Hana Polasek-Sedlackova @hanasedlackova.bsky.social · 06/08/2026📢 We are looking for a PhD student to join our lab! Explore how DNA replication is regulated during development and disease using quantitative cell biology, advanced microscopy, CRISPR engineering, and AI tools. 👉 Full details: www.ibp.cz/en/for-publi... Thank you for sharing! 🔬 065
Reposted by Hana Polasek-SedlackovaKumar Somyajit & Lab @ksomyajit.bsky.social · 29/01/2026Dear Colleagues, Delighted to share that our first lab paper is now published in Nature.!!! 😊😊😊 We identify a previously concealed “safety limit” in DNA replication program: cells intrinsically rate-limit PCNA via PAF15, shaping strand-specific and global replication dynamics. 👉 rdcu.be/e1bBtrdcu.bePAF15–PCNA exhaustion governs the strand-specific control of DNA replicationNature - PCNA–PAF15 has a key role in determining replisome dynamics during genome replication and protecting against genome instability. 45521
Hana Polasek-Sedlackova @hanasedlackova.bsky.social · 06/01/2026🚀 Qlife Winter School 2026: Quantitative Approaches to DNA Damage and Repair! Hands-on workshops for Master's, PhD, postdocs & junior scientists. 🗓 Apply by Jan 19, 2026! #QlifeWinterSchool #QuantitativeBiology #LifeScienceTraining 012
Reposted by Hana Polasek-SedlackovaLopes_Lab @lopeslab.bsky.social · 19/12/2025Thrilled to share our latest work - now available in full in Nature Communications - led in my lab by @vcherdy.bsky.social, with key collaborative contributions from @nitikataneja.bsky.social . rdcu.be/eVrxXrdcu.beNucleoplasmic Lamin A/C controls replication fork restart upon stress by modulating local H3K9me3 and ADP-ribosylation levelsNature Communications - Replication fork plasticity upon genotoxic stress is modulated by nuclear architectural components by elusive mechanisms. Here the authors implicate Lamin A/C – best... 1168
Reposted by Hana Polasek-SedlackovaCzech Academy of Sciences @czechacademy.bsky.social · 02/12/2025Hana Polášek-Sedláčková @hanasedlackova.bsky.social from our Institute of Biophysics is one of 28 group leaders who just became @embo.org Young Investigators for the next four years. #LifeSciences www.avcr.cz/en/media/pre... Details ➡️ www.embo.org/press-releas... 042
Hana Polasek-Sedlackova @hanasedlackova.bsky.social · 02/12/2025Thrilled to be selected as one of the 28 EMBO Young Investigators for 2026! It is an incredible honor, and I am especially proud to be the second scientist from Czechia chosen since the programme began in 2001. Happy to join Tomas Pluskal in representing our country in the EMBO YIP. 12362
Hana Polasek-Sedlackova @hanasedlackova.bsky.social · 14/11/2025Truly delighted to host @agagambus.bsky.social next week in Brno for an IBP Guest Lecture! Her groundbreaking work and genuinely human approach to science have always been a great inspiration to me. Come and join us for her lecture at IBP 👇 1101
Hana Polasek-Sedlackova @hanasedlackova.bsky.social · 28/10/2025📢 Excited to share that our study has just been published in Nature Communications! We uncover how CRL4-DCAF12 regulates the cellular levels of MCMBP, a chaperone essential for assembling nascent MCM2-7 complexes, to ensure accurate and error-free genome duplication. 4208
Reposted by Hana Polasek-Sedlackovaaltmeyerlab @altmeyerlab.bsky.social · 02/10/2025A comprehensive genetic catalog of human double-strand break repair | Science www.science.org/doi/10.1126/...science.orgA comprehensive genetic catalog of human double-strand break repairThe analysis of DNA sequence outcomes provides molecular insights into double-strand break (DSB) repair mechanisms. Using parallel in-pool profiling of Cas9-induced insertions and deletions (indels) w... 1249
Reposted by Hana Polasek-Sedlackovadimitristypas.bsky.social @dimitristypas.bsky.social · 12/08/2025@natsmb.nature.com has published three pieces on scientists returning to their country of origin after working abroad. www.nature.com/nsmb/article... Two more will come out. The most recent one by @hanasedlackova.bsky.social hits home for me, a very interesting read. www.nature.com/articles/s41...nature.comReturning home: there and back again in Czechia - Nature Structural & Molecular BiologyReturning to Central Europe was appealing and challenging. Here, I reflect on my part in rebuilding a research career in Czechia and fostering a collaborative scientific community across the region. 054
Reposted by Hana Polasek-SedlackovaNature Structural & Molecular Biology @natsmb.nature.com · 08/08/2025ICYMI: New online: Returning home: there and back again in Czechiago.nature.comReturning home: there and back again in CzechiaNature Structural & Molecular Biology, Published online: 07 August 2025; doi:10.1038/s41594-025-01642-1Returning to Central Europe was appealing and challenging. Here, I reflect on my part in rebuilding a research career in Czechia and fostering a collaborative scientific community across the region. 021
Hana Polasek-Sedlackova @hanasedlackova.bsky.social · 07/08/2025📢 Excited to share my World View article, just published in @NatureSMB, where I reflect on returning to Czechia and building research group grounded in collaboration🤝, resilience and curiosity💡. www.nature.com/articles/s41...nature.com 193
Reposted by Hana Polasek-SedlackovaJournal of Cell Biology @jcb.org · 04/08/2025🧑🔬🎙️ When you publish with JCB, you can reach more of your community by submitting a short video! Want to promote your research in your own voice? 🎦 See our guidelines: rupress.org/jcb/pages/vi... ▶️ Watch video summaries from our authors: www.youtube.com/@JCellBiol 022
Reposted by Hana Polasek-SedlackovaCahir O'Kane @cahirokane.bsky.social · 23/07/2025Another reason to consider HaloTag as an alternative to GFP for tagging 0105
Reposted by Hana Polasek-SedlackovaEva Petermann @petermannlab.bsky.social · 23/07/2025We're very proud that our recent PhD graduate (and now postdoc) Rosie Wilkins' study on RNase H2 overexpression in human cells has been published in Oncogene. www.nature.com/articles/s41...nature.comHuman RNase H2 upregulation counteracts oncogene- and chemotherapy-induced replication stress - OncogeneOncogene - Human RNase H2 upregulation counteracts oncogene- and chemotherapy-induced replication stress 1145
Reposted by Hana Polasek-SedlackovaJournal of Cell Biology @jcb.org · 23/07/2025A Biotin-HaloTag ligand enables efficient affinity capture of protein variants from live cells. New tools developed by Anoop Kumar Yadav, Abhijeet Jadhav, Hana Polasek-Sedlackova @hanasedlackova.bsky.social and colleagues: rupress.org/jcb/article/... #Technology #Chromatin #epigenetics #CellCycle 093
Reposted by Hana Polasek-SedlackovaFrancesca Mattiroli @fmattiroli.bsky.social · 22/07/2025Thank you, Melina, for the interview! 0241
Hana Polasek-Sedlackova @hanasedlackova.bsky.social · 23/07/2025📢 For all HaloTag lovers💙💚💛❤️💜🩶 we are excited to share that our work, in which we developed a new biotin-HaloTag ligand, is now published in @jcb.org! Full link here: rupress.org/jcb/article-... 16424
Reposted by Hana Polasek-SedlackovaJournal of Cell Biology @jcb.org · 16/07/2025Yadav, Jadhav, @hanasedlackova.bsky.social et al present a novel cell-permeable biotin-HaloTag ligand. The reported ligand expands the HaloTag toolbox by enabling in vivo labeling & providing capabilities for efficient affinity capture of protein variants from live cells rupress.org/jcb/article/... 11811
Reposted by Hana Polasek-SedlackovaRockefeller University Press @rupress.org · 16/07/2025In @jcb.org, the @hanasedlackova.bsky.social lab presents a novel cell-permeable biotin-HaloTag ligand. The reported ligand expands the HaloTag toolbox by enabling in vivo labeling & providing capabilities for efficient affinity capture of protein variants from live cells rupress.org/jcb/article/... 032
Reposted by Hana Polasek-SedlackovaAga Gambus @agagambus.bsky.social · 10/07/2025It is finally out 👍😀. Great job of the team (mostly absent from Bsky) and @m-saponaro.bsky.social CDK-driven phosphorylation of TRAIP is essential for mitotic replisome disassembly and MiDAS url: academic.oup.com/nar/article/...academic.oup.comCDK-driven phosphorylation of TRAIP is essential for mitotic replisome disassembly and MiDASAbstract. Disassembly of the replication machinery (replisome) from chromatin is an active process driven by two ubiquitin ligases Cul2LRR1 and TRAIP, whic 13613
Reposted by Hana Polasek-SedlackovaFrancesca Mattiroli @fmattiroli.bsky.social · 10/07/2025Apply to our PhD program!! 035
Reposted by Hana Polasek-SedlackovaKai Johnsson @kjohnsson.bsky.social · 03/07/2025Finally out in Nature Chem Bio: SNAP-tag2 for faster and brighter protein labeling www.nature.com/articles/s41... Thank you Steffi and Veselin.nature.comSNAP-tag2 for faster and brighter protein labeling - Nature Chemical BiologySNAP-tag is a widespread tool for labeling protein for bioimaging. Now, Kühn et al. report SNAP-tag2 with increased labeling kinetics and brightness, which translates into a better performance in live... 217275
Reposted by Hana Polasek-SedlackovaCommunications Biology @commsbio.nature.com · 27/06/2025This review discusses the cellular pathways mediating Targeted Protein Degradation approaches and points to some gaps in our understanding of the biology of novel therapeutic tools such as PROTACs. doi.org/10.1038/s420...doi.orgCellular parameters shaping pathways of targeted protein degradation - Communications BiologyThis review discusses the cellular pathways mediating Targeted Protein Degradation approaches and points to some gaps in our understanding of the biology of novel therapeutic tools such as PROTACs. 042
Reposted by Hana Polasek-Sedlackovadimitristypas.bsky.social @dimitristypas.bsky.social · 19/06/2025This editorial details why we think it's a good idea to standarise reporting of microscopy data and what we are doing towards that. I also feel that it is both important and a step towards helping the community. www.nature.com/articles/s41...nature.comReporting light microscopy data in our pages - Nature Structural & Molecular BiologyWe outline a pilot starting at several Nature Portfolio journals aimed at improving and standardizing the reporting of light and fluorescence microscopy experiments. 031
Reposted by Hana Polasek-SedlackovaAlessandro Costa @costalaboratory.bsky.social · 20/06/2025Postdoc positions open in my lab (Francis Crick Institute) to study 1. initiation of DNA replication. 2. chromatin replication/epigenetic inheritance. Great for biochemists, biophysicists and cryo-EM/cryo-tomography scientists. Deadline 3 August 2025. crick.wd3.myworkdayjobs.com/External/job... 17880
Reposted by Hana Polasek-Sedlackovakstewartmorgan.bsky.social @kstewartmorgan.bsky.social · 17/06/2025If you are interested in working on chromatin and oogenesis in the mouse in beautiful Copenhagen, we are recruiting a postdoc! jobportal.ku.dk/videnskabeli... Please share!app.beetween.comBeetween 079
Reposted by Hana Polasek-SedlackovaČajánek lab @cajaneklab.bsky.social · 10/06/2025📣Check out our recent review (written with Martina Huranova lab) on converging mechanisms controlling #cilia #dynamics during #cell #cycle, #cell #signaling, and cross-talk of ciliary modules. rdcu.be/epVDcrdcu.beCilia at the crossroad: convergence of regulatory mechanisms to govern cilia dynamics during cell signaling and the cell cycle 032
Reposted by Hana Polasek-Sedlackovadimitristypas.bsky.social @dimitristypas.bsky.social · 10/06/2025So excited to share that we @natsmb.nature.com are hiring a new editor! If you are interested about working with an intelligent, compassionate and funny team helping scientists publish great research, please consider applying. Deadline June 20th. springernature.wd3.myworkdayjobs.com/SpringerNatu...springernature.wd3.myworkdayjobs.comAssociate or Senior Editor (Nature Structural & Molecular Biology and Nature Communications)Job Title: Associate or Senior Editor (Nature Structural & Molecular Biology and Nature Communications) Location: New York, Shanghai, Beijing, Madrid or Milan Closing date: June 20th About Springe... 156
Reposted by Hana Polasek-SedlackovaGIIN @genomeiinetwork.bsky.social · 28/05/2025Next Tuesday's webinar will feature @agagambus.bsky.social and @chowdhurylab.bsky.social. Join us on June 3rd at 5PM Rome / 11AM NYC for a lively discussion on DNA replication and repair! Zoom link: uniroma1.zoom.us/j/95149984403 Become part of our community: docs.google.com/forms/d/e/1F... 074
Reposted by Hana Polasek-SedlackovaSimon Hammann @simonhammann.bsky.social · 02/06/2025Oh wow. Starting grant 0-10 years post PhD from 2027, Consolidator 5-15 33715
Reposted by Hana Polasek-SedlackovaAndreas Panagopoulos @apanagopoulos.bsky.social · 21/05/2025Lastly, many thanks to Sarah Aitken (@s-j-aitken.bsky.social) and Emma Reilly for writing a great News & Views article that summarizes our findings and puts them into perspective. You can find it here: doi.org/10.1038/d415...doi.orgUnder the microscope: DNA damage tracked through cell generationsAn ingenious technique reveals how stressed cells divide to produce progeny that have different traits — a phenomenon that can initiate cancer. 062
Reposted by Hana Polasek-SedlackovaAndreas Panagopoulos @apanagopoulos.bsky.social · 21/05/2025Delighted to share that the results of my main postdoc project are now published in @nature.com 🔗 doi.org/10.1038/s415...doi.orgMultigenerational cell tracking of DNA replication and heritable DNA damage - NatureA multigenerational single-cell tracking approach provides a framework to dissect phenotypic plasticity at the single-cell level, offering insights into cellular processes that may resemble early even... 89334
Reposted by Hana Polasek-SedlackovaLopes_Lab @lopeslab.bsky.social · 07/05/2025Exciting PhD project available in our lab (time sensitive)! 👇 11015
Reposted by Hana Polasek-SedlackovaFrancesca Mattiroli @fmattiroli.bsky.social · 04/05/2025Want to learn more about chromatin and its dynamics? Read this review by Charlotte and Jolijn in our lab, aimed at giving an overview on this and the ways this is dealt with during transcription, replication and damage repair. Thanks to Biochemistry for inviting us! doi.org/10.1021/acs....doi.orgAlways on the Move: Overview on Chromatin Dynamics within Nuclear ProcessesOur genome is organized into chromatin, a dynamic and modular structure made of nucleosomes. Chromatin organization controls access to the DNA sequence, playing a fundamental role in cell identity and... 210732
Reposted by Hana Polasek-SedlackovaJournal of Cell Science @jcellsci.bsky.social · 02/05/2025Also in Issue 8: - Research Highlights on tracking leukocytes, trap formation and pluripotency transitions - Interview with @hanasedlackova.bsky.social - In memoriam – Angelika Noegel - Epithelial cell extrusion at a glance journals.biologists.com/jcs/issue/13... 012
Reposted by Hana Polasek-SedlackovaChromatin organization and function @pecinka-grp.bsky.social · 22/04/2025We are looking for a motivated postdoc to study genomic imprinting in barley. @apecinka.bsky.social @beata-strej.bsky.social 024
Hana Polasek-Sedlackova @hanasedlackova.bsky.social · 22/04/2025Truly honored that my career path and laboratory were featured in the 'Cell Scientist to Watch' interview series. A huge thank you to Sara Morais da Silva and @jcellsci.bsky.social for this wonderful opportunity 🙏 0144
Reposted by Hana Polasek-SedlackovaValentin Flury @flurylab.bsky.social · 31/03/2025(jobs.ie-freiburg.mpg.de/jobposting/4...)jobs.ie-freiburg.mpg.dePostdoctoral Position (m/f/div) 001
Reposted by Hana Polasek-SedlackovaPavel Moudrý @3reak.bsky.social · 30/03/2025Our new preprint is now on bioRxiv! 📄 We introduce qAID, an AI-based workflow for automated analysis of DNA replication dynamics. Glad to have contributed a small part to this study. 033
Hana Polasek-Sedlackova @hanasedlackova.bsky.social · 30/03/2025📢 For all DNA fiber enthusiasts! 🟥🟩 We are thrilled to announce the release of our long-awaited AI-based workflow for the automated and quantitative analysis of DNA fibers. It's an exciting step forward—check it out on bioRxiv! lnkd.in/dQWUPtsP 62921
Reposted by Hana Polasek-SedlackovaKumar Somyajit & Lab @ksomyajit.bsky.social · 20/03/2025Thrilled to share our lab's first preprint, led by an exceptional PhD student Gita Chhetri and with the support of wonderful collaborators, we find that replisome function is rate-limited by strand-specific PCNA dynamics. Hope you will enjoy reading. www.biorxiv.org/content/10.1... Brief teaser:biorxiv.orgPAF15-PCNA assembly exhaustion governs lagging strand replication and replisome integrityGenome replication in eukaryotic cells is surveyed by the S-phase checkpoint, which orchestrates sequential replication origin activation to avoid exhaustion of hitherto poorly defined rate-limiting r... 33821
Reposted by Hana Polasek-Sedlackovaaltmeyerlab @altmeyerlab.bsky.social · 18/03/2025How are chromosome breaks repaired and how is their repair influenced and facilitated by nuclear and genome dynamics? Fantastic initiative and collaboration with @karimmekhail.bsky.social, @chiololab.bsky.social, and @lablegube.bsky.social. @natrevmcb.bsky.social Link to article: rdcu.be/edViWrdcu.beNuclear and genome dynamics underlying DNA double-strand break repairNature Reviews Molecular Cell Biology - Changes in nuclear and genome organization promote the repair of DNA double-strand breaks and genome stability. Processes that are involved include the... 16721
Reposted by Hana Polasek-SedlackovaLopes_Lab @lopeslab.bsky.social · 17/03/2025Exciting seminar series from Genome integrity italian Network (GiiN), chaired by myself and Raffaella Di Micco! Short talks (2x30’), at convenient time for EU/USA attendees. Big shots and raising stars in an expanding field. See flyers + link to receive email alerts. Please repost to your network!👇 33834
Hana Polasek-Sedlackova @hanasedlackova.bsky.social · 19/02/2025Had an absolutely fantastic time in Essen! Thank you so much, Dominik Boos, for kind invitation and the inspiring discussions that sparked many ideas💡Hemmo Meyer, Michael Ehrmann, Boris Pfander, Simon Popsel, @hellerschmiedlab.bsky.social & students & postdocs 💚 I appreciated every moment 🙏 150
Reposted by Hana Polasek-SedlackovaCRC 1430 @crc1430.bsky.social · 17/02/2025Join us tomorrow, February 18, for an exciting @crc1430.bsky.social seminar at @unidue.bsky.social! We’re happy to welcome @hanasedlackova.bsky.social, who will present on 'Molecular Homeostasis of DNA Replication Origins in Human Cells.' #DNAreplication #ResearchCollaboration 083
Reposted by Hana Polasek-SedlackovaRomain Koszul @rkoszul.bsky.social · 07/02/2025Our latest work: how can compartmentalization emerge in a eukaryotic genome lacking canonical heterochromatin? By investigating bacterial genomes put in yeast, we show that the presence or absence of transcription is sufficient! #chromatin #3Dgenome #generegulation www.science.org/doi/10.1126/... 👇science.orgSequence-dependent activity and compartmentalization of foreign DNA in a eukaryotic nucleusIn eukaryotes, DNA-associated protein complexes coevolve with genomic sequences to orchestrate chromatin folding. We investigate the relationship between DNA sequence and the spontaneous loading and a... 318275
Reposted by Hana Polasek-SedlackovaSarah Lambert's Lab @lambertsarahlab.bsky.social · 05/02/2025Dead line is approaching. Have a look on the prg. 045
Reposted by Hana Polasek-SedlackovaSarah Lambert's Lab @lambertsarahlab.bsky.social · 04/01/2025Please RT. Join the sixth edition of our Training Unit @institut_curie international course on Genome Instability & Human Disease open to master students, PhDs and researchers! Amazing program. Registration dead line 2nd March 2025 at training.institut-curie.org/courses/geno... 01211