Reposted by Julia Eckertmyosinactncrazy.bsky.social @myosinactncrazy.bsky.social · 30/09/2026www.biorxiv.org/content/10.6...biorxiv.orgSelf-centering steady-state flows emerge in confined actomyosin networksThe actin cytoskeleton drives shape changes and transport in cells and supports mechanical signal transmission. However, how cells control and use active cytoskeletal flows at the mesoscale is not wel... 033
Reposted by Julia Eckertmyosinactncrazy.bsky.social @myosinactncrazy.bsky.social · 30/09/2026www.molbiolcell.org/doi/10.1091/...molbiolcell.orgCell–matrix interactions drive functional compartmentalization of mitochondria during 3D migration | Molecular Biology of the CellCells migrating through three-dimensional (3D) tissues adapt their mechanical properties in response to extracellular matrix architecture through migratory plasticity. In primary human dermal fibrobla... 0154
Reposted by Julia EckertarXiv cond-mat.soft Soft Condensed Matter @condmatsoft-bot.bsky.social · 29/09/2026Tianxiang Ma, Lasse Bonn, Valeriia Grudtsyna, Nigar Abbasova, Martin Cramer Pedersen, Nuno A. M. Araujo, Amin Doostmohammadi: Cell division sets a universal flow geometry in cell layers arxiv.org/abs/2609.34631 arxiv.org/pdf/2609.34631 arxiv.org/html/2609.34631 052
Julia Eckert @juliaeckert.bsky.social · 27/09/2026Fascinating to see how patterns appear across scales and systems! 🦓 Thanks @benswedlund.bsky.social for this amazing #EpithelialMechanics thread! 👇 041
Reposted by Julia EckertLevayer Lab @levayerr.bsky.social · 23/09/2026Not every cell react the same way to caspase activation. In our recent study (led by @tomcumming.bsky.social and initiated by @avillars.bsky.social ), we tried to better understand what explains this difference and outlined a role of past caspase exposure 👇 www.nature.com/articles/s41... 38726
Reposted by Julia EckertVictor Yashunsky @yashunsky.bsky.social · 23/09/2026The puzzle of living 'cowlicks' and cellular swirls at phys.org phys.org/news/2026-09...phys.orgFrom swarming bacteria to tissue cells, living matter defies classic physical models of motionA new study led by researchers from Ben-Gurion University of the Negev (BGU) reveals that living matter violates previously known physical principles of symmetry when cellular flows form and break dow... 012
Reposted by Julia EckertBenoit Ladoux @bladoux.bsky.social · 23/09/2026What determines how epithelial cells divide when shape cues disappear? Our new work in @natcomms.nature.com shows that divisions follow maximal stress anisotropy — a “principal-stress rule” beyond Hertwig’s long-axis rule. Fantastic work led by @luanger.bsky.social www.nature.com/articles/s41... 24918
Reposted by Julia EckertOsvaldo 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 Julia EckertIsabelle Bonnet @ibonnetsu.bsky.social · 21/09/2026Get lucky with your nematic analysis — DeftPunk is here! Open-source tool for orientation fields, topological defect detection (position, charge, orientation), and splay-bend anisotropy estimation. 🔬 @softmatter.rsc.org doi.org/10.1039/d6sm... 0126
Reposted by Julia EckertDevelopment @dev-journal.bsky.social · 18/09/2026Pathway to Independence – an interview with Yamini Ravichandran In this interview, Yamini discusses her work focusing on understanding tissue-scale processes, regeneration and morphogenesis. doi.org/10.1242/dev.... 03113
Reposted by Julia EckertSophie Acton @actonlab.bsky.social · 16/09/2026Latest preprint now online! doi.org/10.64898/202... Veronika Lachina generates a vertex model to integrate active cellular forces and passive extracellular mechanics to produce rapid, cyclical tissue remodelling Collaboration with the brilliant @yanlanmao.bsky.social at @lmcb-ucl.bsky.social 13110
Reposted by Julia EckertSudheer Peneti Ph.D @sudheerpeneti.bsky.social · 15/09/2026Wow! So excited to see on cover #MBoC #ASCB in Forces On and Within the cells issue. Vimentin expressed highest in epithelial leader cells and studied its role in leader cell mechanics. For interested ones, here is the link www.molbiolcell.org/doi/10.1091/... Thanks @ascbiology.bsky.social 092
Reposted by Julia EckertRobert Arkowitz @robertarkowitz.bsky.social · 14/09/2026www.nature.com/articles/s41...nature.comCFM: confinement force microscopy—a dynamic, precise and stable microconfiner for traction force microscopy in spatial confinement - Nature MethodsCFM enables tunable cell confinement for measuring traction forces exerted by single cells and cell aggregates in tissue-mimicking microenvironments. 1113
Reposted by Julia EckertAlex Ludwig @alexludwig.bsky.social · 14/09/2026How do epithelial cells make a lumen as they polarize? We have some exciting new answers to this long standing question. Check out our new paper in which we show that lumen initiation is driven by large vacuoles that deliver a pre-assembled apical cortex to the AMIS: www.nature.com/articles/s41...nature.comBulk delivery of a preassembled apical surface initiates epithelial lumen formation - Nature CommunicationsEpithelial lumen formation is fundamental to organ development, yet how apical surfaces first emerge remains unclear. Ghosh, Martin, and Chen et al., show that lumen initiation is driven via bulk deli... 03312
Reposted by Julia EckertJulia Eckert @juliaeckert.bsky.social · 12/09/2026From cell signaling to collective tissue dynamics, our community is sharing incredible research! 🔬 Thanks to everyone! Want to become an @epimechfc.bsky.social delegate and share your passion for science with us? Reach out and let us host your next thread.🧵 👉 epithelialmechanics.github.io/threads/ 01211
Julia Eckert @juliaeckert.bsky.social · 12/09/2026From cell signaling to collective tissue dynamics, our community is sharing incredible research! 🔬 Thanks to everyone! Want to become an @epimechfc.bsky.social delegate and share your passion for science with us? Reach out and let us host your next thread.🧵 👉 epithelialmechanics.github.io/threads/ 01211
Reposted by Julia Eckertepithelial mechanics fan club @epimechfc.bsky.social · 08/09/2026Santhosh, S., & Serra, M. (2026). Achiral Odd Mechanics in Cell Monolayers. bioRxiv, 2026-07. #EpithelialMechanics www.biorxiv.org/content/10.6... 095
Reposted by Julia EckertThe EMBO Journal @embojournal.org · 07/09/2026Dynamic control of cell state transitions during tissue morphogenesis Elias Barriga et al @eliasbarrigalab.bsky.social review how gene expression, chromatin modifications & microenvironmental biophysical factors contribute to robust coordination of morphogenesis link.springer.com/article/10.1... 04015
Reposted by Julia EckertarXiv physics.bio-ph Biological Physics @physicsbioph-bot.bsky.social · 04/09/2026Mina Kamao, Hiroyuki Miyoshi, Takaaki Nara, Hiroki Miyazako: Internal geometries regulate the symmetry of defect configurations in cell populations confined to domains with a negative Euler c... arxiv.org/abs/2609.03328 arxiv.org/pdf/2609.03328 arxiv.org/html/2609.03328 031
Reposted by Julia EckertVictor Yashunsky @yashunsky.bsky.social · 06/09/2026Our @natphys.nature.com paper is now out! We find that defect creation & annihilation in bacteria and cells collectives spontaneously break mirror symmetry—unpredicted by active nematic theory. #softmatter #chiral #ActiveMatter #TopologicalDefects #LivingMatter #CellPolarity rdcu.be/yWTRbT26p9qa 383
Reposted by Julia Eckertepithelial mechanics fan club @epimechfc.bsky.social · 06/09/2026Hi! I’m @vitoryang.bsky.social, a PhD candidate studying how cells migrate collectively during development. My work focuses on cytoskeleton dynamics and Rho GTPase signalling, using Drosophila border cells as a genetically tractable in vivo model. 17416
Reposted by Julia EckertDevelopment @dev-journal.bsky.social · 04/09/2026The role of geometry in morphogenesis Read this Review from our special issue #DevSIextracellular by Ryan Harrison, Olivier Hamant and @timesaunders.bsky.social. journals.biologists.com/dev/article/... 03015
Reposted by Julia EckertDevelopment @dev-journal.bsky.social · 03/09/2026Biophysics of lumen morphogenesis Read this Review from our special issue #DevSIextracellular by Byung Ho Lee, @hiraiwatetsuya.bsky.social, Masaki Sano, Alf Honigmann, Daniel Riveline, @anne-grapin.bsky.social and colleagues. doi.org/10.1242/dev.... 0186
Reposted by Julia EckertRicard Alert Zenón @ricardalert.bsky.social · 02/09/2026New preprint! We found an active wetting transition in cell aggregates. We obtain an active Young-Dupré condition, which allows us to capture states of partial and complete wetting. With group members MJ Franco-Oñate and Hanno Hennighausen! arxiv.org/abs/2608.28912 1276
Reposted by Julia EckertAndreas Schoenit @andreasschoenit.bsky.social · 01/09/2026Excited to share a new preprint! We address a longstanding question related to stratifying tissues: What are the physical mechanisms that drive epidermal cell delamination? Find out why this👇 traction force pattern emerges and how it is linked to upward cell motion: www.biorxiv.org/content/10.6... 1115
Reposted by Julia EckertarXiv physics.bio-ph Biological Physics @physicsbioph-bot.bsky.social · 01/09/2026MJ Franco-O\~nate, Hanno I. Hennighausen, Ricard Alert: Active wetting transition in cell aggregates arxiv.org/abs/2608.28912 arxiv.org/pdf/2608.28912 arxiv.org/html/2608.28912 011
Reposted by Julia EckertSushil Dubey @dubey837.bsky.social · 31/08/2026How surface curvature shapes muscle tissue architecture: New preprint from our lab shows that myoblasts self-organize into helical structures driven by substrate curvature, revealing a geometric mechanism that also regulates myogenic differentiation. 041
Reposted by Julia Eckertmyosinactncrazy.bsky.social @myosinactncrazy.bsky.social · 30/08/2026Microscale matrix defects suppress tension-dependent protrusions and stall collective cell migration: Cell Reports www.cell.com/cell-reports...cell.comMicroscale matrix defects suppress tension-dependent protrusions and stall collective cell migrationZmuda et al. show that microscale defects on soft collagen-IV stall epithelial migration via filopodial sensing and intercellular communication of cytoskeletal disruption. Stiffer matrices, switching ... 073
Reposted by Julia EckertMwahahahahahadScientist @mads100tist.bsky.social · 29/08/2026Do you work with microscopy images and segment to quantify or track? Do you study cell biology? development? Gather round! Let me tell you about FOCUS-3D, a segmentation algorithm that is fast, accurate and can be used on any model. We used it here to study zebrafish development. 🧪 (thread)biorxiv.orgFOCUS‑3D: Robust, generalizable volumetric cell segmentation for three‑dimensional fluorescence microscopyUnderstanding how cells establish spatial organization within tissues is a fundamental question in life sciences. While modern three-dimensional fluorescence microscopy captures large-volume tissue ar... 1525183
Reposted by Julia EckertRaphaël Clément @raphclement.bsky.social · 27/08/2026A developmental biologist's guide to mechanics, just out in Development! In which we learn about the three pillars of any mechanical model: forces, mechanical properties, and boundary conditions. @pflenne.bsky.social @alessandrochppr.bsky.social @caojialing1002.bsky.social @dev-journal.bsky.socialjournals.biologists.comA developmental biologist's guide to mechanicsSummary: A guide to mechanics in development: unlock how forces, material properties and geometry shape the forms of life. 16537
Reposted by Julia EckertMarta Batet Palau @martabatetpalau.bsky.social · 27/08/2026So excited my PhD work is finally out! A huge collaborative effort of the Ruprecht lab, especially of my co-authors @laurafbianchi.bsky.social & @hannamariahakkinen.bsky.social Check below Laura's thread if you want to know more about E-cadherin novel and unexpected role in epithelial phagocytosis 0115
Reposted by Julia Eckertmyosinactncrazy.bsky.social @myosinactncrazy.bsky.social · 24/08/2026www.nature.com/articles/s41... Actin based cell chirality emerging at the boundary of 2D-microtissue directs chiral multicellular pattern formation 0154
Reposted by Julia EckertBenoit 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 Julia Eckertepithelial mechanics fan club @epimechfc.bsky.social · 21/08/2026Islam, S. T., Tang, Y., Boliver, H., Bi, D., & Fowler, V. M. (2025). Nonmuscle myosin IIA (NMIIA) regulates anisotropic cell tension to maintain the hexagonal packing of mouse lens meridional row cells. Molecular biology of the cell, 36(10), ar124. #epithelialMechanics buff.ly/iucn3FO 095
Reposted by Julia EckertbioRxiv Biophysics @biorxiv-biophys.bsky.social · 20/08/2026Morphogenesis of a stratified cell mound at a vortex defect www.biorxiv.org/content/10.64898/20… 021
Reposted by Julia EckertScience X / Phys.org @sciencex.bsky.social · 09/07/2026Active epithelial tissues can still behave like glass, with slow, trapped cell regions beside faster ones. Simulations matched the pattern only when mechanochemical feedback and crowding were included. doi.org/hb9x7vphys.orgUnraveling the glass-like nature of epithelial tissuesIn a new study, researchers at the Indian Institute of Science (IISc) have resolved a longstanding mystery by showing how epithelial tissues exhibit slow-moving, glass-like behavior despite their fast-paced biological activity. 073
Reposted by Julia Eckertepithelial mechanics fan club @epimechfc.bsky.social · 16/08/2026Tissue morphogenesis demands massive deformations, yet tissues must stay coherent. This is achieved through cell intercalation, also known as T1 transitions. But what drives them mechanically? I'm @arturruppel.bsky.social, and I'll walk you through the physics, from whole embryos down to four cells 23613
Reposted by Julia Eckertmyosinactncrazy.bsky.social @myosinactncrazy.bsky.social · 12/08/2026www.biorxiv.org/content/10.6... Why is the purse string not enough? 052
Reposted by Julia Eckertepithelial mechanics fan club @epimechfc.bsky.social · 12/08/2026Ruppel, A., Misiak, V., Arzash, S., Selma-Herrador, D., Boudou, T., ... & Balland, M. (2026). A minimal in vitro assay for cell intercalation highlights the importance of interfacial tension and migratory forces. Nature Physics, 1-14. #EpithelialMechanics buff.ly/T5ZnvnR 0177
Reposted by Julia EckertSrinivas Lab @srinivas-lab.bsky.social · 11/08/2026Happy to share our new eLife paper on tissue dynamics during anterior-posterior axis formation. elifesciences.org/reviewed-pre... 13110
Reposted by Julia EckertMattia Serra @mattiaserra.bsky.social · 05/08/2026Preprint📣: Living tissues can exhibit odd mechanics without chirality. Our minimal model shows that orientational order can generate an odd modulus—inferable from experiments—and reproduces flows & stress localization around 1/2 defects. @sreejithsanthosh.bsky.social www.biorxiv.org/content/10.6... 0236
Reposted by Julia Eckertepithelial mechanics fan club @epimechfc.bsky.social · 05/08/2026Andersen, B. H., Safara, F. M. R., Grudtsyna, V., Meacock, O. J., Andersen, S. G., Durham, W. M., Araujo, N. A. M., & Doostmohammadi, A. (2025). Evidence of universal conformal invariance in living biological matter. Nature Physics, 21(4), 618–623. www.nature.com/articles/s41... #EpithelialMechanics 0104
Reposted by Julia EckertTurlier lab @turlierlab.bsky.social · 24/07/2026Very happy to have this work finally published! How do embryos sculpt their shape? We map the contractile & adhesive forces shaping early C. elegans embryos. With K. Yamamoto @ittoku04.bsky.social G. Charras' lab @gcharras.bsky.social & my team @turlierlab.bsky.social shorturl.at/xv7G5 1/6 14315
Reposted by Julia EckertInés Fournon Berodia @inesfournon.bsky.social · 04/08/2026Very pleased to finally share the main story from my PhD, now published in @natcomms.nature.com ! 🎉 Using a sea anemone we discovered and characterised epithelial cell extrusion as the mechanism underlying starvation-induced cell loss. 🔗 Open-access article: www.nature.com/articles/s41...nature.comEpithelial cell extrusion underlies starvation-induced cell loss in a sea anemone - Nature CommunicationsEpithelial cell extrusion in a sea anemone shares key hallmarks with bilaterians and is dynamically regulated by nutritional status. During starvation-induced body shrinkage, extrusion likely contribu... 29931
Reposted by Julia EckertRita Mateus @ritamateus.bsky.social · 03/08/2026New preprint alert!!! Super proud to finally share an authentic 'tour-de-force' from the amazing PhD students Shivani Gunnan @shivanigunnan.bsky.social, Max Kotz and Lucas Ribas, in collaboration with @friedrich-group.bsky.social 👇a small thread www.biorxiv.org/content/10.6...biorxiv.orgDevelopmental growth rates adapt to enable self-correction of organ morphology after injury.Proportional organ growth requires tissue-level control of cell behavior. Yet the cues that adapt growth rates, especially after organ injury, remain unclear. Here, we uncover that developing organs a... 27321
Reposted by Julia EckertMarina B. Cuenca @cuencam15.bsky.social · 31/07/2026Sad to be saying goodbye to Drosophila, but excited to get this work out on bioRxiv! If you are interested in the interplay of tissue flows and cool ways to mess them up, this read is for you :) Thanks to colleagues and co-authors! www.biorxiv.org/content/10.6... 13012
Reposted by Julia Eckertepithelial mechanics fan club @epimechfc.bsky.social · 31/07/2026Braat, Q. J. S., Storm, C., & Janssen, L. M. C. (2024). Formation of motile cell clusters in heterogeneous model tumors: The role of cell-cell alignment. Physical Review E, 110(6), 064401. journals.aps.org/pre/abstract... #EpithelialMechanics 093
Reposted by Julia EckertYanlan Mao @yanlanmao.bsky.social · 30/07/2026This epic paper, which has been a heroic 10 year journey for the lead author, Ricardo Barrientos, is finally out in Cell today! Many thanks to all co-authors, especially Billie Meadowcroft and Andela Saric for their beautiful MD simulations www.cell.com/cell/fulltex...cell.comBasement membrane turnover controls cell shapeBasement membranes are scaffolds of proteins, like collagen, that give organs shape. During development, basement membranes must adapt to the growing organ. We infer how fast the basement membrane ada... 112654
Reposted by Julia Eckertepithelial mechanics fan club @epimechfc.bsky.social · 28/07/2026Maroudas-Sacks, Y., Suganthan, S., Garion, L., Ascoli-Abbina, Y., Westfried, A., Dori, N., Pasvinter, I., Popović, M., & Keren, K. (2025). Mechanical strain focusing at topological defect sites in regenerating Hydra. Development, 152(4), DEV204514. doi.org/10.1242/dev.... #EpithelialMechanics 074