Reposted by Shiori IidaMasa A. Shimazoe @masaashimazoe.bsky.social · 09/09/2026Our paper on euchromatin and cohesin is now published!!🙌 Euchromatin forms condensed domains, and cohesin constrains their local mixing. This organization maintains transcriptional insulation. This work was truly a team effort, and I’m grateful to everyone who contributed to it. 0205
Reposted by Shiori IidaKazuhiro Maeshima @kazu-maeshima.bsky.social · 08/09/2026Is euchromatin really “open”? 🧬 Using super-resolution imaging🔬 our new study @natgenet.nature.com reveals: Euchromatin forms condensed domains in live cells. Cohesin constrains them and prevents domain mixing for proper transcriptional insulation🚧 🔗 www.nature.com/articles/s41... (1/2) 415167
Reposted by Shiori IidaSara Wickstrom @sarawickstrom.bsky.social · 23/06/2026Truly honored to recieve this recognition-a testament to the dedication, hard work and creativity of past and current lab members, I am grateful to be able to do science with them. Also want to thank all our wonderful collaborators that facilitate interdisciplinary work essential for new discoveries 119013
Reposted by Shiori IidaMax Planck Institute for Molecular Biomedicine @mpi-muenster.bsky.social · 19/08/2026What a wonderful short film for @sarawickstrom.bsky.social Sara Wickström's Körber Prize for European Science 2026! Our director explains how cells sense physical forces and translate them into gene activity. Thanks, @koerber-stiftung.de and Wagnervision GmbH 🎥 koerber-stiftung.de/en/media/sar...koerber-stiftung.deSara Wickström – Körber Prize Winner 2026: The hidden senses of cellsWickström discovered how cells sense the physical world around them. Her research showed that cells can “feel” forces such as pressure and stretching and relay these signals all the way to their DNA. ... 53712
Shiori Iida @shiori-iida.bsky.social · 08/09/2026Happy to share that this paper is now published in Nature Genetics! Grateful to everyone who supported this work throughout this long journey. I’m proud to see it out! www.nature.com/articles/s41...nature.comCohesin prevents local mixing of condensed euchromatic domains in living human cells - Nature GeneticsSingle-nucleosome imaging/tracking and super-resolution three-dimensional structured illumination microscopy within euchromatic regions show that cohesin-mediated loops constrain condensed euchromatic... 22612
Reposted by Shiori IidaMir Lab @mirlab.bsky.social · 07/06/20261/🧵 Can transcription factor condensate formation be explained without phase separation? Our new preprint introduces SPARK, a simulation tool that reproduces condensate behavior (clustering, fusion, FRAP) from diffusion & binding kinetics alone. Movie: 60 sec FRAP sim www.biorxiv.org/content/10.6... 37836
Shiori Iida @shiori-iida.bsky.social · 04/05/2026Congratulations, @ynagata.bsky.social ! lots of interesting observations here 020
Reposted by Shiori IidaXavier Trepat @xaviertrepat.bsky.social · 17/04/2026Our latest work on shape-programmable tissues is out in @science.org. By positioning topological defects in cellular nematics, we encode frustrated 2D force fields that relax into predictable 3D shapes. Collaboration with Marino Arroyo’s lab, led by @pauguillamat.bsky.social at @ibecbarcelona.eu. 718464
Reposted by Shiori IidaMasa A. Shimazoe @masaashimazoe.bsky.social · 09/04/2026My first, first author paper is now on #ScienceAdvances ! Linker histone H1 is a liquid-like "glue" condensing chromatin, which revises textbooks! 📖✨ science.org/doi/10.1126/sc… Huge thanks to @kazu-maeshima.bsky.social , for supervision. Amazing collab with @rcollepardo.bsky.social ’s group! 1/science.org 53612
Reposted by Shiori IidaKazuhiro Maeshima @kazu-maeshima.bsky.social · 08/04/2026Our H1 paper is out #ScienceAdvances: www.science.org/doi/10.1126/... @masaashimazoe.bsky.social et al. reveal that linker histone H1 acts as a liquid-like glue to organize chromatin in live cells. 🎉 Fantastic collab with @rcollepardo.bsky.social @janhuemar.bsky.social and others—huge thanks! 🙌 1/ 26430
Reposted by Shiori IidaPastelBio @pastelbio.bsky.social · 20/02/2026QuantiTrack: A unified software to study protein dynamics in living cells www.biorxiv.org/cont... --- #proteomics #prot-preprint 131
Reposted by Shiori IidabioRxiv Biophysics @biorxiv-biophys.bsky.social · 20/02/2026QuantiTrack: A unified software to study protein dynamics in living cells www.biorxiv.org/content/10.64898/20… 021
Reposted by Shiori IidaGerlich Lab @gerlichlab.bsky.social · 25/02/20261/New preprint just dropped! 🔥🔥 We investigate how the genome is destroyed in apoptotic cells in a way that prevents DNA fragments from spreading beyond the dying cell 🧬⚰ Done here at @imbavienna.bsky.social & in the super @rcollepardo.bsky.social & Rosen labs: www.biorxiv.org/content/10.6...biorxiv.org 27225
Reposted by Shiori IidaSara Wickstrom @sarawickstrom.bsky.social · 10/02/2026Excited to share our work on epithelial multilayering - identifying why stem cell stay in the basal layer and how and why differentiating cells move up. Great collab with @manningresearch.bsky.social and Niessen labs! Check out preprint and great summary below www.biorxiv.org/content/10.6...biorxiv.org 28437
Reposted by Shiori IidaHiroshi Ochiai @hiroshiochiai.bsky.social · 11/02/20261/3 New bioRxiv preprint from the lab: “Minute-scale coupling of chromatin marks and transcriptional bursts”. Led by Xiohui Gao & Chaebeen Ko. bioRxiv : www.biorxiv.org/cgi/content/... 14220
Reposted by Shiori IidaBrugues Lab @brugueslab.bsky.social · 07/01/2026Excited to share Alison's @alisonkickuth.bsky.social paper from the lab out in @nature.com this week! We uncovered how a mechanical ratchet mechanism drives cytokinesis in early #zebrafish embryos. Read more in this thread 🧵 and at www.nature.com/articles/s41... 🤩 @poldresden.bsky.social @mpi-cbg.de 814960
Shiori Iida @shiori-iida.bsky.social · 08/01/2026rdcu.be/eX729rdcu.beGenetic switch between unicellularity and multicellularity in marine yeastsNature - Myb1 functions as a switch-like regulator of state transitions in Hortaea werneckii, whereby its expression and degradation are coupled to nutrient conditions, stabilizing unicellular or... 010
Reposted by Shiori IidaRosana Collepardo @rcollepardo.bsky.social · 05/12/2025Our Science paper is out! Huge congratulations to @huabin-zhou.bsky.social, Mike Rosen, and the brilliant @janhuemar.bsky.social @juliamaristany.bsky.social and @kieran-russell.bsky.social from our group News: bit.ly/4avnkAr and bit.ly/3XBGVHS Great perspective by @vram142.bsky.social +K Zhang 28941
Reposted by Shiori IidaJulia Maristany @juliamaristany.bsky.social · 05/12/2025Our latest work is out in @science.org !!!!!!! We look into #chromatin condensates at near atomistic resolution to decipher its phase behaviour and material properties 👩🔬🥼🧬 1344
Reposted by Shiori IidaCell - a Cell Press journal @cp-cell.bsky.social · 02/12/2025Now online! Membrane potential mediates the cellular response to mechanical pressuredlvr.itMembrane potential mediates the cellular response to mechanical pressureCells in tissues need to know when to start growing and when to stop growing to quickly heal wounds but prevent tumorous overgrowth. Membrane potential allows cells to sense physical forces, including those from neighboring cells, and thereby regulates growth. 186
Reposted by Shiori IidabioRxivpreprint @biorxivpreprint.bsky.social · 17/11/2025AT-hook-dependent DNA loop extrusion by STAG1 drives 3D genome folding www.biorxiv.org/content/10.1101/202… 011
Reposted by Shiori IidaBenoit Bruneau @benoitbruneau.bsky.social · 27/11/2025Bah, who needs cohesin if you're at the right place (near). Grover once taught us the difference between near and far (my favourite Sesame Street piece), and now amazing work from @elphegenoralab.bsky.social led by @karissalhansen.bsky.social shows us how: www.science.org/doi/10.1126/...science.orgSynergy between regulatory elements can render cohesin dispensable for distal enhancer functionEnhancers are critical genetic elements controlling transcription from promoters, yet how they convey regulatory information across large genomic distances remains unclear. Here, we engineer pluripote... 25719
Reposted by Shiori IidaYohsuke T. Fukai @fukaity.bsky.social · 20/11/2025Published in Science Advances! Looking forward to discussing the implications of our results and their applications with many researchers. www.science.org/doi/10.1126/...science.orgGene-scale in vitro reconstitution reveals histone acetylation directly controls chromatin architectureReconstituting 20-kb chromatin shows that tuning acetylation alone reshapes its folding, dynamics, and contact domain formation. 1105
Reposted by Shiori IidaKyogo Kawaguchi @kyogok.bsky.social · 20/11/2025To probe gene-scale chromatin physics, we built 96-mer (20 kb) arrays with defined histone marks. Combining single-molecule tracking, AFM imaging, and developing in vitro Hi-C, we saw how specific modifications dictate chromatin structure and dynamics. www.science.org/doi/10.1126/...science.orgGene-scale in vitro reconstitution reveals histone acetylation directly controls chromatin architectureReconstituting 20-kb chromatin shows that tuning acetylation alone reshapes its folding, dynamics, and contact domain formation. 56021
Reposted by Shiori IidaTadasu Nozaki @tadasu443.bsky.social · 13/11/2025I launched my lab at UMass Amherst this fall. We study the mechanisms of meiotic homolog pairing using advanced live‑cell and super‑resolution imaging. Currently in budding yeast, with plans to expand to other eukaryotes. #Chromosome #Meiosis #Mitosis www.umass.edu/biology/abou... 13210
Reposted by Shiori IidaSara Wickstrom @sarawickstrom.bsky.social · 20/10/2025Welcome @shiori-iida.bsky.social , it’s great to have you in the lab! Excited about new directions in chromatin rheology and cell fate 🤓 061
Shiori Iida @shiori-iida.bsky.social · 20/10/2025I’ve recently joined @sarawickstrom.bsky.social lab at @mpi-muenster.bsky.social as a postdoc! I’ll keep doing exciting science with joy and passion 🔬💫 Huge thanks to @kazu-maeshima.bsky.social lab for all the support during my PhD journey⛰️ I’ll start by tasting every single sausage here🇩🇪 060
Reposted by Shiori IidaSara Wickstrom @sarawickstrom.bsky.social · 29/09/2025How do #stemcells integrate information to coordinate fate decisions? Delighted to finally see our work showing how growth factors regulate the mechano-osmotic state of the #nucleus and #chromatin to control #pluripotency exit out! www.nature.com/articles/s41... see 🧵 👇nature.comMechano-osmotic signals control chromatin state and fate transitions in pluripotent stem cells - Nature Cell BiologyMcCreery, Stubb et al. show that mechano-osmotic changes in the nucleus induce general transcriptional repression and prime chromatin for cell fate transitions by relieving repression of specific differentiation genes. 1017474
Reposted by Shiori IidaKazuhiro Maeshima @kazu-maeshima.bsky.social · 28/08/2025Is euchromatin really “open”? Our new study @bioRxiv suggests otherwise. Using super-resolution imaging @shiori-iida.bsky.social @masaashimazoe.bsky.social reveals: Euchromatin forms condensed domains in live cells. Cohesin constrains them and prevents domain mixing. www.biorxiv.org/cgi/content/... 310237
Reposted by Shiori IidaMasa A. Shimazoe @masaashimazoe.bsky.social · 28/08/2025Euchromatin is mostly condensed⁉️ With @shiori-iida.bsky.social , We revealed the detailed structure of euchromatin using super-resolution imaging. Cohesin regulates the function of euchromatin via chromatin dynamics! (1/n) 3163
Shiori Iida @shiori-iida.bsky.social · 29/08/2025One more movie! Using the RL algorithm (from pnas.org/doi/10.1073/...), @masaashimazoe.bsky.social analyzed our nucleosome tracking data and classified them by their mobility. Hotter color = faster motion (Slow🔵→ 🟢 → 🟡 → 🟠 Fast) 24716
Shiori Iida @shiori-iida.bsky.social · 28/08/2025Our new preprint is out! We combined single-nucleosome imaging and 3D-SIM to reveal: 🔹 Euchromatin forms condensed domains, not open fibers 🔹Cohesin loss increases nucleosome mobility without decompaction 🔹Cohesin prevents neighboring domain mixing Full story & movies👇 3197
Reposted by Shiori IidaSimone Reber @simonereber.bsky.social · 15/08/2025FINALLY! Challenging to publish but we believe it is an important discovery: rdcu.be/eATFz 💚 Thanks to the team @biswashere.bsky.social, Omar Muñoz, ✨Q✨ C. Hoege, B. Lorton, R. Nikolay @matthewkraushar.bsky.social @dshechter.bsky.social @gucklab.bsky.social @vasilyzaburdaev.bsky.social 💚rdcu.beConserved nucleocytoplasmic density homeostasis drives cellular organization across eukaryotesNature Communications - Cells can regulate their mass density. Here, the authors demonstrate how eukaryotes establish and maintain a lower density in the nucleus than in the cytoplasm via pressure... 15525
Reposted by Shiori Iidasemeigazin.bsky.social @semeigazin.bsky.social · 16/07/2025My #PhD defense work is on #Biorxiv! Link: biorxiv.org/content/10.110… Using single-molecule #imaging, we showed that liquid-like BRD4-NUT condensates locally constrain #chromatin via #bromodomain-dependent crosslinking. I thank my supervisor, Prof. @kazu-maeshima.bsky.social, for his support! 032
Reposted by Shiori IidaKazuhiro Maeshima @kazu-maeshima.bsky.social · 10/07/2025Our new preprint 🧬🔗 www.biorxiv.org/content/10.1... BRD4-NUT forms liquid-like condensates that locally constrain nucleosomes via BRD4-mediated crosslinking— physical control of #chromatin by #LLPS transcription condensates. @semeigazin.bsky.social @katsuminami.bsky.social @masaashimazoe.bsky.social 15025
Reposted by Shiori IidaKazuhiro Maeshima @kazu-maeshima.bsky.social · 30/04/2025📢 NIG Postdoc Fellowship Call! www.nig.ac.jp/nig/career-d... 🧬We’re seeking motivated postdocs to join our lab. 🔬We study chromatin behavior in living cells using advanced live-cell imaging and quantitative analysis: www.science.org/doi/10.1126/... doi.org/10.2183/pjab... Interested? Please apply! 01210
Reposted by Shiori IidaSara Wickstrom @sarawickstrom.bsky.social · 23/04/2025 Check out this exciting preprint from @aznarbenitahlab.bsky.social discovering a new mode of crosstalk between YAP and the circadian regulator BMAL1. Congrats @juliabonjoch.bsky.social and @guiomarsolanas.bsky.social for fantastic work and thank you for the fun collaboration! 293
Reposted by Shiori IidaRikki Garner @rikkigarner.bsky.social · 24/04/2025In developing embryos, cells move a lot! Plenty of that movement is random. Is random cell mixing a feature or bug for tissue patterning? Turns out, it’s both! Excited to share the 1st preprint from my postdoc w/ Sean Megason @seanemcgeary.bsky.social and Allon Klein. 1/20 doi.org/10.1101/2025... 712334
Reposted by Shiori IidaKazuhiro Maeshima @kazu-maeshima.bsky.social · 25/04/2025🎥 Video: See chromatin in action — each dot is a single nucleosome, dynamically fluctuating in a living HeLa cell (TMR-labeled, 50 ms/frame). 🔬 Original paper: www.science.org/doi/full/10....science.orgSingle-nucleosome imaging reveals steady-state motion of interphase chromatin in living human cellsLocal chromatin motion remains steady during interphase, allowing cells to conduct housekeeping tasks under similar environments. 063
Reposted by Shiori IidaKazuhiro Maeshima @kazu-maeshima.bsky.social · 25/04/2025🧬My retrospective chromatin review is out @Proc Jpn Acad: doi.org/10.2183/pjab... The textbook view of #chromatin as 30-nm fibers is fading. A new paradigm: chromatin forms #liquid-like domains—locally dynamic, yet globally stable at the chromosome level (viscoelastic)—supporting genome function. ✨ 12712
Reposted by Shiori IidaKazuhiro Maeshima @kazu-maeshima.bsky.social · 29/03/2025Our new paper is out@ScienceAdvances👇 www.science.org/doi/10.1126/... 🧬Our Repli-Histo labeling marks nucleosomes in euchromatin and heterochromatin in live human cells. 🔍 @katsuminami.bsky.social et al. have developed a chromatin behavior atlas within the nucleus. 1/2 16924
Shiori Iida @shiori-iida.bsky.social · 27/03/2025On top of that, I’m honored to receive the SOKENDAI Award from my university for my PhD work! I can't thank @kazu-maeshima.bsky.social, my labmates, and all the NIG members enough for their support. This recognition gives me even more motivation for the journey ahead! 080
Shiori Iida @shiori-iida.bsky.social · 27/03/2025It took blood, sweat, tears, too much coffee☕️, and just the right amount of alcohol🍺—but I finally got my PhD! Huge thanks to everyone supported me, especially my mentor @kazu-maeshima.bsky.social, labmates, friends, and family. I’m excited to keep chasing big questions and growing as a scientist! 0110
Reposted by Shiori IidaKazuhiro Maeshima @kazu-maeshima.bsky.social · 07/03/2025Our new preprint is out@bioRxiv: www.biorxiv.org/content/10.1... @masaashimazoe.bsky.social et al. reveal that linker histone H1 acts as a liquid-like glue to organize chromatin in living cells. 🎉 Fantastic collab with @rcollepardo.bsky.social @janhuemar.bsky.social and others—huge thanks! 🙌 1/ 311439
Reposted by Shiori IidaKazuhiro Maeshima @kazu-maeshima.bsky.social · 20/02/2025Our new review on how the #chromatin domain is formed in the cell is now available @Curr Opin Struct Biol.📄✨ We critically discuss the domain formation mechanism from a physical perspective, including #phase-separation and #condensation. 📥 Free-download link: authors.elsevier.com/a/1keGn,LqAr... 07435
Reposted by Shiori Iida@PhysGenCenter @physgencenter.bsky.social · 24/01/2025Today in Science Advances: "Mature chromatin packing domains persist after RAD21 depletion in 3D". Researchers at CPGE integrated measurements of genome connectivity and physical structure to deepen our understanding of chromatin organization #chromatin #genomics www.science.org/doi/10.1126/...science.orgMature chromatin packing domains persist after RAD21 depletion in 3DRAD21 contributes to nascent packing domain formation, but maturation requires nucleosome posttranslational modifications. 0123
Reposted by Shiori IidaAkane @hoyako.bsky.social · 24/12/2024Thanks🎅🏼🦌 Merry Christmas all. @shiori-iida.bsky.social @dai.tsujino #NIGchrismtmass 062
Reposted by Shiori IidaKazuhiro Maeshima @kazu-maeshima.bsky.social · 30/11/2024We are seeking a motivated postdoc to join our lab! Our research focuses on live-cell imaging/analysis to reveal how chromatin behaves in living cells and how its behavior contributes to cellular functions. www.nature.com/articles/s41... www.science.org/doi/10.1126/... Interested? Please DM me! 26640