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Posts by Paul & Virginie - Centriole Lab

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Day 1 of the EMBO U-ExM Workshop at EMBL Heidelberg #EMBOExM
Great to see this workshop finally kicking off, engaged discussions, talks, and our first gelation and expansion already underway.
Many thanks to our sponsors for their support!
Looking forward to the next days !!

8 hours ago 10 2 0 0

Ahh, this brings back great memories 🙂 Trichonympha is such a fascinating organism, its centrioles are truly stunning. Beautiful work, looking forward to reading the manuscript!

1 week ago 13 1 0 0
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We are looking for outstanding scientists to develop ambitious research programs in molecular and cellular biology, with special interest in multidisciplinary projects and computational biology.More info: www.i2bc.paris-saclay.fr #MolecularBiology
#CellBiology #ComputationalBiology #TeamLeaders#I2BC

1 month ago 20 34 0 4
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Microtubules in the axon are GDP bound but adopt a stable GTP-like expanded state Nature Structural & Molecular Biology, Published online: 08 April 2026; doi:10.1038/s41594-026-01787-7Zehr et al. revealed the 2.7-Å cryo-electron microscopy reconstruction of human microtubules in situ in the axon of induced pluripotent stem cell (iPS cell)-derived neurons. It shows an expanded microtubule lattice yet bound to GDP, in contrast to the compacted lattice observed at the iPS cell stage.

New online: Microtubules in the axon are GDP bound but adopt a stable GTP-like expanded state

1 week ago 26 11 0 0

@cellarchlab.com The soundtrack was missing 😂

1 week ago 17 1 1 0
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While XL/MS provided several candidates for microtubule binding proteins, the subciliary localization was further verified by @marinebrunet.bsky.social w U-ExM. This combo identified several new microtubule binding proteins including DNAJB6, which is abundant in the transition zone and axoneme

1 week ago 11 1 1 0

It’s done!! Molecular architecture of the ciliary base in mammalian multiciliated cells! A study 13 years in the making 👴, thanks to collab with @stearnslab.bsky.social + @centriolelab.bsky.social & visionary work by @computingcaitie.bsky.social, who integrated native #cryoET with #XLMS & #UExM 🧪🧶🧬🔬

1 week ago 77 19 0 1
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I am excited to share our most recent work collaborating with @centriolelab.bsky.social and @stearnslab.bsky.social to look at the ciliary base of mammalian multiciliated cells w/ cryo-ET, XL/MS, and U-ExM www.biorxiv.org/content/10.6...

1 week ago 125 62 3 7
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BSCB GenSoc UK Cilia and Centrosome Network e-Symposia Series BSCB GenSoc UK Cilia and Centrosome Network e-Symposia Series

Just over two weeks until our 55th @bscb-official.bsky.social @gensocuk.bsky.social @ukcilianetwork.bsky.social e-symposium Tuesday April 21st 2026 15:00-17:45 BST! Join us for 6 talks from the latest rising talent!! Free & open to all.

Register: www.eventbrite.co.uk/e/bscb-genso...

1/2

2 weeks ago 15 7 1 1
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Since last year, I've been making a RELION GUI that supports viewing, navigating and running jobs in a way completely compatible with the original RELION pipeline. Now it's working nicely for both SPA and tomography! Please try it out - github.com/hanjinliu/hi...

1 month ago 97 35 4 0
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Striking microtubule-actin compartmentalization. A cell so big must organize things I guess!

2 weeks ago 41 4 0 0

🤩

3 weeks ago 5 1 0 0
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#Cilia are beautiful!

That's it, that's the tweet.

Oh, and Happy #FluorescenceFriday 🔬

3 weeks ago 105 18 0 3
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Excited to share our work on the structure and function of cytoplasmic lattices within mouse embryos. A collaborative effort with @niakanlab.bsky.social and work led by @kashishsingh.bsky.social and @inaharasimov.bsky.social . It is now out on BioRxiv: www.biorxiv.org/content/10.6...

4 weeks ago 190 77 6 9
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A Practical Guide to Ultrastructural Expansion Microscopy (U-ExM) in Trypanosoma brucei pubmed.ncbi.nlm.nih.gov/41627760/

2 months ago 5 4 0 0
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An amazing example of actin imaging with our expansion microscopy probe for actin HAK-actin™.

These are U-ExM expanded platelets stained with HAK-Actin (magenta bottom), (anti-integrin αIIb magenta top), and fibrin (fibrinogen-A488, green).

Movie from preprint www.biorxiv.org/content/10.6...
🧪

1 month ago 22 6 2 0
Credit: Mylan Ansel

Credit: Mylan Ansel

Expansion microscopy of a loricate choanoflagellate, generated by Mylan Ansel in our lab 🤩

(yes, the lorica expands. No, we don't understand how either)

1 month ago 163 23 9 3
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Arp2/3-dependent actin assembly shapes endosomes and promotes intracellular trafficking in fission yeast Endosomes serve as crucial sorting centers that streamline the distribution of cell surface proteins. The early endosome receives traffic from both th…

Arp2/3-dependent actin assembly shapes endosomes and promotes intracellular trafficking in fission yeast

The work from Alejandro Melero @ameleroc.bsky.social and Miguel Basante-Bedoya just out in Current Biology.

www.sciencedirect.com/science/arti...

@biology-unige.bsky.social

1 month ago 44 23 1 1

Our paper on disease mechanisms in synucleinopathies, led by Tetiana Serdiuk, is out at Molecular Systems Biology.

#proteomics #structuralproteomics #neurodegeneration #Parkinsons #alphasynuclein #structuralbiology #ethz
@imsb-eth.bsky.social @molsystbiol.org

1 month ago 13 11 1 0
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Happy #FluorescenceFriday all!

Checkout these beautiful basal bodies in airway #multiciliated cells expanded via U-ExM 😍

Images captured by the super talented @maneesha07.bsky.social on a #Nikon NSPARC 🔬.

1 month ago 84 16 1 0
Contact/Job - Department of Molecular and Cellular Biology - UNIGE

You are finishing your PhD and looking to continue in science?

The Martin lab @biology-unige.bsky.social has an open postdoctoral position in cell biology to study cell-cell fusion. For more information, please consult mocel.unige.ch/research-gro....

Thanks for reposting!

1 month ago 64 76 1 2
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🧬 The Department of Biology at @univ-amu.fr will soon recruit a lecturer in Molecular Genetics & Genomics (Eukaryotes).

🧪 Apply with an eligible team: Bertrand; Delacour; Kodjabachian; Libé-Philippot; Mann; Schaeffer; Thomas.

Details: lnkd.in/eFS8qQpU

2 months ago 15 11 0 1
Postdoctoral Researcher (ERC-funded project)

Our Lab is searching a postdoc for an exciting ERC-funded project that will start this summer. Apply if you’re passionate about multi-omics, cutting-edge computational approaches, and exploring biological questions across the animal 🪼 🪱 🐞 🦎 🦋 🕷️ tree of life www.biozentrum.unibas.ch/open-positio...

1 month ago 17 22 0 0

The best stories are the personal ones. So before we get to the new preprint, stay awhile and listen

#MobileLabs #TREC

1 month ago 27 10 1 2
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But beyond the #Science ! This was undoubtedly the best #Human #experiment for me ! Putting enthusiastic scientists all together to find ways to better explore #Biodiversity in context ! & we have now hundreds of samples to look forward to !

way too many people to tag though in a post 😅

1 month ago 11 2 1 0

Cheers 😁

1 month ago 16 2 1 0
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Excited to share our new preprint exploring how Paramecium achieves diverse flow functions, i.e. feeding and swimming, simultaneously. This work was spearheaded by our ExM expert, PhD student Daphne Laan @daphnelaan.bsky.social :
www.biorxiv.org/content/10.6...

1 month ago 67 34 2 2
Assistant Professor - Zebrafish Models of Genetic and Metabolic Pathologies Assistant Professor - Zebrafish Models of Genetic and Metabolic Pathologies

For those on the job market, University of Toronto 🇨🇦 is hiring a tenure-track Assistant Professor in Zebrafish Models of Genetic and Metabolic Pathologies 🐟 Yes, they want #zebrafish!

🔗 jobs.utoronto.ca/job/Toronto-...

1 month ago 27 22 0 0
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3D printing is way too much fun 😄

Just made myself a Titan Krios G5 pen holder 🧊🔬

Now the only thing missing… is McGill getting the real one! 😉

2 months ago 16 1 2 0
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GitHub - dchretien35/TubuleJ: TubuleJ is a plugin to ImageJ designed to analyze cryo-electron microscope images of fibers. The straightening part of TubuleJ can be used with various types of fibers, w... TubuleJ is a plugin to ImageJ designed to analyze cryo-electron microscope images of fibers. The straightening part of TubuleJ can be used with various types of fibers, while the FFT analysis and 3...

A new version of TubuleJ is available at github.com/dchretien35/...
It allows straightening of various kinds of fibers, and facilitates analysis of cryo-EM images of microtubules.
#CryoEM #microtubules

2 months ago 10 4 0 0
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