Marion Baraban

@marionbaraban.bsky.social

Developmental and cell biologist: interested in cellular interactions in zebrafish. High resolution in vivo, dynamic & functional imaging. Skin cell & neuron.

BREAKING NEWS The 2026 Nobel Prize in Physiology or Medicine has been awarded to Karl Deisseroth, Peter Hegemann and Georg Nagel “for their discoveries concerning light-gated ion channels and optogenetics.”

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Only one week left to apply ! Check below for more details but the course will be great. Please spread the word 🙏

Levayer Lab@levayerr.bsky.social · 2mo ago

📢master or PhD student interested in cell biology ? There are spots left for the Molecular Biology of the Cell course @pasteur.fr. Check the amazing list of lecturers + 1 week practical pocking choano cytokeleton with @thibautbrunet.bsky.social team. Registration 👇 www.pasteur.fr/fr/nous-conn...

A 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).

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🧵 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... 1/11

Elevated contractility drives implantation failure in mouse embryos from aged females - Nature Cell Biology

Cavanaugh 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...

nature.com

New 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...

Live-imaging of endogenous neurofascins reveals glial adhesion shapes developing nodes of Ranvier

The 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...

biorxiv.org

That'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

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Bardin Lab@bardinlab.bsky.social · 5mo ago

Fantastic outreach by @maitrejl.bsky.social et al, who have brought Biology Quest (En Quête de Bio) of the @sfbd.bsky.social to Japan! Want to bring model organisms into your primary schools? See www.eqd-bio.org or contact me or @drosopachea.bsky.social . French, English and other languages!

🎉 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! 🔬🧬

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Check 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. 🧪 #drosophila

Cell divisions both challenge and refine tissue boundaries in the Drosophila embryo

Highlighted Article: A combination of mathematical modelling, in vivo quantitative microscopy, and pharmacological and biophysical manipulations reveals that cell divisions not only challenge, but als...

journals.biologists.com