Reposted by Anders Sejr HansenWendy Bickmore @wbickmor.bsky.social · 29/09/2026Very interesting paper. These <10kb "protrusions" remind me, albeit at a different length scale, of the "looping out" of active regions from chromosome territories. www.sciencedirect.com/science/arti... 063
Reposted by Anders Sejr HansenPeter Sarkies @psarkies.bsky.social · 28/09/2026CpG islands are fascinating both from molecular mechanism point of view and in terms of evolutionary conservation in the context of elevated mutation rate of CpG dinucleotides in mammalian genomes. Lots of new insights from cool technical and theoretical advances from @robklose.bsky.social + lab. 0104
Anders Sejr Hansen @andersshansen.bsky.social · 28/09/2026Very nice new paper from Paggi, Long, Zhang using physical modeling of RCMC data to reconstruct physical structures of euchromatin at the nucleosome scale: Euchromatin forms condensed domains and E-P interactions largely occur on the surface! www.nature.com/articles/s41... 0233
Reposted by Anders Sejr HansenEd Maibach @maibached.bsky.social · 25/09/2026Happy Stanislav Petrov Day He passed in 2017. As Encyclopedia Britannica puts it, “He is survived by his two children, two grandchildren, and the entire human race.” If you don't know his story, please take 3 minutes now to learn it. @gchalliance.bsky.social @docsforclimate.bsky.socialsammatey.substack.comHappy Stanislav Petrov DayTake five minutes to not destroy civilization 252099926
Reposted by Anders Sejr HansenNezar Abdennur @nvictus.bsky.social · 19/09/2026The 4DN Center for 3D Structure and Physics of the Genome proudly presents: "Stepwise reorganization of chromosome conformation and nuclear organization during stem cell differentiation". www.biorxiv.org/content/10.6... 14419
Anders Sejr Hansen @andersshansen.bsky.social · 16/09/2026. @matteomazzocca.bsky.social and I were fortunate to contribute single molecule imaging of chromatin dynamics to this beautiful study from K Alimenti and M Blower on SAF-A/HNRNPU: 051
Anders Sejr Hansen @andersshansen.bsky.social · 07/09/2026Enhancer–promoter proximity predicts transcriptional competence but not transcriptional output in the Drosophila brain arxiv.org/pdf/2609.03058 0196
Anders Sejr Hansen @andersshansen.bsky.social · 03/09/2026"we found that human sister chromatids are consistently misaligned in the 5′→3′ direction of inherited DNA strands." www.science.org/doi/epdf/10.... 072
Anders Sejr Hansen @andersshansen.bsky.social · 02/09/2026Very thankful to the @valleefoundation.bsky.social for supporting our work with a 2026 Vallee Scholar Award: thevalleefoundation.org/news/vallee-...thevalleefoundation.orgThe Vallee Foundation Announces 2026 Vallee Scholars | The Vallee Foundation 4321
Reposted by Anders Sejr HansenRada-Iglesias Lab @radaiglesiaslab.bsky.social · 01/09/2026Have you ever wondered why developmental genes are often regulated by enhancers located at long distances? In this @natgenet.nature.com perspective, we speculate that long-range enhancer positioning may provide regulatory properties essential for proper gene expression www.nature.com/articles/s41...nature.comMechanisms and functional implications of long-range enhancer-dependent gene regulation - Nature GeneticsDevelopment depends on gene regulation by enhancers across long genomic distances. This Perspective discusses mechanisms enabling long-range enhancer–promoter communication and the potential advantage... 29633
Reposted by Anders Sejr HansenMaxim Greenberg @maxvcg.bsky.social · 26/08/2026We always knew you couldn't trust these antibody data sheets, but the extent to which it is essentially industry practice to manipulate data is truly shocking 3272
Reposted by Anders Sejr HansenFeiya Ou @feiyaou.bsky.social · 25/08/2026Glad to share that my preprint "ID2 secures cDC1 specification by antagonizing E proteins at a pleiotropic Zeb2 enhancer" is out today in Nature Immunology. This represents another major piece of my PhD work. www.nature.com/articles/s41... Original preprint thread: bsky.app/profile/feiy...nature.comID2 secures cDC1 specification by antagonizing E proteins at a pleiotropic Zeb2 enhancer - Nature ImmunologyMurphy and colleagues report that the transcriptional regulator ID2 promotes cDC1 fate specification by antagonizing E protein activity at E-boxes within the Zeb2 enhancer and establish the Zeb2 −165-... 152
Reposted by Anders Sejr HansenTobias Warnecke @tobiaswarnecke.bsky.social · 22/08/2026Who needs chromatin anyway...? NOT THIS GUY! www.biorxiv.org/content/10.6... 1/nbiorxiv.orgChromatin is dispensable for bacterial lifeInside cells, DNA is intimately associated with proteins, forming chromatin. The protein constituents of chromatin vary across the tree of life: histones are the principal building blocks of chromatin... 3231104
Reposted by Anders Sejr HansenThe Groth lab @grothlab.bsky.social · 21/08/2026‼️🚨Out now in Molecular Cell - Our latest study 𝐫𝐞𝐯𝐞𝐚𝐥𝐢𝐧𝐠 𝐧𝐞𝐰 𝐢𝐧𝐬𝐢𝐠𝐡𝐭𝐬 𝐢𝐧𝐭𝐨 𝐅𝐀𝐂𝐓 𝐟𝐮𝐧𝐜𝐭𝐢𝐨𝐧 𝐚𝐧𝐝 𝐭𝐡𝐞 𝐢𝐦𝐩𝐨𝐫𝐭𝐚𝐧𝐜𝐞 𝐨𝐟 𝐧𝐮𝐜𝐥𝐞𝐨𝐬𝐨𝐦𝐞 𝐨𝐫𝐠𝐚𝐧𝐢𝐬𝐚𝐭𝐢𝐨𝐧 𝐟𝐨𝐫 𝟑𝐝 𝐠𝐞𝐧𝐨𝐦𝐞 𝐦𝐚𝐢𝐧𝐭𝐞𝐧𝐚𝐧𝐜𝐞: tinyurl.com/2xctvx38. It was a pleasure to lead this collaborative effort alongside @nilskrietenstein.bsky.social More in🧵below 🪡tinyurl.comMaintenance of nucleosome organization through replication and transcription counteracts aberrant coalescence of active chromatinNucleosomes with their associated modifications organize and regulate the genome. It is unclear how this is integrated with the requirement of replica… 17227
Reposted by Anders Sejr HansenEdward Marcotte @edwardmarcotte.bsky.social · 19/08/2026Exciting news for personalized mRNA cancer vaccines, especially if the phase 3 effect size matches the phase 2 trial (49% reduced death or recurrence), although we have to wait for the official numbers arstechnica.com/health/2026/...arstechnica.commRNA cancer vaccine succeeded in Phase 3 melanoma trial, Moderna and Merck sayThe vaccine reportedly thwarted the cancer's return and spread. 0172
Anders Sejr Hansen @andersshansen.bsky.social · 19/08/2026we sometimes do bootcamps or workshops over the summer as a lab. Last week we did our microscopy bootcamp: everyone in the lab built a fluorescence microscope :) 1310
Anders Sejr Hansen @andersshansen.bsky.social · 18/08/2026Really interesting new paper from Krietenstein and Groth labs showing that FACT depletion has a dramatic effect on microcompartments leading to aberrant microcompartment (AMC) formation through loss of ordered nucleosomes: www.cell.com/molecular-ce... 0296
Reposted by Anders Sejr HansenPablo Navarro @pablonavarrolab.bsky.social · 15/08/2026Happy to share our last work on mitotic bookmarking where we describe a new role for extensively studied TFs. Heroic effort by first author Inma over many years. genesdev.cshlp.org/content/earl...genesdev.cshlp.orgMitotic MAX bookmarking drives MYC-dependent hypertranscription at TBP-bound promoters A biweekly scientific journal publishing high-quality research in molecular biology and genetics, cancer biology, biochemistry, and related fields 23311
Reposted by Anders Sejr HansenCraig Kaplan @triggerloop.bsky.social · 14/08/2026Amazing physical chemical analysis of chromosome condensation and decondensation from Andrew Beel, PJ Mattei, and Roger Kornberg. I was tickled to see some expressions that I am used to from Roger's writing in the paper www.science.org/doi/10.1126/...science.orgThe eukaryote chromosome, a two-state system with interconversion by a volume phase transitionThe formation of metaphase chromosomes requires the activity of condensins, DNA translocases that reduce chromosomal length through the process of loop extrusion. Reduction of length, however, does no... 2176
Anders Sejr Hansen @andersshansen.bsky.social · 14/08/2026Multi-way Micro-C to go beyond pair-wise interactions: 030
Anders Sejr Hansen @andersshansen.bsky.social · 14/08/2026Nucleosomes and IDRs suppress promiscuous GCN4 binding on minichromosomes www.nature.com/articles/s41... 0112
Reposted by Anders Sejr HansenArnaud Krebs @arnaudkr.bsky.social · 12/08/2026How many TFs to you need to open chromatin at enhancers? Very excited to see this one out! Check out the augmented version with combinatorial motif mutant libraries in Figure 5! Very proud of @guidobarzaghi.bsky.social @valentinabaderna.bsky.social @embl.org 17626
Reposted by Anders Sejr HansenSteve Ramirez @okaysteve.bsky.social · 11/08/2026It was an honor to write this remembrance of Susumu Tonegawa (1939–2026) -- a scientist whose discoveries transformed biology and whose lab shaped generations of neuroscientists. I hope this piece captures even a small part of his remarkable legacy. www.nature.com/articles/s41...nature.comSusumu Tonegawa (1939–2026) - Nature NeuroscienceOn 11 July 2026, neuroscience lost one of its most visionary scientists with the passing of Susumu Tonegawa at the age of 86. Across an extraordinary career spanning more than five decades, Tonegawa p... 28727
Reposted by Anders Sejr HansenMatt Jones @mattjones.bsky.social · 10/08/2026New paper from my group at @mitkochinstitute.bsky.social, MIT IMES, and MIT Biology! I am thrilled to share that our paper describing scAmp, a new method for analyzing extrachromosomal DNA amplifications at single-cell resolution, has been published in @natcomms.nature.com. Thread below 👇 2147
Reposted by Anders Sejr HansenDi Jiang @dijiang319.bsky.social · 08/08/2026@science.org Generative design of bacteriophages with genome language models | Science www.science.org/doi/10.1126/...science.orgGenerative design of bacteriophages with genome language modelsMany important biological functions arise not from single genes but from complex interactions encoded by entire genomes. We report the first generative design of complete bacteriophage genomes using g... 1219
Reposted by Anders Sejr HansenStefan Schoenfelder @stefanschoenfelder.bsky.social · 07/08/2026Very happy to see this story finally out in @natbiotech.nature.com: www.nature.com/articles/s41... Fantastic collaboration with @lancasterlab.bsky.social on how to identify and ‘fix’ differentiation-compromised human pluripotent stem cells. @babrahaminst.bsky.social @mrclmb.ac.uk 🧵 belownature.comReversible epiblast regionalization determines differentiation potential of human pluripotent stem cells - Nature BiotechnologyThe differentiation variability of human pluripotent stem cell lines is diagnosed and corrected. 45722
Reposted by Anders Sejr HansenVincent Guacci Ph.D. @sciencevinman.bsky.social · 07/08/2026We just submitted a manuscript to biorxiv. Keep in mind that this hasn't been peer reviewed yet but is submitted to PNAS for peer review. Our lab has closed so it will be the 2nd to last paper we publish. Data for one final paper will be written up in my retirement www.biorxiv.org/content/10.6...biorxiv.orgCohesin promotes genomic stability by suppressing unequal sister chromatid exchangeThe protein complex cohesin plays critical roles in genomic stability by tethering together sister chromatids at their pericentric regions and along their arms from S phase until anaphase. Cohesin-med... 172
Reposted by Anders Sejr Hansenvarshram.bsky.social @varshram.bsky.social · 07/08/2026Happy to share my first preprint! We looked at how the 3D genome changes during red blood cell differentiation, especially at erythroid CREs. It was fun to work on this collab with many wonderful people from the @andersshansen.bsky.social and @bloodgenes.bsky.social labs esp. Chun-Jie. 093
Anders Sejr Hansen @andersshansen.bsky.social · 06/08/2026(1/n) Excited to share close collab w @bloodgenes.bsky.social led by Varshini & Chun-jie et al How to induce expression of key genes while silencing much of the genome during Erythropoiesis? A: Matchmaker CREs load cohesin near key genes to promote looping & exp: www.biorxiv.org/content/10.6... 14714
Reposted by Anders Sejr HansenMikhail Spivakov @mspivakov.bsky.social · 04/08/2026Very happy to see this story finally out (link in comments)! We used low-input Capture Hi-C to profile promoter-anchored chromosomal interactions in Type 3 innate lymphoid cells (ILC3s) - rare tissue-resident lymphocytes that lack antigen receptors and regulate barrier immunity. 1198
Reposted by Anders Sejr HansenJesse Engreitz @jengreitz.bsky.social · 04/08/2026Update: scE2G is now online at Nature Genetics! Since the preprint, we added a new benchmark on a fully held-out CRISPR dataset. scE2G continues to show state-of-the-art performance, reinforcing that it generalizes well nature.com/articles/s41588-026-02695-8 1/ 13514
Reposted by Anders Sejr HansenKaushik Ragunathan @kaushikr.bsky.social · 03/08/2026Our new study shows a CHD-family remodeler can nucleate and spread H3K9 methylation de novo, inverting the canonical hierarchy between writers and remodelers. www.biorxiv.org/content/10.6...biorxiv.orgNucleosome remodeling by a CHD enzyme promotes H3K9 methylation establishment and spreading via remodeler-writer feedbackIn Schizosaccharomyces pombe , the conserved CHD remodeler Mit1 function within the SHREC remodeler-deacetylase complex (a homolog of the metazoan Mi-2/NuRD complex), which is essential for H3K9 methy... 14719
Reposted by Anders Sejr HansenElena Torlai Triglia @elett.bsky.social · 29/07/20261/ New paper alert! 🎉🧬 Our study on #9p21 gene regulation is out in #CellGenomics: "Chromatin topology and distal elements underlie divergent cell-type-specific regulation of 9p21 locus cell cycle genes" (Torlai Triglia, Miller, et al. www.cell.com/cell-genomic... 🧵 1159
Reposted by Anders Sejr HansenJeff Groh @jeffgroh.bsky.social · 28/07/2026Avocados come in 2 varieties - A-types start each day female and switch to male midday. B-types do the reverse. In work just published from the last chapter of my PhD, we show this system evolved 40+million yrs ago and is regulated by alleles of 1 transcription factor www.pnas.org/doi/10.1073/...pnas.orgBalanced polymorphism in a floral transcription factor underlies the ancient rhythm of daily sex alternation in avocado | PNASIn avocado and certain wild relatives in Lauraceae, a highly synchronized daily rhythm of floral sex timing promotes cross-pollination between two ... 22721274
Reposted by Anders Sejr HansenChristophe 🔬 Leterrier @christlet.bsky.social · 27/07/2026Controlled blinking of upconverting nanoparticles - no bleaching means attractive potential as an SMLM probe! www.nature.com/articles/s41... 0207
Anders Sejr Hansen @andersshansen.bsky.social · 25/07/2026We know little about proteins required for long-range compartment 3D interactions, but this @kyleeagen.bsky.social lab preprint shows that NSD3 can make Mb-scale long-range compartment-like interactions: www.biorxiv.org/content/10.6... 1228
Anders Sejr Hansen @andersshansen.bsky.social · 25/07/2026Very interesting study showing that active non-equilibrium fluctuations are required to explain chromatin organization at the 10-100kb scale: 092
Reposted by Anders Sejr HansenBenoit Bruneau @benoitbruneau.bsky.social · 23/07/2026our paper starts with an analysis of the dynamics of 3D chromatin in cardiac differentiation, for ventricular and atrial cardiomyocytes. They are different! And by single cell methyl-HiC we can discern subtype differences. www.science.org/doi/10.1126/...science.orgDose-dependent sensitivity of human three-dimensional chromatin to a heart disease–linked transcription factorDosage-sensitive transcription factors (TFs) underlie altered gene regulation in human developmental disorders, and cell type–specific gene regulation is linked to the reorganization of three-dimensio... 3227
Anders Sejr Hansen @andersshansen.bsky.social · 23/07/2026Masahiro and I were fortunate to contribute some RCMC analyses to this beautiful paper from Koska and Wysocka that comprehensively dissects the determinants of promoter competition: www.nature.com/articles/s41... 0252
Reposted by Anders Sejr HansenDaily Spurious Correlation 🤖 @dailycorrelation.bsky.social · 19/07/2026The number of secretaries in Rhode Island correlates with Customer satisfaction with UPS (r=0.926) 021
Reposted by Anders Sejr HansenMoffitt Lab @moffittlab.bsky.social · 13/07/2026Genome Research has just announced an exciting call for spatial 'omics related papers! I am thrilled to be co-editing this special issue with Jian Ma (@jianma.bsky.social) and Christina Leslie! 0144
Reposted by Anders Sejr HansenLuca Giorgetti lab @FMI @lucagiorgetti.bsky.social · 15/07/2026Our preprint is now out in @natgenet.nature.com ! doi.org/10.1038/s415... We measured Sox2 promoter bursting dynamics with the SCR enhancer positioned at different distances within a genomic locus devoid of confounding effects in mESC: Main findings in the 🧵 below:doi.orgEnhancer control of promoter activity and variability via frequency modulation of clustered transcriptional bursts - Nature GeneticsTünnermann et al. use live-cell imaging to study promoter activity under the control of an enhancer inserted at different genomic distances. RNA production from the promoter occurs in clusters of tran... 48345
Reposted by Anders Sejr HansenJesse Engreitz @jengreitz.bsky.social · 15/07/2026An encyclopedia of enhancer-gene regulatory interactions — online today! nature.com/articles/s4158… Now with an improved model, expanded maps across 1400+ biosamples, larger validation CRISPR datasets, and guidance on applying the model 1/nature.com 12911
Reposted by Anders Sejr HansenShasha Chong @schong-ustc.bsky.social · 16/07/2026(1/5) Excited to share our new paper in Advanced Science! We combine genome editing, super-resolution microscopy, and single-molecule tracking to investigate the endogenous oncogenic fusion transcription factor EWS::FLI1 in Ewing sarcoma cells. advanced.onlinelibrary.wiley.com/doi/full/10....advanced.onlinelibrary.wiley.comDynamic Regulation of Endogenous Transcription Factor Hubs at Single‐Molecule ResolutionThis study combines single-molecule microscopy and genome editing to characterize the dynamic behaviors of endogenous oncofusion transcription factor EWS::FLI1 in Ewing sarcoma cells. EWS::FLI1 forms... 1194
Reposted by Anders Sejr HansenJessica Stark @jcstark.bsky.social · 14/07/2026MIT ACCESS is an opportunity for undergraduates to explore cutting-edge research and graduate education in science and engineering. See for yourself what grad life is like at MIT! Applications due Aug 1: access.mit.edu @mitcheme.bsky.social @mitchemistry.bsky.socialaccess.mit.eduMIT ACCESS – Opening doors and promoting diversity in science and engineering 037
Reposted by Anders Sejr HansenSarah G. Swygert @swygert.bsky.social · 14/07/2026Excited to share the first preprint from my lab! Transcription has been implicated in regulating SMC complex function, but how this works has been unclear. Here, we use a yeast quiescence model to examine how transcription targets condensin. 1239
Anders Sejr Hansen @andersshansen.bsky.social · 14/07/2026Very interesting and comprehensive study using synthetic activation of enhancers to probe the rules of distal vs. proximal gene regulations: 0133
Anders Sejr Hansen @andersshansen.bsky.social · 14/07/2026 @mileshuseyin.bsky.social and the lab have put together a comprehensive protocol for genome-wide Micro-C and for Region-Capture Micro-C in @natprot.nature.com : www.nature.com/articles/s41... See also the GitHub for a user-friendly end-to-end computational pipeline: github.com/ahansenlab/M... 04215
Reposted by Anders Sejr HansenHarvard_MCB @harvardmcb.bsky.social · 06/07/2026Got a Zombie Fly? MCB Scientists Want Your Help Mapping a Mind-Controlling Fungus 🧪 🧬 🔬 #AcademicSky #higherEd www.mcb.harvard.edu/department/n... @zombiflied.bsky.social @naoshigeuchida.bsky.social @harvardmuseums.bsky.social @boschildmuseum.bsky.social @museumofscience.bsky.social @harvard.edumcb.harvard.eduGot a Zombie Fly? MCB Scientists Want Your Help Mapping a Mind-Controlling Fungus - Harvard University - Department of Molecular & Cellular BiologyA dead fly perched high on a blade of grass, wings raised, glued in place by its own mouthparts, might look like something out of a horror movie. […] 095
Reposted by Anders Sejr HansenElzo de Wit lab @ NKI @dewitlab.bsky.social · 06/07/2026(1/10) The majority of human genetic variation is located in non-coding regions. The great challenge of the post-genomic era is to assign function to these variants. We reasoned that combining haplotyping with allele-specific multiomics can help pinpoint the functional ones: rdcu.be/fgr5W. A thread:rdcu.beMapping functional non-coding variation in individual human genomes through haplotyping, multiomics, and deep learningNature Communications - How non-coding mutations in DNA contribute to phenotypes is a largely unresolved question. Here the authors integrate personal genomics and machine learning to identify... 15324