Olga Rosspopoff, PhD
postdoc @trono-lab.bsky.social at EPFL🇨🇭// Future PI at @igbmc.bsky.social 🇫🇷 // Fascinated in transposons 🤘 and embryogenesis 👶
Future Lab: orspf.github.io/Rosspopoff.Lab.io/
- Reposted by Olga Rosspopoff, PhD⚡👩🔬Electrical signals are key for promoting organ regenerative growth, a new study! Out now in Science Advances, from the Mateus group @ritamateus.bsky.social at PoL and @mpi-cbg.de along with the lab of Frank Jülicher @mpipks.bsky.social Read the news here: tud.link/7jzptz Video:©️ Mateus group
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- Reposted by Olga Rosspopoff, PhDIt is finally out! If you are interested in TE-derived CREs, and newly described, but evolutionary old KZFP-TE mechanistic modalities, read it at www.cell.com/cell-reports.... Thankful to everyone who took part in this work, namely @orpsf.bsky.social and other @trono-lab.bsky.social members. 🫀🧬✨
- 🚨 The final version is out: how transposons help keep our hearts beating ❤️ Proud of this one with @1995dana.bsky.social, huge thanks to @trono-lab.bsky.social. Give it a read! #TEsky
- It is finally out! If you are interested in TE-derived CREs, and newly described, but evolutionary old KZFP-TE mechanistic modalities, read it at www.cell.com/cell-reports.... Thankful to everyone who took part in this work, namely @orpsf.bsky.social and other @trono-lab.bsky.social members. 🫀🧬✨
- Reposted by Olga Rosspopoff, PhDNew paper: Remodeling of XIST regulatory landscape during primate evolution We are glad to share with you our latest publication investigating the evolution of XIST regulation in primates ES cells. urlr.me/eyG38M @manucazottes.bsky.social @crougeulle.bsky.social @charbel-alfeghaly.bsky.social
- Reposted by Olga Rosspopoff, PhDWe are very excited to see this work out in its final form at Ultramicroscopy! Knife edge measurements of beam shapes and improved scanned versus shaped beam material removal comparisons. Find the OA article here: doi.org/10.1016/j.ul...
- Thrilled to share these experiments on shaping focused ion beams to explore different ways of milling. Here, we explore using different beam geometries to generate cellular thin sections/lamellae. The video shows elongating the beam on a charging spot burn www.biorxiv.org/content/10.1...
- Reposted by Olga Rosspopoff, PhDOur work on #RegulatoryTrajectories is out today in Nat. Comms: www.nature.com/articles/s41... Led by @raquelrouco.bsky.social, this study establishes a new framework to study how enhancer landscapes act sequentially at developmental loci and are silenced to shape gene expression patterns. (1/n)
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- Reposted by Olga Rosspopoff, PhD🚨Our story is published! Same bones but + dissection of MERVL’s role integrating signals from #ZGA factors, & + about pathological DUX4 activation of NOXA #TEsky. Thanks to all revs for their helpful comments improving the ms. Even #rev3 - until they ghosted us 😜 www.science.org/doi/epdf/10....
- Happy to share our first #bluetorial & our latest #preprint, lead by postdoc @paulchammas.bsky.social. We used CRISPRa to disentangle the close relationship between Dux and MERVL elements in the induction of the 2-cell like state: #TEsky #MERVL www.biorxiv.org/content/10.1... (1/8)
- Reposted by Olga Rosspopoff, PhD🚨 New paper out! A human epiblast model reveals how dynamic TGF‑β signalling controls epithelial identity in early mammalian development Here is the full paper: rdcu.be/eSWEs 🧵 A twittorial: THREAD
- Reposted by Olga Rosspopoff, PhDVery happy to share our paper rdcu.be/eUImj out today in @natcellbio.nature.com 🎉🎉🎉 We uncover an unexpected role for endogenous Xist RNA in regulating X-linked genes that escape X-inactivation.
- Reposted by Olga Rosspopoff, PhDJoin us for the 2026 Glycolipid & Sphingolipid Biology Gordon Research Conference (GRC). 📍 Renaissance Tuscany Il Ciocco (Italy) 🗓️ March 22 - 27, 2026 Theme: "Molecular Codes of Cell Identity and Recognition" #LipidResearch #Sphingolipids #GRC2026 #ScienceConference #Lipidtime
- Reposted by Olga Rosspopoff, PhDAttending #EMBOevoChromo25 next week? Our Reviews Editor @ingridtsang.bsky.social will be attending - feel free to talk to her about the journal or @biologists.bsky.social activities!
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- Reposted by Olga Rosspopoff, PhDHappy to present TOGA2, developed by Yury Malovichko @ymalovichko.bsky.social, the faster, memory-efficient & more accurate TOGA1 successor (github.com/hillerlab/TO...). And annotations, orthologs & gene loss/dup data generated with 4 references for 883 placental mammal and with 5 refs for 676 ...
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- Reposted by Olga Rosspopoff, PhDTE x ZFP = Evolution! Writing this with Olga @orpsf.bsky.social & Didier @trono-lab.bsky.social was a major highlight of my 🇨🇭sabbatical. Such a treat! 🍫Hope you enjoy it as much as we enjoy piecing it together.
- Thrilled to share our new review in Current Opinion in Genetics & Development on TE driven innovation in gene regulation🤘. I am honored to be part of this with two major TE aficionados @cedricfeschotte.bsky.social and @trono-lab.bsky.social #TEsky #TEworldwide authors.elsevier.com/c/1m6MC,LqAZ...
- Thrilled to share our new review in Current Opinion in Genetics & Development on TE driven innovation in gene regulation🤘. I am honored to be part of this with two major TE aficionados @cedricfeschotte.bsky.social and @trono-lab.bsky.social #TEsky #TEworldwide authors.elsevier.com/c/1m6MC,LqAZ...
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- Had an absolute blast presenting my “Last Minute Breakthrough talk” at #EMBOmobilegenome today! 🔥 What an incredible crowd, the energy in the room was unreal. Huge thanks to the organizers for selecting me and to everyone who came, asked questions, and made it such a fun session! 🙌
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- Reposted by Olga Rosspopoff, PhDWelcome to Day 1 of 'The mobile genome: genetic and physiological impacts of transposable elements'! 🧬 The opening remarks by Julius Brennecke accompanied by his fellow scientific organisers: 🔹Déborah Bourc'his 🔹Josefa González 🔹Joseph Peters #EMBOMobileGenome
- Reposted by Olga Rosspopoff, PhD“The bad review will come from your list of suggested reviewers”
- Reposted by Olga Rosspopoff, PhDReally excited to present the results of a fantastic collaboration with Jesse Veenvliet @jesseveenvliet.bsky.social @mpi-cbg.de @poldresden.bsky.social 🤩 We find a unique mechanism for body axis elongation in mammals, different from other vertebrate species ➡️ www.biorxiv.org/content/10.1...
- Reposted by Olga Rosspopoff, PhD📣 New preprint! Stoked to share a fantastic collaboration with @campaslab.bsky.social! We discover a unique mammalian mechanism for body axis elongation using mouse and human gastruloids, and confirm central findings in mouse embryos. Check out the 🧵 👇 @mpi-cbg.de @poldresden.bsky.social
- Really excited to present the results of a fantastic collaboration with Jesse Veenvliet @jesseveenvliet.bsky.social @mpi-cbg.de @poldresden.bsky.social 🤩 We find a unique mechanism for body axis elongation in mammals, different from other vertebrate species ➡️ www.biorxiv.org/content/10.1...
- Reposted by Olga Rosspopoff, PhD🧠 The Lipid #Brain Atlas is out now! If you think #lipids are boring and membranes are all the same, prepare to be surprised. Led by @lucafusarbassini.bsky.social with Giovanni D'Angelo's lab, we mapped membrane lipids in the mouse brain at high resolution. www.biorxiv.org/cgi/content/...
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- Reposted by Olga Rosspopoff, PhDNew preprint from the lab! We discovered a transient fluidization in the basal region of human forebrains by tracking microdroplets in cerebral organoids.This “basal fluidization”, absent in gorilla and mouse, may contribute to greater surface expansion in human forebrains 1/ doi.org/10.1101/2025...
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- Reposted by Olga Rosspopoff, PhD⚠️ Paper alert: Using a novel CRISPR screening approach, we mapped the entire regulatory network controlling Xist—key for X-chromosome inactivation. 👉 We discover how sex and development signals are decoded at a single gene locus. www.nature.com/articles/s41... 👇 Bluetorial
- Reposted by Olga Rosspopoff, PhD🧵1/ Excited to share our new paper introducing a new #singlecell assay: scTF-seq, a high-throughput single-cell approach to explore how transcription factor (TF) dose shapes cell identity and reprogramming outcomes. 🔗 www.nature.com/articles/s41... Big congrats to the entire team @EPFL & @SIAT_China
- Reposted by Olga Rosspopoff, PhDVertebrate Genome Evolution. Annual Symposium of the @louisjeantetfdn.bsky.social Foundation in Geneva. Free access on site and on line. Great speakers for a super interesting topic. #SvantePaabo #HenrikKaessmann organisers 🙏 See you there! @biology-unige.bsky.social @genevunige.bsky.social
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- Reposted by Olga Rosspopoff, PhD🚀 Excited to share scPortrait! Led by Sophia Mädler & Niklas Schmacke w/ the Mann lab — a new @scverse tool for standardized single-cell image data. Enables ML-ready extraction, >1B cell processing, cross-omics, & cancer macrophage insights. 🔗 www.biorxiv.org/content/10.1...
- Reposted by Olga Rosspopoff, PhDEEE meeting is BACK! Early Embryogenesis & Epigenetics conference in Berlin 02/2026. Checkout great program and over 12 slots for (not so) short talks for submitted abstracts!. Early registration now open - w.molgen.mpg.de/embryo2026
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- Reposted by Olga Rosspopoff, PhDSome (+)ve news to lighten another heavy weekend: our latest preprint (c/o Mattiroli + Ramani labs) is up! www.biorxiv.org/content/10.1... A tour-de-force by 1st authors Bruna Eckhardt & @palindromephd.bsky.social, focusing on chromatin replication. RTs welcome; tweetorial in 3,2...(1/n)
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- First-grader raises $1,000 for axolotl research, meets her scientist hero — and maybe gets taste of what she wants to do when she grows up
- Reposted by Olga Rosspopoff, PhDReally excited to share our latest work led by @mattiaubertini.bsky.social and @nesslfy.bsky.social: we report that cohesin loop extrusion creates rare but long-lived encounters between genomic sequences which underlie efficient enhancer-promoter communication. www.biorxiv.org/content/10.1... A🧵👇
- Reposted by Olga Rosspopoff, PhDHuge congratulations to Thomas on this well-deserved award. His PhD defense last week was outstanding too - a great moment. He’ll on the lookout for a postdoc position soon…spread the word!
- 📣 Congratulations to @thomasbalan.bsky.social (@sandraduharcourt.bsky.social Lab) who won the Best Poster Award at the Gordon Research Epigenetics conference “Variation: Mechanisms and Impact across Systems”! More informations 🔗 buff.ly/NhLWE6G @cnrs-idf-villejuif.bsky.social @upcite.bsky.social
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- Reposted by Olga Rosspopoff, PhDOut today. 🙏 again to everyone for this wonderful piece of work, in particular to Aurelie @aurhin.bsky.social Chase @chasebolt.bsky.social and Brent @homeobox.bsky.social. 🙏 also to the Harris lab @fish4walking.bsky.social and @neilshubin.bsky.social @biology-unige.bsky.social @college-de-france.fr
- Reposted by Olga Rosspopoff, PhDVery happy to have contributed to this review on "non-CG" #methylation in animals now out in @natgenet.nature.com. Working again with @obog.bsky.social and Tirsa is always a pleasure. We think this not so well studied form of methylation should be more widely considered, please read: rdcu.be/eFAEk
- Reposted by Olga Rosspopoff, PhDVery happy to share the work of Huanhuan Li et al. While not a natural embryo, you might not have known that if I hadn’t told you. (1/3)
- Reposted by Olga Rosspopoff, PhDPlease re-post: Interested in chromatin and its evolution? Good news! There's still time to join us in beautiful Catalonia (9-12 Dec) to discuss eukaryotic, bacterial, archaeal, and viral chromatin and how it all hangs together meetings.embo.org/event/24-evo... Abstract deadline: 30 September
- Reposted by Olga Rosspopoff, PhDLegend David Baltimore died yesterday. He understood the way things should work: "the real contribution of MIT is that it doesn't take itself too seriously. It takes ideas seriously, but the people are relatively informal. They are not self-aggrandizing the way academics can be."
- Reposted by Olga Rosspopoff, PhDHere are all the talks I attended and sketched at #ESEB2025 ! Only a fraction of the 642 speakers at the conference 😮 I had an absolutely amazing week chatting about lots of fascinating science #sciart #eseb #esebcongress @eseb2025.bsky.social
- Reposted by Olga Rosspopoff, PhD1) I am delighted to present this terrific tour de force research conducted by my post-doc Dr. Gayani Senevirathne @gayani.bsky.social and published today in Nature - www.nature.com/articles/s41...
- Reposted by Olga Rosspopoff, PhDMy feather cell type paper is finally out! doi.org/10.1111/ede.... We’ve packed a ton of stuff into this paper but I’ll go through some highlights in this thread!
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