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Peter Lenart

@plenart.bsky.social
590 followers 241 following 14 posts

Group leader at the Max Planck Institute of Multidisciplinary Sciences, Göttingen, Germany. #oocytes #cytoskeleton 🪼, ⭐️🐟, 🔬

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Reposted by Peter Lenart
Institut de la Mer de Villefranche/Mer (IMEV) @imev-mer.fr · 17/09/2026
🎊 21è anniversaire des premières colonies permanentes de Clytia hemisphaerica 🪼en laboratoire ! Les premières cultures X, Y & Z de cette hydroméduse commencèrent en 2002 @biodev-vlfr.bsky.social Après 3 ans de croisements, les lignées Z "pionnières" voient le jour ! @sorbonne-universite.fr @cnrs.fr
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CompBioPhys @compbiophys.bsky.social · 16/07/2026
We are hiring an #IT expert! Interested to join our department @mpi-nat.bsky.social in #Göttingen 🇩🇪 as Hardware Operations Technician (IT-Systemtechniker*in)? Please apply! 📩 #joboffer #job #openposition 🔗 www.mpinat.mpg.de/5292977/23-26 📅 Don't miss the application deadline: August 23, 2026
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CNRS Biologie @cnrsbiologie.bsky.social · 10/07/2026
#ResultatScientifique🔎| Une étude révèle comment les forces mécaniques façonnent l’embryon précoce de C. elegans grâce à une nouvelle cartographie spatio-temporelle des tensions cellulaire ▶️ buff.ly/olJR46F 📕 @cp-devcell.bsky.social 🤝 @CNRS.fr
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Cartographier les forces qui sculptent l’embryon
Comment quelqu
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Peter Lenart @plenart.bsky.social · 28/06/2026
It is meiotic recombination!
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Periklis Paganos @perievodevo.bsky.social · 25/06/2026
The paper from my postdoc days @mblscience.bsky.social and @zakswartz.bsky.social Lab is available in @natcomms.nature.com. www.nature.com/articles/s41... With Beverly Naigles, @carsten-wolff.bsky.social and @danivoronov.bsky.social
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Tessa Montague @tessamontague.bsky.social · 06/06/2026
Do you know an outstanding aquarist? We're hiring a Senior Aquarist to help run our cephalopod facility at Columbia University. Our team maintains a colony of 250+ cuttlefish, develops new husbandry techniques (inc transgenics) & studies cuttlefish camouflage and social behavior. 1/3 [Pls repost!]
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Marine Biological Laboratory @mblscience.bsky.social · 03/06/2026
National Egg Day celebrates the humble breakfast egg. But at the Marine Biological Laboratory, we’re taking a different spin and highlighting the eggs that help scientists better understand life itself.
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MPI for Multidisciplinary Sciences @mpi-nat.bsky.social · 20/04/2026
Do you have all the answers? 😎 Apply as Data Scientist / Bioinformatician at our institute: 👇 www.mpinat.mpg.de/5238879/14-26
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Iva Tolić @ivatolic.bsky.social · 15/04/2026
Monica Gobran showed that when CDK1 is partially inhibited, nuclear pores begin to disassemble, but the overall structure of the nuclear envelope remains intact, similar to closed mitosis. The spindle forms outside the nucleus. #SpindleCroatia2026
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Journal of Cell Biology @jcb.org · 20/02/2026
In Memoriam: R. Bruce Nicklas (1932-2025). Leocadia Paliulis commemorates the life of Dr. Nicklas who was a mentor, a polymath with a great sense of humor, and a link to the beginnings of chromosome research. rupress.org/jcb/article/... #CellDivision #Chromosomes
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The EMBO Journal @embojournal.org · 28/01/2026
See also the great News&Views comment by Monica Gobran and @plenart.bsky.social - highlighting all three papers! link.springer.com/article/10.1...
link.springer.com
Mitotic entry: Bora takes Polo to Aurora, and gives them a hug - The EMBO Journal
The EMBO Journal - Cell division involves the complete reorganization of the cellular architecture, requiring precise coordination of cellular processes in space and time, but how does this control...
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Steven Salzberg @stevensalzberg.bsky.social · 16/01/2026
very sad news. Peer Bork was one of the leaders of our field, a wonderful scientist, and he's much too young to be gone. www.embl.org/news/embl-an...
embl.org
In remembrance of Peer Bork  | EMBL
EMBL and its community are deeply saddened by the death of Peer Bork, the organisation’s Interim Director General.
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Peter Lenart @plenart.bsky.social · 18/12/2025
Yes, great work, I am so glad this is finally published! I hope it will be useful to many in the community.
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EMBL @embl.org · 27/11/2025
Anthony A. Hyman will become EMBL’s next Director General. He joins EMBL from @mpi-cbg.de in Dresden. He is also Professor of Molecular Biology @tudresden.bsky.social, and was a group leader at EMBL Heidelberg from 1993 to 1999. www.embl.org/news/people-...
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Jana Helsen @helsenjana.bsky.social · 26/11/2025
How do new centromeres evolve while staying compatible with the division machinery? Discover it in our new Nature paper! We show centromeres transition gradually via a mix of drift, selection, and sex, reaching new states that still work with the kinetochore. 👉 doi.org/10.1038/s41586-025-09779-1
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Peter Lenart @plenart.bsky.social · 18/11/2025
Apply to join us! 🪼🪳🪱🐌
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Monica Bettencourt-Dias @monicabettencourt.bsky.social · 30/10/2025
📣 We are moving to Barcelona to join the amazing @crg.eu and explore how centrosomes & cilia work, evolve & respond to the environment. We are looking for PhD students www.crg.eu/en/content/t... Postdocs gimm.pt/jobs/postdoc... Other calls to open, also for an experienced lab manager. Get in touch!
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Journal of Cell Biology @jcb.org · 29/10/2025
Phosphoproteomic identification of Mos-MAPK targets in meiotic cell cycle and asymmetric #oocyte divisions. New study from Ivan Avilov, Peter Lenart (@plenart.bsky.social) and colleagues @maxplanck.de: rupress.org/jcb/article/... #Cytoskeleton #CellCycle #CellDivision #Physiology #Meiosis
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Marine Biological Laboratory @mblscience.bsky.social · 28/10/2025
We are hiring an Imaging Scientis. Apply here: go.mbl.edu/AS1887
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Journal of Cell Biology @jcb.org · 22/10/2025
Avilov, @plenart.bsky.social et al. @maxplanck.de used quantitative phosphoproteomics in #starfish #oocytes to identify downstream targets of the conserved Mos–MAPK pathway. rupress.org/jcb/article/... #Cytoskeleton #CellCycle #CellDivision #Physiology
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Huisken lab @huiskenlab.bsky.social · 15/10/2025
Our image of a sea squirt oozoid (Thalia democratica) was selected as an Image of Distinction in Nikon Small World. Imaged with the Flamingo microscope by @metteh-thorsager.bsky.social at @biodev-vlfr.bsky.social in Villefranche-sur-Mer. Salp sample courtesy of Alexandre Alie. nikonsmallworld.com/
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Wout Oosterheert @woutoosterheert.bsky.social · 13/10/2025
Very excited that my final postdoctoral work is now online in Cell @cellpress.bsky.social. www.sciencedirect.com/science/arti... Using 16 (!) cryo-EM structures, we uncovered how the three proteins coronin, cofilin and AIP1 work together to rapidly disassemble actin filaments.
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Kate Cavanaugh @katecavanaugh.bsky.social · 01/10/2025
See this? This = implanting mouse embryo. Usually this happens inside its mother and is invisible to us, but we can actually watch implantation ex vivo with the hope of understanding why implantation goes awry in embryos of older women. A 🧵...
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Yamini Vadapalli @yaminivadapalli.bsky.social · 29/08/2025
So grateful for an amazing experience at BioMatter: From Cytoskeleton to Embryo, Arolla 2025. I loved sharing my work during my talk, was honored to receive the Best Poster Award, and had so many inspiring conversations with brilliant scientists. An unforgettable week in a truly beautiful place!
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mhverlhac.bsky.social @mhverlhac.bsky.social · 28/08/2025
Three-Year Funded Postdoctoral Position to study organelle architecture in mammalian oocytes – Terret-Verlhac Lab, CIRB, Collège de France (Starting 2026). For more information, please contact: marie-helene.verlhac@college-de-france.fr
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Simone Reber @simonereber.bsky.social · 15/08/2025
FINALLY! 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 💚
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Conserved nucleocytoplasmic density homeostasis drives cellular organization across eukaryotes
Nature 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...
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Marine Biological Laboratory @mblscience.bsky.social · 28/07/2025
We're thrilled to announce the largest private gift in our 137-year history: a $25 million unrestricted donation from MBL Whitman Scientist Mark Terasaki. His extraordinary generosity will bolster our renowned research and education programs. 🔬 Learn more: bit.ly/452WL1m
bit.ly
MBL Announces Largest Ever Gift for Its Renowned Biological Education and Research Programs | Marine Biological Laboratory
Cell Biology Researcher Mark Terasaki’s $25 Million Unrestricted Gift Will Support Operations and Infrastructure Contact: Samantha Cummis scummis@mbl.edu; 973.800.4119
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eLife @elife.bsky.social · 13/07/2025
🪼 How did the animal body plan evolve? This ‘fundamental’ study in Clytia sheds light on how Wnt3 coordinates both gene expression and planar cell polarity during axis formation, offering key insights into the origins of morphogenesis. buff.ly/e1Un958 #DevBio
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Centre de Regulació Genòmica (CRG) @crg.eu · 01/07/2025
Exciting news: our Board of Trustees has appointed @monicabettencourt.bsky.social as the CRG's new Director. Prof Bettencourt-Dias is expected to take up the post in 2026, replacing Dr. Luis Serrano, who will continue to maintain a research group at the institute. www.crg.eu/en/news/moni...
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Yamini Vadapalli @yaminivadapalli.bsky.social · 24/06/2025
Update on group picture. “Clustered like chromosomes in metaphase - no cytoskeleton required, just a camera” @plenart.bsky.social @mpi-nat.bsky.social
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MPI for Multidisciplinary Sciences @mpi-nat.bsky.social · 21/06/2025
From starfish to jellyfish to mammalian egg cells – watch the video (in German) to find out what awaits you at our “In the beginning was the egg” booth by @schuhlab.bsky.social & @plenart.bsky.social ‬at the Night of Science @ndw-goe.bsky.social. #ndwgoe 📍1st floor @mpsgoettingen.bsky.social
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Yamini Vadapalli @yaminivadapalli.bsky.social · 18/06/2025
Honoured to present my work at the Fertility Conference in my dream city, Paris. Huge thanks to @mhverlhac.bsky.social and @bokelab.bsky.social for organising such an inspiring event! Grateful to all the amazing contributors for their thought-provoking talks and discussions.
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Turlier lab @turlierlab.bsky.social · 16/05/2025
Very excited to share a new preprint by @ericneiva.bsky.social who developed a first-of-its-kind finite element method for simulating 3D cellular dynamics with coupled surface–bulk flows and signaling. A technical tour de force with broad applications in mechanobiology & beyond tinyurl.com/bdfhfke3
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Simone Reber @simonereber.bsky.social · 13/06/2025
✨Thanks to amazing students @tobiaskletter.bsky.social, postdocs @biswashere.bsky.social & collaborators @vasilyzaburdaev.bsky.social‬ & ALMF @embl.org ✨ 👉Cytoplasmic material properties control spindle architecture and scaling 👉 out today @natcellbio.nature.com rdcu.be/eqPr8
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Cell state-specific cytoplasmic density controls spindle architecture and scaling
Nature Cell Biology - Kletter et al. show that cell state-specific cytoplasmic density controls spindle architecture and scaling in neural differentiation, suggesting that the physical properties...
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Blake Hernandez @loxstoplox.bsky.social · 23/05/2025
I’m excited to announce that my paper describing non-canonical mitotic mechanisms in the early mouse embryo is out in @science.org ! (link at end of 🧵)
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Simone Reber @simonereber.bsky.social · 19/05/2025
✨We are looking for a PhD student interested in physical cell bio, imaging 🔬, biochemistry, #Xenopus 🐸 & #microtubules ✨ Join us @mpiib-berlin.mpg.de!
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MPI Dortmund @mpi-dortmund.bsky.social · 19/05/2025
With great sadness and deep regret, we have to inform you that our department director and highly esteemed colleague Philippe Bastiaens @maxplanck.de passed away suddenly and unexpectedly on 15th of May.
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Marieke Oudelaar @mariekeoudelaar.bsky.social · 13/05/2025
Very happy to share the peer-reviewed version of our paper in which we study the formation and function of pair-wise and multi-way enhancer-promoter interactions in gene regulation (see thread below): www.nature.com/articles/s41...
nature.com
CTCF depletion decouples enhancer-mediated gene activation from chromatin hub formation - Nature Structural & Molecular Biology
Karpinska, Zhu and colleagues characterize the structure-function relationship of the genome during cellular differentiation and demonstrate a role for enhancer-promoter interactions in gene regulatio...
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Nico Posnien @posnienlab.bsky.social · 06/05/2025
June will be kicked off by Silvia Caballero from @imev-mer.fr on Thursday, June 5 at 2.15 pm (CET) (hosted by @plenart.bsky.social).
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Cnidarian developmental mechanisms group @clytia-vlfr.bsky.social · 05/05/2025
Intriguing findings from our Sendai collaborators Ruka Kitsui and Ryusaku Deguchi. While C. hemispherica spawns at dawn, Clytia IZ-D species spawns at dusk. This is not triggered by dark but, unexpectedly, by light-mediated extension of an autonomously-running 20h cycle. doi.org/10.1101/2025...
Cartoon of autonomous and light-modulated spwning cycles in Clytia IZ-D
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MPI for Multidisciplinary Sciences @mpi-nat.bsky.social · 30/04/2025
Du bist Tierpflegemeister*in der Fachrichtung Forschung und Klinik und bereit für den nächsten Karriereschritt? Dann bewirb dich bis zum 25. Mai am MPI-NAT! Was du mitbringen solltest, was deine Aufgaben sind und wie du dich bewirbst, erfährst du hier: ⬇️ www.mpinat.mpg.de/15-25?c=2501...
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Buzz Baum @buzzbaum.bsky.social · 11/04/2025
With a heavy heart I have decided not to attend a meeting in the US this June. I can’t act as if things are normal when science, universities, dissent & truth are all under threat. And I feel I can’t attend when there are scientists who are not able to travel to the US without fear of arrest.
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Christophe 🔬 Leterrier @christlet.bsky.social · 11/04/2025
It's a sun star, Heliaster helianthus apparently
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Peter Lenart @plenart.bsky.social · 11/04/2025
Starfish!
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Laboratory of Genomic Stability @lgs-imb.bsky.social · 07/04/2025
We’re excited to share our work where we investigated the mechanisms of chromosome motion by tracking all #chromosomes, mapping their interactions, and live cell karyotyping, using #AI based denoising, segmentation and registration, published in Nature Cell Biology. www.nature.com/articles/s41...
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Betzlab @betzlab.bsky.social · 22/02/2025
Getting tissue stress from images is tough, and elastic tension sensors are a way to solve this. Still, the analysis is complex. Try our GUI gitlab.gwdg.de/betzlab_publ... implementing analytical solutions to obtain surface stresses AND shape parameters of beads and nuclei.
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Betzlab @betzlab.bsky.social · 01/02/2025
You are a biologist and want to get an idea why looking at intracellular active mechanics is important for cellular function? Check out our recent review preprint: arxiv.org/abs/2501.14538. We try to give an intuitive access, but also provide details in extensive toolboxes.
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bioRxiv Cell Biology @biorxiv-cellbio.bsky.social · 06/04/2025
Attenuation of mosaic aneuploidy and erroneous first mitotic division of human embryos www.biorxiv.org/content/10.1101/202…
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Peter Lenart @plenart.bsky.social · 01/04/2025
Once in a while #itisthecover !
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The EMBO Journal @embojournal.org · 01/04/2025
Highlighted in Issue 7: Lysosome-CDK4/6 co-targeting in cancer therapy Algal spliceosome structure Also: Opposite synaptic plasticity effects of Ras isoforms Novel biosensor for spatiotemporal dynamics of STING activation Cover: @plenart.bsky.social and coworkers www.embopress.org/toc/14602075...
This cover highlights the article PLK1 inhibition delays mitotic entry revealing changes to the phosphoproteome of mammalian cells early in division by M. Gobran, P. Lenart and colleagues. HeLa Kyoto cells treated with the PLK1 inhibitor BI2536 spend prolonged periods of time in a prophase-like state with condensed chromosomes. Cells stained with 5-SiR-Hoechst imaged on a spinning disk confocal microscope.

Scientific image by Monica Gobran
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