Linxuan Zhao
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linxuanzhao.bsky.social
Linxuan Zhao
@linxuanzhao.bsky.social
PhD student @Bienko Lab @Karolinska Institute and @SciLifeLab | 3D genome organization | Single-cell genomics | Method development
Reposted by Linxuan Zhao
🚨New preprint from the lab🚨
🧬 What keeps certain chromatin domains anchored at the nuclear periphery? Our new genome-wide HiDRO screen uncovers a key role for RNA-binding protein hnRNPK.
www.biorxiv.org/content/10.1...
Mechanistic and Epigenetic Partitioning of Lamina-Associated Chromatin Revealed by a Genome-Wide Imaging Screen
The nuclear periphery is a key site for heterochromatin organization in eukaryotic cells, where lamina-associated domains (LADs) promote transcriptional repression and genome stability. Despite their ...
www.biorxiv.org
August 14, 2025 at 7:01 PM
Reposted by Linxuan Zhao
🚨 Preprint alert 🚨
Excited to share our work on "Ab-trapping," an antibody artifact causing misleading peripheral ("rim") staining in imaging & genomics (IF, CUT&Tag, CUT&RUN). Antibodies fail to penetrate structures, accumulating at the periphery. A 🧵👇
doi.org/10.1101/2025...
Ab-trapping - a peripheral staining artifact in antibody-based microscopy and genomics
Antibodies (Ab) are essential for detecting specific epitopes in microscopy and genomics, but can produce artifacts leading to erroneous interpretations. Here, we characterize a novel artifact, Ab-tra...
doi.org
April 14, 2025 at 8:08 PM
Reposted by Linxuan Zhao
Our new findings on how chromosomes get ready for cell division are now published in @cellpress.bsky.social!

Congratulations, Kai, @andibrunner.bsky.social and everyone else involved! 🤩

www.sciencedirect.com/science/arti...
March 24, 2025 at 3:29 PM
Reposted by Linxuan Zhao
Brown University Professor and kidney transplant expert is deported despite valid visa, judge's order, and petition.

www.nytimes.com/2025/03/16/u...
Brown University Professor and Doctor Are Deported to Lebanon Despite a Judge’s Order
Dr. Rasha Alawieh, a kidney transplant specialist and Brown University professor who had a valid visa, was expelled in apparent defiance of a court order.
www.nytimes.com
March 16, 2025 at 8:59 PM
Reposted by Linxuan Zhao
Fantastic work from my soon-to-be neighbour Loϊc Binan (and all)! Simultaneous CRISPR screening and spatial transcriptomics reveal intracellular, intercellular, and functional transcriptional circuits
www.cell.com/cell/fulltex...
March 12, 2025 at 9:18 PM
Reposted by Linxuan Zhao
UMASS IS RESCINDING ALL GRAD POSITIONS FOR THIS YEAR
March 12, 2025 at 7:00 PM
Reposted by Linxuan Zhao
Sequencing by Expansion (SBX) -- a novel, high-throughput single-molecule sequencing technology https://www.biorxiv.org/content/10.1101/2025.02.19.639056v1
February 24, 2025 at 9:33 PM
Reposted by Linxuan Zhao
Amid concerning times, sharing a bit of positivity: our 1st preprint of 2025 (funded VIA NIH COMMON FUND), heroically led by Marty Yang (@martyyang.bsky.social) w/ huge assist from @genophoria.bsky.social lab. Lots to cover so let’s get this tweetorial started (1/n)! www.biorxiv.org/content/10.1...
Pervasive and programmed nucleosome distortion patterns on single mammalian chromatin fibers
We present a genome-scale method to map the single-molecule co-occupancy of structurally distinct nucleosomes, subnucleosomes, and other protein-DNA interactions via long-read high-resolution adenine ...
www.biorxiv.org
January 24, 2025 at 1:04 AM
Reposted by Linxuan Zhao
Thermodynamic principles link in vitro transcription factor affinities to singlemolecule chromatin states in cells

www.biorxiv.org/content/10.1...
Thermodynamic principles link in vitro transcription factor affinities to single-molecule chromatin states in cells
The molecular details governing transcription factor (TF) binding and the formation of accessible chromatin are not yet quantitatively understood - including how sequence context modulates affinity, h...
www.biorxiv.org
January 30, 2025 at 5:12 PM
Reposted by Linxuan Zhao
Every once in a while we publish a paper that moves a whole field forward. I think that's the case for this one from the Bugaj lab, where they describe proteins for THERMOGENETIC control of cellular behavior. www.nature.com/articles/s41...
A temperature-inducible protein module for control of mammalian cell fate - Nature Methods
The Melt (Membrane localization using temperature) protein translocates to the plasma membrane upon temperature shift. Melt variants with a range of switching temperatures enable straightforward therm...
www.nature.com
January 23, 2025 at 6:34 PM
Reposted by Linxuan Zhao
It’s official 🎉 I am excited to share that I will start my lab this spring at the Max Planck Institute for Immunobiology and Epigenetics @mpi-ie.bsky.social in beautiful Freiburg 🤩🗻☀️ I am looking forward to new collaborations and working with the fantastic community in Freiburg & its surroundings!
January 16, 2025 at 6:38 PM
Reposted by Linxuan Zhao
Excited to share James Jusuf's preprint:

By integrating Micro-C with SuperRes Live-Imaging we can calibrate genomics&imaging to perform absolute quantification of looping (e.g. this loop is present 3%)

We quantify mESC 36k loops: are generally rare (2.3%)

www.biorxiv.org/content/10.1...
January 16, 2025 at 1:35 PM
Reposted by Linxuan Zhao
We are happy to share our enhancer scramble story, a strategy to create hundreds of stochastic deletions, inversions, and duplications within mammalian gene regulatory regions and associate these new architectures with gene expression levels 🧵
www.biorxiv.org/content/10.1...
January 15, 2025 at 8:32 PM
Reposted by Linxuan Zhao
Very excited to announce that the single cell/nuc. RNA/ATAC/multi-ome resource from ENCODE4 is now officially public. This includes raw data, processed data, annotations and pseudobulk products. Covers many human & mouse tissues. 1/

www.encodeproject.org/single-cell/...
Single cell – ENCODEHomo sapiens clickable body map
www.encodeproject.org
January 7, 2025 at 9:29 PM
Reposted by Linxuan Zhao
How to test the functional impact of non-coding variants in vivo? We developed a new method called dual-enSERT, which can quantitatively compare the effects of enhancer variants in live mouse embryos in under two weeks. www.nature.com/articles/s41... 1/n
January 6, 2025 at 2:55 PM
Reposted by Linxuan Zhao
🧬 We’re excited to introduce D&D-seq, a single-cell technology that maps DNA:Protein interactions through molecular footprinting. Check it out here: biorxiv.org/content/10.1... #Genomics #Epigenetics
Single-cell mapping of regulatory DNA:Protein interactions
Gene expression is coordinated by a multitude of transcription factors (TFs), whose binding to the genome is directed through multiple interconnected epigenetic signals, including chromatin accessibil...
biorxiv.org
January 2, 2025 at 9:10 PM
Reposted by Linxuan Zhao
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
December 24, 2024 at 9:48 AM
Reposted by Linxuan Zhao
Deaminase-mediated chromatin accessibility profiling with single-allele resolution www.biorxiv.org/content/10.1...
December 23, 2024 at 6:50 PM
Reposted by Linxuan Zhao
We often speak about chromatin as being accessible or inaccessible, but what does it mean? We wrote a short review on this, 🔬 focused:

sciencedirect.com/science/arti...

A big thank you to Tom Fillot for his efforts on this and to
@hansen_lab

@marcelonollmann
for their help as editors.
December 20, 2024 at 3:46 PM
Reposted by Linxuan Zhao
1/🚀 Excited to share RegVelo, our new cell model combining RNA velocity with gene regulatory network (GRN) dynamics to model cellular changes and predict in silico perturbations. Here's how it works and why it matters! 🧵👇
biorxiv.org/content/10.1101/2024.12.11.627935v1
December 12, 2024 at 2:48 PM
Reposted by Linxuan Zhao
🔺🔺🔺RED TRIANGLE ALERT 🔺🔺🔺
Ever wonder how #TADs compare across the tree of life?Look no further & read our Review!!!

Find out what genes & 3D chromatin can & can't do in Bacteria! Archeae! Yeast! Plants! Animals!

SMCs & RNA-Pol are the only thing they have in common
www.nature.com/articles/s41...
Evolution and function of chromatin domains across the tree of life - Nature Structural & Molecular Biology
Szalay et al. discuss cross-kingdom similarities and differences in 3D chromatin folding in relation to gene regulation, including in bacteria, archaea, mammals and plants. This comparison reveals cer...
www.nature.com
November 28, 2024 at 12:48 PM
Reposted by Linxuan Zhao
Gene regulation involves thousands of proteins that bind DNA, yet comprehensively mapping these is challenging. Our paper in Nature Genetics describes ChIP-DIP, a method for genome-wide mapping of hundreds of DNA-protein interactions in a single experiment.
www.nature.com/articles/s41...
ChIP-DIP maps binding of hundreds of proteins to DNA simultaneously and identifies diverse gene regulatory elements - Nature Genetics
ChIP-DIP (ChIP done in parallel) is a highly multiplex assay for protein–DNA binding, scalable to hundreds of proteins including modified histones, chromatin regulators and transcription factors, offe...
www.nature.com
November 27, 2024 at 4:13 AM
Reposted by Linxuan Zhao
Thrilled to announce that our latest work has been published in Science and featured on the front cover!

www.linkedin.com/posts/scienc...
Science Magazine on LinkedIn: This light-sheet microscopy three-dimensional rendering shows a…
This light-sheet microscopy three-dimensional rendering shows a first-of-its-kind mouse whole-brain mRNA analysis at single-cell resolution. Learn more in…
www.linkedin.com
November 22, 2024 at 12:43 AM
Reposted by Linxuan Zhao
It's my great pleasure to present the next big preprint from SheqLab! An exciting application of our O-MAP platform that I hope will transform the study of nuclear architecture.
If you've ever wanted to dissect the subnuclear "neighborhood" around an individual locus, read on! (1/30)
November 21, 2024 at 1:27 AM
Reposted by Linxuan Zhao
Our paper on a centromere-enriched retroelement is out! link.springer.com/article/10.1... Congratulations to all the authors! Comments and reposts welcome and appreciated 🧬🔬
Transcription of a centromere-enriched retroelement and local retention of its RNA are significant features of the CENP-A chromatin landscape - Genome Biology
Background Centromeres depend on chromatin containing the conserved histone H3 variant CENP-A for function and inheritance, while the role of centromeric DNA repeats remains unclear. Retroelements are...
link.springer.com
November 18, 2024 at 5:50 PM