlex Noble @alexjamesnoble.bsky.social · 01/07/2026We've made a cryoEM conference map + calendar + list (academic & industry) for the community. Let us know if we missed any! Have fun=) cryoarcana.com/conferences 094
Reposted by Piotr KolataKris Willis @kawillis.bsky.social · 26/06/2026As you might imagine, as someone who studies science and works on metrics, I have some thoughts on qed myself. I fully agree that the messaging can be described as tone-deaf and problematic. I don’t think it had to be. ripplingideas.org/2026/06/26/t...ripplingideas.orgThe 1% club and the rocky road ahead for bioRxivThe recent launch of qed’s “top 1%” preprint ranking has sparked controversy, with concerns about its arbitrary nature, potential harm to authors, and low-quality inclusions. Whil… 22616
Reposted by Piotr KolataRichard Sever @richardsever.bsky.social · 26/06/2026“the academic community is enormously heterogeneous and it’s almost impossible to keep everyone happy” Never a truer word said in this analysis of downstream consequences of openness by @jacoates.bsky.social ripplingideas.org/2026/06/26/t...ripplingideas.orgThe 1% club and the rocky road ahead for bioRxivThe recent launch of qed’s “top 1%” preprint ranking has sparked controversy, with concerns about its arbitrary nature, potential harm to authors, and low-quality inclusions. Whil… 26024
Reposted by Piotr KolataVeijo Salo @veijosalo.bsky.social · 23/06/2026How does a cell remodel the ER membrane into a lipid droplet? Excited to share our new bioRxiv preprint, where we find that regulated opening of the seipin ring defines a functional ER–lipid droplet interface — and identify SMLR1 as a regulator of this transition. www.biorxiv.org/content/10.6... 37429