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Jan Huertas

@janhuemar.bsky.social
156 followers 228 following 22 posts

Postdoc at the Collepardo Lab. Understanding chromatin using simulations. I never read the abstract because I don't like spoilers.

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Reposted by Jan Huertas
IRB Barcelona @irbbarcelona.org · 18/09/2026
📌 Don't miss our Research Nodes #seminar next week, with Dr. @janhuemar.bsky.social, from the University of Cambridge @geneticscam.bsky.social. 🤝 Hosted by Dr. Modesto Orozco (#IRBBarcelona) Register here ➡️ shorturl.at/NyIVO
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Jan Huertas @janhuemar.bsky.social · 18/06/2026
Make sure to check our latest collaboration with @kaitezhang.bsky.social and @vram142.bsky.social. An effort to move towards simulating non-ideal, "in vivo" chromatin, and learning lots about chromatin organisation while doing it! @juliamaristany.bsky.social @rcollepardo.bsky.social
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Masa A. Shimazoe @masaashimazoe.bsky.social · 09/04/2026
My first, first author paper is now on #ScienceAdvances ! Linker histone H1 is a liquid-like "glue" condensing chromatin, which revises textbooks! 📖✨ science.org/doi/10.1126/sc… Huge thanks to @kazu-maeshima.bsky.social , for supervision. Amazing collab with @rcollepardo.bsky.social ’s group! 1/
science.org
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Jan Huertas @janhuemar.bsky.social · 09/04/2026
Our work on the linker histone is now out in Science Advances! We show that H1 behaves as a liquid-like glue that helps organize chromatin in living cells. Very happy to have worked together with @kazu-maeshima.bsky.social and @masaashimazoe.bsky.social
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Reposted by Jan Huertas
Julia Maristany @juliamaristany.bsky.social · 18/02/2026
New paper alert from the group!! 🚨: DNA flexibility tips the balance between stability and plasticity in nucleosomes One of the works from my PhD, co-led alongside @nachper.bsky.social, is finally out! Work from @rcollepardo.bsky.social & @janhuemar.bsky.social ⬇️ www.biorxiv.org/content/10.6... ⬆️
biorxiv.org
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Ignacio Perez @nachper.bsky.social · 18/02/2026
How do DNA sequence and histone chemistry tune nucleosome stability and plasticity? Check out our latest work to find out. Now available on bioRxiv! www.biorxiv.org/content/10.6... @juliamaristany.bsky.social @janhuemar.bsky.social @rcollepardo.bsky.social Share with your colleagues!! ⬇️⬇️⬇️
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Reposted by Jan Huertas
bioRxiv Biophysics @biorxiv-biophys.bsky.social · 18/02/2026
A Goldilocks zone of DNA flexibility defines stable yet plastic nucleosomes, tuned by histone chemistry www.biorxiv.org/content/10.64898/20…
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Jan Huertas @janhuemar.bsky.social · 18/02/2026
New preprint alert! Very proud of this work, lots of hard work that turned into a really cool story! This was my first chance to step into a senior role, but most importantly, it means far more to me than just the science. You should always say yes to new projects. www.biorxiv.org/content/10.6...
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St Catharine's College @stcatharines.bsky.social · 11/12/2025
Congratulations to @janhuemar.bsky.social (JRF at Catz since 2023) who is part of an international team of scientists responsible for a long-awaited visualisation of liquid droplets forming inside a cell known as condensates, key for processes such as DNA repair: caths.cam.ac.uk/cond... @cam.ac.uk
caths.cam.ac.uk
Visualising the creation of biomolecular condensates
A Junior Research Fellow at St Catharine's is part of an international team of scientists responsible for a long-awaited visualisation of liquid droplets forming inside a cell nucleus known as condensates, which help regulate essential processes such as gene expression, DNA repair and stress responses.
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Jan Huertas @janhuemar.bsky.social · 04/12/2025
Super excited to share that our paper is now out in @science.org. Lots of work, but also lots of fun getting this out. Be sure to check it out! www.science.org/doi/10.1126/... Also, follow: @huabin-zhou.bsky.social @juliamaristany.bsky.social @kieran-russell.bsky.social @rcollepardo.bsky.social
science.org
Multiscale structure of chromatin condensates explains phase separation and material properties
The structure and interaction networks of molecules within biomolecular condensates are poorly understood. Using cryo–electron tomography and molecular dynamics simulations, we elucidated the structur...
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Rosana Collepardo @rcollepardo.bsky.social · 18/11/2025
Very excited to present OpenCGChromatin🔥🔥🔥 A new coarse-grained model that probes full chromatin condensates at near-atomistic resolution to reveal the molecular regulation of chromatin structure and phase separation Brilliantly led by @kieran-russell.bsky.social, with the Rosen and Orozco groups
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Jan Huertas @janhuemar.bsky.social · 06/11/2025
So exciting to see this amazing paper out! Many thanks to @jojdavies.bsky.social for inviting us to contribute with our models to this fascinating story! @rcollepardo.bsky.social @juliamaristany.bsky.social
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Jan Huertas @janhuemar.bsky.social · 21/10/2025
🚨 🚨 🚨 New preprint alert!!! 🚨 🚨 🚨 In the past, we have learnt that Oct4 can induce nucleosome breathing on the mono-nucleosome level. But what happens when you have a fibre of multiple nucleosomes? www.biorxiv.org/content/10.1... @rcollepardo.bsky.social @juliamaristany.bsky.social
A rendering of multiple Oct4 molecules bound to a chromatin fibre
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Gerlich Lab @gerlichlab.bsky.social · 03/09/2025
1/ New preprint alert! In collaboration between the Rosen, Redding, Collepardo-Guevara & Gerlich labs, we uncover a surprising principle of chromosome organisation: electrostatic repulsion positions centromeres at the chromosome surface during mitosis. 🔗 doi.org/10.1101/2025...
doi.org
An electrostatic repulsion model of centromere organisation
During cell division, chromosomes reorganise into compact bodies in which centromeres localise precisely at the chromatin surface to enable kinetochore-microtubule interactions essential for genome se...
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Julia Maristany @juliamaristany.bsky.social · 10/07/2025
🚨 New paper out in Nature Comms! From the Rosen, Redding and Collepardo Labs, we uncover how #nucleosome spacing fine-tunes the architecture of #chromatin condensates. 👇 A short thread on how physical #genome organization emerges from molecular interactions: www.nature.com/articles/s41...
nature.com
Nucleosome spacing can fine-tune higher-order chromatin assembly - Nature Communications
Internucleosomal linker length alters the stability and dynamics of chromatin condensates by shifting the balance between inter- and intramolecular interactions. Further, by changing the linker length...
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Janet Kumita @jrkumita.bsky.social · 06/05/2025
So excited to finally see our CTPR-condensate work published! Well done Chris, Mateo, Julia et al. ❤️ @chemicalscience.rsc.org @phar.cam.ac.uk @rcollepardo.bsky.social @juliamaristany.bsky.social doi.org/10.1039/D5SC...
doi.org
Tandem-repeat proteins introduce tuneable properties to engineered biomolecular condensates
The cell’s ability to rapidly partition biomolecules into biomolecular condensates is linked to a diverse range of cellular functions. Understanding how the structural attributes of biomolecular conde...
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FragileNucleosome @fnucleosome.bsky.social · 23/03/2025
🌱Join us for the first #FragileNucleosome seminar of this spring! We are excited to host @juliamaristany.bsky.social & @chribue.bsky.social this week! If you have registered before you can join from the same link, if not, don't forget to register! us06web.zoom.us/webinar/regi...
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Jan Huertas @janhuemar.bsky.social · 07/03/2025
Excited to share our newest collaboration with @kazu-maeshima.bsky.social and @masaashimazoe.bsky.social, where we show that H1 acts as a liquid-like glue in chromatin. Go check the paper on the biorXiv!
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Miguel Montez @miguelmontez.bsky.social · 21/02/2025
We are happy to share our work on local #nucleosome dynamics integrating #temperature inputs into an #epigenetic switching mechanism. ⚠️ Preprint alert!! www.biorxiv.org/content/10.1...
biorxiv.org
Cold-induced nucleosome dynamics linked to silencing of Arabidopsis FLC
Temperature influences nucleosome dynamics, and thus chromatin, to regulate gene expression. Such mechanisms underlie the epigenetic silencing of Arabidopsis FLOWERING LOCUS C (FLC) by prolonged cold....
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Jerelle Joseph @jerelleaj.bsky.social · 15/02/2025
Proud to have the final version of our paper on mutations + condensates + scaling laws published in @elife.bsky.social! Work led by @juliamaristany.bsky.social w/ @rcollepardo.bsky.social ! Read the digest here: elifesciences.org/digests/9906...
elifesciences.org
Disrupting droplets
Mutations in certain protein regions have predictable effects on the stability of cellular droplets and the risk of harmful protein clumps forming inside them.
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Jan Huertas @janhuemar.bsky.social · 15/02/2025
Are you in #BPS2025? Come to join us at the MGO Symposium this afternoon!
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Rosana Collepardo @rcollepardo.bsky.social · 07/02/2025
Who's going to #BPS2025? Please join us at the MGO Symposium @mgo-bps.bsky.social on Saturday 1:30 pm Room 511ABC Featuring experiments, simulations, and all the scales by @serenasanulli.bsky.social @melikel.bsky.social @maristizabal.bsky.social @janhuemar.bsky.social and more Please repost! 🚀✨
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Jan Huertas @janhuemar.bsky.social · 22/01/2025
Exciting new preprint alert! 🚨 The Collepardo lab, teaming up with Huabin Zhou and the Rosen lab we took a deep, high-resolution look into chromatin condensates! [1/6] #Chromatin #MD @rcollepardo.bsky.social @juliamaristany.bsky.social www.biorxiv.org/content/10.1...
biorxiv.org
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Multiscale Genome Organisation @mgo-bps.bsky.social · 20/01/2025
The Multiscale Genome Organisation is now on Bluesky! Our first post is to announce our next webinar. Join us next week on Tuesday, Jan. 28th at 12:00 E.T. for two exciting talks by Pablo Dans and @gfudenberg.bsky.social See you all there! Link: mit.zoom.us/j/91715298970
BPS Multiscale Genome Organization Webinar
Jan. 28th, 2025 @ 12-1 PM ET
Pablo Dans, PhD University of the Republic
Geoff Fudenberg, PhD University of Southern California
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Rosana Collepardo @rcollepardo.bsky.social · 26/12/2024
Happy holidays from the Collepardo group ♥️
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Jan Huertas @janhuemar.bsky.social · 24/12/2024
Excited to be a part of this story!!! Check out our new manuscript exploring how linker DNA length controls chromatin's ability to phase separate
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Rosana Collepardo @rcollepardo.bsky.social · 24/12/2024
Is chromatin ordered or disordered? It all depends on the linker DNA length. Check our latest work with Mike Rosen and Sy Redding. We explore how changes in linker DNA length (as small as 1 bp) fine-tune chromatin structure, between order and disorder, and the properties of chromatin droplets
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