Reposted by Marion BarabanLevayer Lab @levayerr.bsky.social · 24/09/2026Only one week left to apply ! Check below for more details but the course will be great. Please spread the word 🙏 046
Marion Baraban @marionbaraban.bsky.social · 24/09/2026A funded postdoctoral position is available at the IBPS, Sorbonne University/CNRS/INSERM in Paris, to investigate the formation of the olfactory organ in zebrafish. We are looking for an postdoctoral researcher with expertise in transcriptomics and bioinformatics, (scRNAseq analysis). 11110
Reposted by Marion BarabanDevelopment Ageing and Adaptation Research unit @dev2a-lab.bsky.social · 22/09/2026📢Call for Group Leader in our unit within the Institut de Biologie Paris Seine in Paris @ibps.bsky.social www.ibps.sorbonne-universite.fr/fr/Recherche... 044
Reposted by Marion BarabanJeff Rasmussen @jraslab.bsky.social · 22/09/2026🚨 New preprint from the lab! 🚨 Transcriptomic profiling identifies cellular and molecular transitions during Merkel cell regeneration www.biorxiv.org/content/10.6...biorxiv.orgTranscriptomic profiling identifies cellular and molecular transitions during Merkel cell regenerationSkin exhibits a remarkable capacity for regeneration, which requires the coordinated reconstitution of diverse cell types and structures. Merkel cells are mechanosensory cells that detect gentle touch... 32210
Reposted by Marion BarabanOsvaldo Chara @osvaldo-chara.bsky.social · 22/09/2026We've just released StressNET: a machine-learning method that infers the mechanical state of tissues! Check it out! (1/8) 1299
Reposted by Marion BarabanDenis Krndija @deniskrndija.bsky.social · 22/09/2026A happy update to this preprint: our work is now published in Nature Communications! Fair and transparent peer review genuinely made the paper stronger – many thanks to the reviewers for pushing us to go deeper into the mechanics 🔩⚙️ www.nature.com/articles/s41...nature.comGoblet cells mechanically breach the epithelial barrier in gut homeostasis - Nature CommunicationsThis study shows that goblet cells physically compress neighboring intestinal cells, creating fractures in cell–cell junctions that weaken epithelial cohesion, increase gut permeability and reveal how... 1236
Reposted by Marion BarabanZebrafish Rock! @zebrafishrock.bsky.social · 16/09/2026More reasons to use your F2s! 152
Reposted by Marion Baraban@MEmilieTerret @memilieterret.bsky.social · 02/09/2026Great speakers, great science, great location = great meeting! EMBO workshop Forces across scale April 27-30, 2027 in Porto. meetings.embo.org/event/27-for...meetings.embo.orgForces across scalesThis EMBO Workshop on Forces Across Scales will provide an integrative perspective on mechanobiology, a rapidly advancing field that examines how mechanical forces shape biological systems across mol… 13526
Reposted by Marion BarabanBenoit Ladoux @bladoux.bsky.social · 02/09/2026Happy to share our new study @ijmonod.bsky.social on how surface curvature shapes multicellular organization and function. How curvature controls tissue chirality, patterns distinct architectures, and influences myogenic differentiation? www.biorxiv.org/content/10.6... 13210
Reposted by Marion BarabanBenoit Ladoux @bladoux.bsky.social · 02/09/2026Happy to share our new preprint! We uncover how local force imbalances drive keratinocyte delamination and upward motion, while neighboring cells close the basal layer below. Amazing work from @andreasschoenit.bsky.social! www.biorxiv.org/content/10.6... 13311
Reposted by Marion BarabanKate Cavanaugh @katecavanaugh.bsky.social · 25/08/2026🧵 What if one reason fertility declines with age isn’t just genetic-but mechanical? Thrilled to share our new paper in @NatureCellBio : Elevated contractility drives implantation failure in mouse embryos from aged females… here’s what we found 👇 www.nature.com/articles/s41... 1/11nature.comElevated contractility drives implantation failure in mouse embryos from aged females - Nature Cell BiologyCavanaugh et al. show that embryos from aged mice have increased contractility and tissue viscosity on embryonic day 4.5, which leads to poor spreading and attachment. Similar age-associated mechanica... 1214746
Reposted by Marion BarabanBenoit Ladoux @bladoux.bsky.social · 22/08/2026Happy to share our new paper @natcomms.nature.com on the role of active nematics on myoblast fusion and myotube growth! www.nature.com/articles/s41... Amazinf work from @dubey837.bsky.social, @yoannletoquin.bsky.social and Aleksandra Ardaševa! 14714
Reposted by Marion BarabanRafael Almeida @almeidalab.bsky.social · 25/07/2026New preprint from the lab 🥳 We made new knock-in zebrafish 🐟 that fluorescently tag endogenous neurofascins. So now, we can live-image neuronal nfasca/NF186 and glial nfascb/NF155 non-invasively, as nerves, nodes of Ranvier and paranodes develop in vivo 🧵👇 www.biorxiv.org/content/10.6...biorxiv.orgLive-imaging of endogenous neurofascins reveals glial adhesion shapes developing nodes of RanvierThe organisation of myelinated axons into specialised domains is essential for saltatory conduction and depends on the polarised distribution of neuronal and glial cell-adhesion molecules, including n... 33313
Reposted by Marion BarabanElena Scarpa & The Squeezable Cells Lab @squeezycellslab.bsky.social · 10/06/2026We are thrilled to announce our new preprint from the wonderful @sorayavillaseca.bsky.social Ever wondered how cells squeeze through tiny spaces in embryos? Neural crest cells use Dynein to transport their nucleus along microtubules. Check out the preprint!! www.biorxiv.org/content/10.6... 46926
Reposted by Marion BarabanJean Léon Maître @maitrejl.bsky.social · 09/06/2026That's right! EQDB made it all the way to Japan 🇯🇵! Many thanks to @laghalab.bsky.social @juliebatut.bsky.social @robinjournot.bsky.social @leopoldlab.bsky.social @clotilde-cadart.bsky.social Vincent, Emma, Miquel, Clara and Kai! Join us @sfbd.bsky.social for more outreach activities 2289
Reposted by Marion BarabanMwahahahahahadScientist @mads100tist.bsky.social · 14/05/2026I'm very happy to announce that the "From Postdoc to PI Session" will be sponsored by the @biologists.bsky.social and we will be offering a $$ Prize to the best talk, so now a twofer reason to apply! www.germanfishmeeting.org/from-postoc-... Let me know if you have any question/s! 🐟germanfishmeeting.orgFrom Postoc to PI Session | German Fish Meeting 03316
Reposted by Marion BarabanPau Guillamat @pauguillamat.bsky.social · 16/04/2026Just published in @science.org 🚀 By controlling how cells align, we show that living nematic tissues can be programmed to generate forces and fold into predictable 3D shapes. A new platform for tissue engineering and the design of smart active materials! www.science.org/doi/10.1126/...science.orgScience | AAAS 88433
Reposted by Marion BarabanSFBD_BioDev @sfbd.bsky.social · 16/04/2026🎉 Great success for our 2nd SFBD-SBCF science outreach day in Ivry-sur-Seine, with the support of the city! Over a thousand children came to take part in our workshops, led by around fifty researchers from institutes in Paris and Gif-sur-Yvette! Thank you all for your enthusiasm! 🔬🧬 2146
Reposted by Marion BarabanMwahahahahahadScientist @mads100tist.bsky.social · 14/04/2026May 29th. If you're in Paris, mark your calendars. Lock your pipettes. TELL YOUR cHAIR. RUN FOR YOUR LIVES 🧪🐟 27919
Reposted by Marion BarabanSFBD_BioDev @sfbd.bsky.social · 10/04/2026www.science.org/doi/10.1126/...science.orgHyaluronic acid and tissue mechanics orchestrate mammalian digit tip regenerationTissue regeneration is rare in mammals, but the digit tip can regrow after amputation, whereas injuries beyond the nail do not. How the microenvironment drives divergent outcomes remains unclear. In this study, we found that the extracellular matrix (ECM)... 031
Reposted by Marion BarabanEric Peterman @errricpeterman.bsky.social · 10/04/2026Happy #fluorescencefriday (and start of vacation!) to all those who are celebrating Lifeact-labeled epidermal stem cells closing a wound after in vivo adult zebrafish skin injury 413435
Reposted by Marion BarabanAkankshi Munjal @akankshi.bsky.social · 30/03/2026🐟!JOB ALERT!Duke, Durham, NC!🐟 We are looking for a research tech (our current tech is starting grad school this Fall (Yay!)). The candidate will contribute to our ongoing research projects on tissue morphogenesis using zebrafish. Please RT🙏 www.munjallab.com/join-usmunjallab.comOpportunities — Principles of Tissue Morphogenesis (Munjal Lab) 01925
Reposted by Marion BarabanLevayer Lab @levayerr.bsky.social · 27/03/2026Happy to share the heroic effort of @gaellel.bsky.social to reduce our segmentation pain through EpiCure (Epithelial Curation), a napari plugin easing the curation of epithelial segmentation developed with several groups of @devstempasteur.bsky.social. www.biorxiv.org/content/10.6... See more 👇biorxiv.org 14218
Reposted by Marion BarabanDevelopment Ageing and Adaptation Research unit @dev2a-lab.bsky.social · 16/03/2026🆁🅴🅼🅸🅽🅳🅴🆁 Spread the word 📢 & mark your 🗓️!! The 1st edition of the Dev2A symposium series will be held on May 7, 2026. 👉Inspiring invited speakers & opportunities for selected talks and posters from submitted abstracts ! ➡️Registration link : lnkd.in/eUyfAbmG ➡️Abstract submission deadline : March 30th 021
Reposted by Marion Barabanepithelial mechanics fan club @epimechfc.bsky.social · 15/03/2026How do tissues maintain their integrity? Let's discuss epithelial fractures! High tissue tension can cause cells to break their contacts, leading to rupture! 1298
Reposted by Marion BarabanDevelopment Ageing and Adaptation Research unit @dev2a-lab.bsky.social · 02/02/2026Spread the word 📢 & mark your calendars 🗓️!! The first edition of the Dev2A symposium series will be held on May 7, 2026. 👉Inspiring invited speakers & opportunities for selected talks and posters from submitted abstracts!! ➡️Registration: free but mandatory ➡️More information to come very soon 043
Reposted by Marion BarabanDevelopment Ageing and Adaptation Research unit @dev2a-lab.bsky.social · 09/03/2026Offre d'emploi | Ingénieur·e d'études plateau technique iPSC – Sorbonne Université Concours externe | Affectation : Unité Dev2A – IBPS, Paris www.enseignementsup-recherche.gouv.fr/fr/recruteme... #Recrutement et #Ingénieurd’études#SorbonneUniversité #CellulesSouches #iPSC #Recherche #CNRS #Insermenseignementsup-recherche.gouv.fr 022
Reposted by Marion BarabanRodrigo Fernandez-Gonzalez @rodrigofg.bsky.social · 20/02/2026Check out our new publication @dev-journal.bsky.social! If you thought that cell divisions challenge tissue boundaries ... you got half of the story! Using in vivo quantitative microscopy and math. modelling we show that divisions fluidize tissues and facilitate boundary refinement. 🧪 #drosophilajournals.biologists.comCell divisions both challenge and refine tissue boundaries in the Drosophila embryoHighlighted Article: A combination of mathematical modelling, in vivo quantitative microscopy, and pharmacological and biophysical manipulations reveals that cell divisions not only challenge, but als... 13211
Reposted by Marion BarabanRashmi Priya @rashmi-priya.bsky.social · 11/02/2026Our latest with @torres-sanchez.bsky.social journals.biologists.com/dev/article-... Breaking isn’t always a bad thing! Think of birth, seed release... We highlight how living tissue not only tolerates fractures but actively fracture to grow, shape, reproduce, or adapt – across species and scales.journals.biologists.comBreak to build: fracture as a unifying morphogenetic strategySummary: This Review presents mechanical fracture as a unifying morphogenetic strategy and describes how developmental systems actively exploit mechanical fracture to drive morphogenesis, reproduction... 34915
Reposted by Marion BarabanAlejandro Torres-Sánchez @torres-sanchez.bsky.social · 12/02/2026Development builds... But it also breaks! Planarians split to reproduce. Hydra tears open a mouth. Embryos fracture to make cavities. Failure? No. Fracture is essential to development. Our new review on fracture physics and its uses in development: journals.biologists.com/dev/article/...journals.biologists.comBreak to build: fracture as a unifying morphogenetic strategySummary: This Review presents mechanical fracture as a unifying morphogenetic strategy and describes how developmental systems actively exploit mechanical fracture to drive morphogenesis, reproduction... 14913
Reposted by Marion BarabanKaty Marshall-Phelps @katymarshallphelps.bsky.social · 17/12/2025Very grateful to the RSMacDonald Trust for funding my pilot project to establish zebrafish models of STXBP1-related NDDs - a brilliant pre-Christmas 🎁 Thanks so much to the @almeidalab.bsky.social for their continued support! 062
Reposted by Marion BarabanDafni Hadjieconomou @drosostalis.bsky.social · 05/12/2025Apply for a PhD in Paris!! A project to come and work with me and my team at the GutSense lab included in the list! 🪰🧠⛽ 11414
Reposted by Marion BarabanMerlin Lange @merlinlange.bsky.social · 22/03/2025Zoom-in on zebrafish head development captured with a light-sheet microscope. 🧪 #zebrafish #AcademicSky #DevBio #neuroskyence 513915
Reposted by Marion BarabanCristina Pujades @cristinapujades.bsky.social · 06/10/2025We are hiring ! Interested in understanding how neuronal cell diversity arises? Come and join us @upf.edu for a #PhD #FPI fellowship 11110
Reposted by Marion BarabanbioRxivpreprint @biorxivpreprint.bsky.social · 30/07/2025Dynamic interactions between epithelial skin cells and a sensory cavity sculpt the growing olfactory orifice www.biorxiv.org/content/10.1101/202… 032
Reposted by Marion Barabanepithelial mechanics fan club @epimechfc.bsky.social · 20/07/2025If you’ve been following this account closely, you might already know methods to probe mechanics in vitro, but what about in live embryos? I’m @amichaut.bsky.social, and I’m going to share a few great papers on this aspect of #EpithelialMechanics. 15115
Reposted by Marion BarabanManuel Thery @manuelthery.bsky.social · 08/07/2025Ever wished to become an actin star? 😎 Then try getting suspended above a non-adhesive substrate. www.nature.com/articles/s41...nature.comA multicellular star-shaped actin network underpins epithelial organization and connectivity - Nature CommunicationsThe combined role of cellular junctions and actomyosin networks in tissues remains unclear. Here, the authors identify a tissue-scale star-shaped network of actomyosin that preserves cell shape, limit... 26019
Reposted by Marion BarabanEsteban Hoijman @estebanhoijman.bsky.social · 18/06/2025How innate immunity starts? Early embryos eliminate bacterial infections by epithelial phagocytosis, a conserved process from zebrafish to human embryos. Check our story: www.cell.com/cell-host-mi... 510831
Reposted by Marion BarabanCristina Pujades @cristinapujades.bsky.social · 04/06/2025Do you want to join us to work in neurodevelopmental biology? Please apply 👇 #SEBD 02117
Reposted by Marion Barabanepithelial mechanics fan club @epimechfc.bsky.social · 25/05/2025What is buckling, and why is it relevant in understanding epithelial morphogenesis? 🧐 I am @onenimesa.bsky.social and I will share some papers to understand this aspect of #EpithelialMechanics 12511
Reposted by Marion BarabanJulia Eckert @juliaeckert.bsky.social · 25/05/2025Our new review paper from @yap-lab.bsky.social is online - together with Virgile Viasnoff! 👉 'New directions in epithelial mechanoadaptation' www.sciencedirect.com/science/arti... 15221
Reposted by Marion Barabanvlecaudey.bsky.social @vlecaudey.bsky.social · 14/05/2025New preprint from the lab!! Project was initiated by @chaitanyadingare.bsky.social and continued by Alicia Lardennois with quite some people involved on the way 🤗 392
Reposted by Marion Barabanlyons-lab.bsky.social @lyons-lab.bsky.social · 14/05/2025For those who want a distraction and/ or are interested, here's the latest from the group, led by Phil Braaker www.nature.com/articles/s41...nature.comActivity-driven myelin sheath growth is mediated by mGluR5 - Nature NeuroscienceEmploying pharmacology, genetics and all-optical approaches in zebrafish, Braaker et al. find that neuronal activity influences the growth of myelin sheaths along axons by signaling through metabotrop... 14722
Reposted by Marion BarabanZebrafish Rock! @zebrafishrock.bsky.social · 30/03/2025Transgenic zebrafish larva expressing fluorescent markers in the developing mouth and olfactory epithelium. Credit to @intheor.bsky.social 🧪 #ZebrafishZunday 1423
Reposted by Marion BarabanZebrafish Rock! @zebrafishrock.bsky.social · 23/03/2025Multicolored ‘skinbow’ cells on an adult zebrafish scale. Credit to Dr. Chen-Hui Chen (prev. Duke University). #ZebrafishZunday 🧪 49714
Reposted by Marion BarabanDevelopment Ageing and Adaptation Research unit @dev2a-lab.bsky.social · 18/03/2025Today, we listened to Dr Adam Ouzeri from the CQSB at Sorbonne Université, Paris. 011
Reposted by Marion Baraban@MEmilieTerret @memilieterret.bsky.social · 20/02/2025Check out our latest paper in Science Advances, in which we built a constriction-based microfluidic device to measure the deformability of oocytes to assess their mechanical properties with minimal impact. www.science.org/doi/10.1126/...science.orgNoninvasive characterization of oocyte deformability in microconstrictionsA microfluidic measurement method translates oocyte mechanical characterization into oocyte quality assessment. 36120
Reposted by Marion BarabanParichy Lab | Dave Parichy @dparichy.bsky.social · 18/02/2025New NIH funded research from our group now out. We are interested in development and evolution of cell types and adult phenotypes. In this paper, postdoc Dylan Huang and collaborators asked how a pigmentary ornament of bright white cells develops on the fin of zebrafish. www.pnas.org/doi/10.1073/... 12210
Reposted by Marion BarabanCarsen Stringer @computingnature.bsky.social · 12/02/2025#Cellpose 3 paper now out. Not all images are perfect. Restore your images with Cellpose3 to get better segmentations, w/ @marius10p.bsky.social www.nature.com/articles/s41... 613749
Reposted by Marion BarabanConstantin Pape @cppape.bsky.social · 12/02/2025After a long journey, Segment Anything for Microscopy is now published in Nature Methods! We significantly improve SAM for interactive and automatic segmentation in light and electron microscopy and build a user-friendly tool. www.nature.com/articles/s41... 11351119