Reposted by Javi Rasmus Jensen @rasmusjensen.bsky.social · 25/09/2026🎉 Out today in Cell: the paper I've been looking forward to sharing for a long time 🎉 We used cryo-ET to find a molecular machine nobody knew existed on the surface of a minimal bacterium, and worked out what it does. 🧵(1/7) #TeamTomo #cryoET 1023596
Reposted by Javi Casper Berger @casperberger.bsky.social · 23/09/2026We developed Adaptive Polishing for the consistent preparation of ~150 nm thin FIB-lamellae. This was done by using imaging feedback to adjust parameters for each lamella, or Adaptive Milling, rather than applying a fixed recipe. Preprint: doi.org/10.64898/202... 24619
Reposted by Javi bioRxiv Molecular Biology @biorxiv-molbio.bsky.social · 28/08/2026Imaging large fields-of-view at high resolution in cryo-ET with square beam montaging www.biorxiv.org/content/10.64898/20… 01810
Reposted by Javi Traffic @traffic-journal.bsky.social · 28/08/2026Happy 50th anniversary, Clathrin! onlinelibrary.wiley.com/doi/full/10.... @effc.bsky.social 03621
Reposted by Javi Jan Philipp Kreysing @jpkreysing.bsky.social · 13/07/2026Delighted that our story on chromatin architecture inside human cells is now published — the last chapter of my PhD. It was a pleasure working with @sergiocruzleon.bsky.social, @johannesbetz.bsky.social, and everyone involved. #teamtomo www.nature.com/articles/s41...nature.comMolecular architecture of heterochromatin at the nuclear periphery of primary human cells - Nature CommunicationsThe 3D organisation of chromatin inside a human cell is still not fully resolved. Here the authors reveal that in situ cryo-ET resolves individual nucleosomes and predicts DNA linkers, thus showing th... 37423
Reposted by Javi Nitish Dua @nitishdua.bsky.social · 27/06/2026Really hyped to share our pre-print on mtDNA replication-fission ! @nanigrotjahn.bsky.social (doi: doi.org/10.64898/202...) 🧵with details below ⤵️doi.orgATAD3A structurally links mtDNA replication and mitochondrial fissionMitochondrial function depends on the maintenance of its genome, and disruptions in copy number and distribution are hallmarks of mitochondrial disorders. Mitochondrial DNA (mtDNA) replication is spat... 25622
Reposted by Javi The French History Podcast @fhp.bsky.social · 23/06/2026All of France is scorching hot today. Except for one village in the northwest... 151578592
Reposted by Javi bioRxiv Molecular Biology @biorxiv-molbio.bsky.social · 22/05/2026Easymode: general pretrained networks for cellular cryo-ET enable flexible approaches to subtomogram averaging www.biorxiv.org/content/10.64898/20… 0179
Reposted by Javi Briggs Group @briggsgroup.bsky.social · 18/05/2026The architecture of carriers formed by AP3:ARF1 for lysosomal membrane protein transport: www.science.org/doi/10.1126/.... Work from @jggkaufman.bsky.social, in collaboration with @dgershlick.bsky.social and David Owen. @mpibiochem.bsky.social @thecimr.bsky.socialscience.orgArchitecture of clathrin-independent AP3:ARF1-coated carriersAP3 generates clathrin-free carriers on endosomes by organizing via ARF1 dimers into elongated membrane-deforming arrays. 06828
Reposted by Javi Higor Rosa @hvdrosa.bsky.social · 14/05/2026Thrilled to share the updated video of my paper in Nature with Maciej (under supervision of @simonemattei.bsky.social & @jomaalab.bsky.social) Proud to use Cryo-ET to uncover how hibernation factors are key to translation restart! To model PTMs in situ and render animations fulfilled my PhD dream!🥹🎉 49621
Reposted by Javi Dimitry Tegunov @dtegunov.bsky.social · 03/05/2026We're super excited to share MissAlignment: a new ML-based approach to reference-free tilt series alignment, spearheaded by @martenchaillet.bsky.social. We think it's going to make your cryo-ET life a lot better. Preprint: www.biorxiv.org/content/10.6... Code: github.com/warpem/miss-... 🧶 Thread: 6313118
Reposted by Javi Helena Watson @helenawatson.bsky.social · 25/04/2026Preprint 🧵! I’m really excited to introduce BIGSMALL, an interleaved multi-magnification cryo-ET scheme bridging molecular and cellular scales in a single acquisition! BIGSMALL = 𝐁road 𝐈nformation 𝐆athering 𝐒trategy by 𝐌ultiscale 𝐀cquisition of lame𝐋𝐋a www.biorxiv.org/content/10.6... (1/6) 521368
Reposted by Javi Katharina Geißler @kgeissler.bsky.social · 21/04/2026Out now in Nature Communications! We show that Dictyostelium vaults associate with ER and NE membranes in situ and encapsulate ribosomes with defined orientations, shining new light on their cellular function! #TeamTomo #TeamMassSpec #ProtistsOnSky www.nature.com/articles/s41... 17225
Reposted by Javi Max Planck Institute of Biophysics @mpibp.bsky.social · 20/04/2026That’s a wrap on our @embo.org #cryoFIB & #cryoET course! It was an incredible week of hands-on learning, collaboration, and shared expertise, made possible by dedicated organizers, incredible trainers, and an engaged group of participants. 1267
Reposted by Javi Carter Lab @carter-lab.bsky.social · 24/03/2026Excited to share our work on the structure and function of cytoplasmic lattices within mouse embryos. A collaborative effort with @niakanlab.bsky.social and work led by @kashishsingh.bsky.social and @inaharasimov.bsky.social . It is now out on BioRxiv: www.biorxiv.org/content/10.6... 620684
Reposted by Javi cryoEM papers @cryoempapers.bsky.social · 19/03/2026A Surfactant Cocktail Overcomes Air-Water Interface Artifacts in Single-Particle CryoEM www.biorxiv.org/content/10.64898/2026.03.17.712260v1 #cryoEM 0147
Reposted by Javi Sonja Welsch @sonjawelsch.bsky.social · 13/03/2026TIL what "unload sample from Compustage" of a cryo-EM actually looks like. Neat 🙂. 2354
Reposted by Javi Pedro Beltrao @pedrobeltrao.bsky.social · 04/03/2026We have started a project trying to predic the interactions/structures of all yeast protein pairs using an AlphaFold pooling approach. We are making the current dataset open and we welcome collaborations. www.evocellnet.com/2026/03/mapp...evocellnet.comMapping the yeast atructural interactome with AlphaFold3: an open call for collaborationWe are excited to announce the early-stage release of our S. cerevisiae structural interactome mapping project. Using AlphaFold3 (AF3), w... 69853
Reposted by Javi Mara Mueller @muellermara.bsky.social · 19/02/2026Mammalian cells form hibernating disomes akin to those in bacterial cells - but connected via ribosomal RNA www.science.org/doi/10.1126/... co-first with: @andschwarz.bsky.social with: @lea-dietrich.bsky.social, @sgiando.bsky.social, @erin-schuman.bsky.social and many more 🧵 0/6 #MolBio 🧪 510036
Reposted by Javi Juan Carlos De la Concepcion @delaconcepcionjc.bsky.social · 30/01/2026Please 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... 085119
Reposted by Javi Wilfling Lab @wilflinglab.bsky.social · 20/01/2026LLOMe has long been used to study lysosomal damage, yet how it works has remained a mystery. Using cryo-electron tomography, we show it forms amyloid structures inside lysosomes that mechanically rupture membranes – revealing a new paradigm for lysosomal failure. 🔗 doi.org/10.64898/202... #CryoET 311641
Javi @structjavi.bsky.social · 13/01/2026New preprint from the lab! 🆕 We combined in situ correlative cryo-ET 🥽🔬with multiscale simulations 🖥️⌨️ to study condensates inside yeast cells 🥼🧪 Link below 👇 0142
Reposted by Javi Danielle Grotjahn @nanigrotjahn.bsky.social · 17/11/2025Prohibitins aren’t hanging out just anywhere in the membrane — they prefer the 💁♀️💎✨VIP section💅🪩🥂 Lab all-star @mmedina300kv.bsky.social maps these microdomains using cryo-ET + surface morphometrics. s/o to #teamtomo #cryoET co-authors @hamid13r.bsky.social @attychang.bsky.social @baradlab.com 05718
Reposted by Javi Desislava Glushkova @deglushk.bsky.social · 06/11/2025Just published! We share an open-source workflow to measure membrane thickness from tomograms, including a tutorial with 3D visualizations. We analyze thickness variations across organelles and reflect on where to define a membrane boundary. @becklab.bsky.social #teamtomo rupress.org/jcb/article/... 08331
Javi @structjavi.bsky.social · 05/11/2025Now that it’s November and Halloween is over, is it okay to put up the Christmas tree yet? 070
Reposted by Javi Max Planck Institute of Biophysics @mpibp.bsky.social · 23/10/2025Have you registered to the next EMBO Practical Course on In-situ structural biology by Cryo-FIB and Cryo-ET? 🧊 Join us in Frankfurt for hands-on training on cryo-techniques and networking with experts! 🔗 Apply by Dec 8, 2025: meetings.embo.org/event/26-in-... 📍 Frankfurt | 📆 April 12–20, 2026 0149
Reposted by Javi joe dobbs @joedobbs.bsky.social · 15/10/2025Check out our preprint! With new molecular mechanisms, 140 subtomogram averages, and ~600 annotated cells under different conditions, we @embl.org were able to describe bacterial populations with in-cell #cryoET. And there’s a surprise at the end 🕵️ www.biorxiv.org/content/10.1... #teamtomo 811935
Reposted by Javi EMBL @embl.org · 17/09/2025Are you ready to lead ground-breaking research in Infection Biochemistry? We are recruiting outstanding scientists to establish research groups based at @cssbhamburg.bsky.social tackling fundamental questions in molecular mechanisms of infection. embl.wd103.myworkdayjobs.com/en-US/EMBL/j... 11516
Reposted by Javi Centre for Structural Systems Biology CSSB @cssbhamburg.bsky.social · 04/09/2025Researchers from CSSB & @mpi-nat.bsky.social have generated a highly potent nanobody that neutralizes a protein essential for the herpes virus infection. Published in @nature.com, the findings promise new therapies to treat & prevent infections @leibnizliv.bsky.social @uni-hamburg.de t1p.de/cxt7a 0157
Reposted by Javi Tanmay Bharat @tbharat-lab.bsky.social · 31/08/2025Sub-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 214162
Reposted by Javi Jan Philipp Kreysing @jpkreysing.bsky.social · 23/08/2025More great cryo-ET benchmarking work from my colleagues Maarten Tuijtel, Tomáš Majtner, Beata Turoňová, & @becklab.bsky.social: Systematic study of how tilt increment choice affects downstream TM & STA. Preprint has the optimally balanced tilt increment. #TeamTomo www.biorxiv.org/content/10.1...biorxiv.orgOptimal tilt-increment for cryo-ETCryo-electron tomography (cryo-ET) enables high-resolution, three-dimensional imaging of cellular structures in their native, frozen state. However, image quality is limited by a trade-off between ang... 0327
Reposted by Javi Max Planck Institute of Biophysics @mpibp.bsky.social · 18/08/2025We’re hosting the @embo.org Practical Course on In-situ structural biology by CryoFIB and CryoET in April 2026! 🧬❄️ You can expect hands-on training, cutting-edge methods, and a chance to work alongside leading experts in structural biology. 🔗 Apply by Dec 8, 2025: meetings.embo.org/event/26-in-... 03218
Reposted by Javi Melanie McDowell @melaniemcdowell.bsky.social · 12/07/2025Proud to share our first lab pre-print: “SND3 is the membrane insertase within a fungal multipass translocon” where @tzujingyang.bsky.social solved the structure of a ribosome-associated SND3-translocon complex involved in ER membrane protein insertion ➡️ doi.org/10.1101/2025... 39437
Reposted by Javi Alexey Amunts @amunts.bsky.social · 04/07/2025Speak up to prevent a major loss for the field. CASP, which helped shaping structural biology including AlphaFold is on the verge of shutting down. NIH funding has lapsed, UC Davis support ends and the core team is being let go. Painfully shortsighted.science.orgExclusive: Famed protein structure competition nears end as NIH grant money runs outAgency silent on funding renewal for contest that inspired creation of AIs that predicted how proteins would fold 06546
Reposted by Javi Max Planck Institute of Biophysics @mpibp.bsky.social · 17/06/2025This is Ana’s third ERC grant! We’re proud to celebrate her success and groundbreaking work here at the Max Planck Institute of Biophysics. #ERCAdG Read more here 🔗 www.biophys.mpg.de/2872321/garcia-saez-awarded-erc-grantbiophys.mpg.deAna García-Sáez Awarded Prestigious ERC Grant 073
Reposted by Javi SPC Facility & Garcia-Alai Lab @spcembl.bsky.social · 12/05/2025Our latest research is out 📄 ! This study provides an interaction map of Sla2 & the regulatory proteins Sla1 & Pan1, predicted by AI modeling & confirmed by molecular biophysics. @lucasdefelipe.bsky.social @meytallandau.bsky.social @emilgustavsson.bsky.social @embl.org @cssbhamburg.bsky.social 0128
Reposted by Javi MRC Laboratory of Molecular Biology @mrclmb.ac.uk · 23/04/2025A colder frontier in cryo-EM 🧪🔬 Chris Russo’s group, inc. Joshua Dickerson, adapted #cryoEM to work at liquid helium temperatures (13 kelvins), where every frame captured contains more information than the equivalent using liquid nitrogen (81 kelvins). Read more: tinyurl.com/mwwcunkc #LMBResearch 05023
Reposted by Javi Sergio Cruz-León @sergiocruzleon.bsky.social · 11/04/2025Excited to share our preprint on the molecular architecture of heterochromatin in human cells 🧬🔬w/ @jpkreysing.bsky.social, @johannesbetz.bsky.social, @marinalusic.bsky.social, Turoňová lab, @hummerlab.bsky.social @becklab.bsky.social @mpibp.bsky.social 🔗 Preprint here tinyurl.com/3a74uanv 12362142
Javi @structjavi.bsky.social · 11/04/2025Look at those nucleosomes! 🧬 Impressive work on chromatin architecture from our colleagues, check it out below! ⬇️ 030
Reposted by Javi Charlie Scarff @scarfflab.bsky.social · 09/04/2025Swinging lever mechanism of myosin shown by time-resolved cryoEM www.nature.com/articles/s41... so glad to finally be able to share this with the community! @astburycentre.bsky.social @astbury-bsl.bsky.social @stemuench.bsky.social @snmcmillan.bsky.social @davidklebl.bsky.socialnature.comSwinging lever mechanism of myosin directly shown by time-resolved cryo-EM - NatureA study using time-resolved cryogenic electron microscopy reveals the swinging lever mechanism of myosin, providing information on the molecular basis behind the production of force and movement by my... 27630
Reposted by Javi Sven Klumpe @svenklumpe.bsky.social · 09/04/2025Thrilled to share these experiments on shaping focused ion beams to explore different ways of milling. Here, we explore using different beam geometries to generate cellular thin sections/lamellae. The video shows elongating the beam on a charging spot burn www.biorxiv.org/content/10.1... 26020
Reposted by Javi Benedikt Wimmer @bwmr.net · 06/02/2025Hey #teamtomo, if you often find yourself using the excellent membrain-seg from @lorenzlamm.bsky.social et al., you might find my napari plugin "napari-segselect" useful. Let's say your tomogram contains the edges of two bacterial cells, each with a membrane and cell wall: 33711
Reposted by Javi Sylvie Callegari @sylviecallegari.bsky.social · 13/03/2025Thrilled to share the structure of dimerised human PINK1 docked to an endogenous translocase array on the mitochondrial surface, composed of two TOM complexes, bridged by a VDAC2 dimer! Published today in Science www.science.org/doi/10.1126/... @wehi-research.bsky.social @komanderlab.bsky.social 816856
Javi @structjavi.bsky.social · 12/03/2025Interesting sample preparation method moving away from blotting 020
Reposted by Javi Sven Klumpe @svenklumpe.bsky.social · 05/03/2025Happy to share our manuscript on the in situ visualization of the copia retrotransposon in its final form today published in @cellcellpress.bsky.social www.cell.com/cell/fulltex.... What’s new? 1219679
Reposted by Javi Beck Laboratory @becklab.bsky.social · 17/01/2025In a great collaboration with @hummerlab.bsky.social and the Kräusslich lab: HIV capsid doesn't break at the NPC; instead, it cracks open the NPC itself! Details in Cell: authors.elsevier.com/sd/article/S... @mpibp.bsky.social @uniheidelberg.bsky.social A thread below: 7428136
Reposted by Javi Harry Low’s Lab @lowlab.bsky.social · 15/01/2025Love this.. 👏 MISO: Microfluidic protein isolation enables single particle cryo-EM structure determination from a single cell colony www.biorxiv.org/content/10.1... 04512
Javi @structjavi.bsky.social · 08/01/2025Wondering about phase separation and its impact in selective autophagy? Check the latest publication from the lab! ⬇️ 040