@kasitc.bsky.social
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Postdoctoral Fellow, Genome Biology Unit, EMBL Heidelberg
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kasitc.bsky.social
Activity of most genes is controlled by multiple enhancers, but is there activation coordinated? We leveraged Nanopore to identify a specific set of elements that are simultaneously accessible on the same DNA molecules and are coordinated in their activation. www.biorxiv.org/content/10.1...
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lucagiorgetti.bsky.social
Really 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🧵👇
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cmoene.bsky.social
Have you ever wondered how the exact location of a gene affects it's activity?

The main story of my PhD deals with exactly that question, and is now published in Science! ✨
www.science.org/doi/10.1126/...

My amazing co-author and friend @mathiaseder.bsky.social summarized the highlights for you
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alexanrna.bsky.social
1/ First preprint from @jdemeul.bsky.social lab 🥳! We present our new multi-modal single-cell long-read method SPLONGGET (Single-cell Profiling of LONG-read Genome, Epigenome, and Transcriptome)! www.biorxiv.org/content/10.1...
ikea-style logo of splongget
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fnucleosome.bsky.social
We're super excited to announce the entire lineup for the Fall season of Fragile Nucleosome Seminars, starting on Sept 10th at 1200 EDT / 1600 UTC with @gracebower.bsky.social and @creminslab.bsky.social!

register here for the entire series: us06web.zoom.us/webinar/regi...
Fragile Nucleosome Fall Seminars:
September 10    Grace Bower, Kvon Lab @ UC Irvine, USA
    Jennifer Phillips-Cremins, UPenn, USA

September 24    Ali Wilkening, Sanulli Lab @ Stanford, USA
    Juanma Schvartzman, Columbia University, USA

October 8    Sanim Rahman, Greenberg Lab @ UPenn, USA
    Alex Federation, Talus Bio, USA

October 22    Alice Laigle, Croll Lab @ University of Neuchâtel, Switzerland
    Seungsoo Kim, UC Irvine, USA

November 5    Hannah Long, University of Edinburgh, UK
    Jeff Vierstra, Altius Institute, USA

November 19    Ishtiaque Hossain, Pastor Lab @ McGill, Canada
    Sarah Teichmann, University of Cambridge, UK

December 3    María Mariner Faulí, Rada Iglesias Lab @ IBBTEC, Spain
    Jonathan Henninger, Carnegie Mellon, USA

December 17    Rebecca Berrens, Oxford University, UK
    Jean-Benoit Lalanne, University of Montreal, Canada
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timothyfuqua.bsky.social
Excited / nervous to share the “magnum opus” of my postdoc in Andreas Wagner’s lab!

"De-novo promoters emerge more readily from random DNA than from genomic DNA"

This project is the accumulation of 4 years of work, and lays the foundation for my future group. In short, we… (1/4)
De-novo promoters emerge more readily from random DNA than from genomic DNA
Promoters are DNA sequences that help to initiate transcription. Point mutations can create de-novo promoters, which can consequently transcribe inactive genes or create novel transcripts. We know lit...
www.biorxiv.org
kasitc.bsky.social
Congrats Pedro, glad to see you write about ageing & cancer again!
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kitazawa-taro.bsky.social
Please RP.
We are thrilled to announce that our lab’s first preprint is out!
”Whole-genome single-cell multimodal history tracing to reveal cell identity transition”

We report HisTrac-seq, a multiomic single-cell molecular recording platform.
www.biorxiv.org/content/10.1...
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mathias-boulanger.bsky.social
Activity of most genes is controlled by multiple enhancers, but is there activation coordinated? We leveraged Nanopore to identify a specific set of elements that are simultaneously accessible on the same DNA molecules and are coordinated in their activation www.biorxiv.org/content/10.1... @embl.org
kasitc.bsky.social
Huge thanks to the co-first author @mathias-boulanger.bsky.social. Also thanks to Rene, Marc Jan, Karine, Kim, and especially @arnaudkr.bsky.social @embl.org @dfg.de.
Finally, I'll be presenting the story at the @cshlnews.bsky.social #cshlmoet next week! Please stop by if you are around!
kasitc.bsky.social
What about transcription? We could link changes in enhancer activity to the consequences at a co-accessible promoter!
kasitc.bsky.social
Can we prove coordination in their activity? Using regulatory changes between cell types, we show that co-accessible enhancers co-vary, demonstrating the dependency between them.
kasitc.bsky.social
What regulates co-accessibility? We found that certain TF motifs are enriched in co-accessible CREs (vs independent ones). These include several usual suspects such as Su(Hw) and Trl (GAF).
kasitc.bsky.social
Co-accessible pairs aren't always the closest neighbours! For each pair of CREs, we tested if they are co-accessible more often than expected by chance, creating a co-accessibility map across CREs.
kasitc.bsky.social
Here is an example locus: we can resolve chromatin accessibility for a promoter and 8 enhancers located up to 20kb away! — all on the same DNA molecules.
kasitc.bsky.social
We used Single-molecule footprinting (SMF) to methylate accessible regions, combined with Nanopore long-read sequencing. At each locus, we collected thousands of molecules — enough to quantify coordinated accessibility across distant cis-regulatory elements (CREs) up to 30 kbs apart!
kasitc.bsky.social
Activity of most genes is controlled by multiple enhancers, but is there activation coordinated? We leveraged Nanopore to identify a specific set of elements that are simultaneously accessible on the same DNA molecules and are coordinated in their activation. www.biorxiv.org/content/10.1...
Reposted
schubelerlab.bsky.social
Excited to see this published with additional data following our preprint a while back. Cool combination (in our biased view) of controlled TF expression and machine learning to decode chromatin sensitivity. www.sciencedirect.com/science/arti....
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mgkopczynska.bsky.social
🚨 New preprint from our labs (STOP lab @stoplab.bsky.social & Nojima lab @pol2rna.bsky.social @pyrolyn.bsky.social)! We've been digging into how chromatin remodeler SETD2 controls the start and end of transcription 👇 www.biorxiv.org/cgi/content/... (1/5)
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evgenykvon.bsky.social
Our paper describing the Range Extender element which is required and sufficient for long-range enhancer activation at the Shh locus is now available at @nature.com. Congrats to @gracebower.bsky.social who led the study. Below is a brief summary of the main findings www.nature.com/articles/s41... 1/
Range extender mediates long-distance enhancer activity - Nature
The REX element is associated with long-range enhancer–promoter interactions.
www.nature.com
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fnucleosome.bsky.social
Join us next Wed, for three amazing ECR researchers_ @fueyoraquel.bsky.social, @kaiamattioli.bsky.social and Laura talk about their work in #FragileNucleosome seminar series!
In case you haven't joined any of the previous 2025 sessions, here is registration link:
us06web.zoom.us/webinar/regi...
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molinalab.bsky.social
🚨 New preprint out! Do you think Single Molecule Footprinting and Fiber-seq are super cool but aren't sure how to unlock their full potential? HiddenFoot can help you: www.biorxiv.org/content/10.1...
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fnucleosome.bsky.social
Join us on Wednesday next week for two exciting talks on transcription regulation from @kasitc.bsky.social and @davidsuter.bsky.social!

You can register at: us06web.zoom.us/webinar/regi...
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molsystbiol.org
5/2025 Issue ➡️ www.embopress.org/toc/17444292...
tissue-specific huntingtin interactomes, gene product diversity evolution
Cover: mammalian promoters characterised by low RNA pol II occupancy and high turnover @kasitc.bsky.social @molinalab.bsky.social @arnaudkr.bsky.social