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Posts by René Ketting

Cohesin-mediated loop extrusion and enhancer-associated factors additively contribute to Sox2 looping with its distal enhancer A biweekly scientific journal publishing high-quality research in molecular biology and genetics, cancer biology, biochemistry, and related fields

New paper in Genes & Dev: we dissected how Sox2 — a key pluripotency TF — is regulated by a distal enhancer cluster (SCR) 100 kb away. The results challenge simple models of cohesin-mediated loop extrusion of gene regulation. genesdev.cshlp.org/content/earl... 🧵

1 week ago 49 21 2 1

Germ cells have their own versions of core transcription factors and fertility depends on them.
We're hiring a PhD student to figure out how! 📢
Fly genetics + proteomics + genomics. Fully funded.
Aarhus University 🇩🇰
Deadline May 1 👇

Please share with anyone who might be interested!

3 weeks ago 33 41 0 4

I could not agree more!

1 month ago 1 0 0 0

Thank you @impvienna.bsky.social for featuring our next career step! The support that Ulrich @hohmannulrich.bsky.social and I received from our postdoc labs (@pauligroup.bsky.social, @juliusbrennecke.bsky.social and @plaschkalab.bsky.social), and now from @imbmainz.bsky.social has been key!

1 month ago 24 6 1 1

Want to map protein-RNA interactions? Check out our new iCLIP3 protocol. Featuring steamlined library prep and visualisation of protein-RNA complexes without radioactivity! Bioinformatics workflow on top :)

With the Müller-McNicoll and Zarnack labs!
@zarnack-group.bsky.social @mixmue.bsky.social

1 month ago 18 7 0 0
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1 month ago 1 0 0 0
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Our most recent work on the “function and evolution” of #nuclear-speckles is now online at Cell @cp-cell.bsky.social
doi.org/10.1016/j.ce...
Read the thread👇 for the highlights of our findings.

1 month ago 124 60 9 5

How does the piRNA pathway solve the self vs. non-self problem? 🧬

Since piRNAs come from single-stranded RNA, how does the cell choose the right ones? For years, "piRNA clusters" were seen as THE privileged source. But are they really special and earmarked for biogenesis? (1/19)

2 months ago 91 51 2 4
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@lorenzoorts.bsky.social previously worked as a postdoctoral fellow at @impvienna.bsky.social in Austria. She will establish a new lab at IMB to investigate how mRNA translation is activated in the early embryo. Welcome to IMB Laura! 💐

Read more here: www.imb.de/about-imb/ne...

2 months ago 32 13 1 1

Great to have you as close neighbour and as 2nd fish lab at IMB Laura!

2 months ago 1 0 0 0
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Ulrich’s research will help advance our understanding of RNA biology & gene regulation, as well as how these mechanisms might be altered during viral infections & other diseases.
@hohmannulrich.bsky.social comes from the @impvienna.bsky.social / @imbavienna.bsky.social

www.imb.de/about-imb/ne...

2 months ago 41 16 1 1

Welcome Ulrich! Looking forward to having you as a colleague here at IMB!

2 months ago 1 0 0 0

New lab just dropped 👇

2 months ago 5 1 0 0
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Full Professor and Chair Laboratory of Biophysics We are looking for a Full Professor in the Biophysics chair group, part of Wageningen University & Research (WUR)

www.wur.nl/en/vacancy/f...

Become our new colleague (and next door neighbor) and lead a chair/group/department of Biophysics at Wageningen University. Reach out to me for info and please spread!!!

2 months ago 23 48 0 0
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Vacancy - Postdoctoral researcher Bioinformatics of microbiome-virus-host interactions in insects Honeybees (Apis mellifera) are highly effective pollinators of flowering plants, including many food crops. However, managed honeybee colonies ...

Recruiting a postdoc for a fun project on insect immunity. An international consortium will study the role of the microbiome&phages in resilience to infection.
Please repost!
www.radboudumc.nl/en/vacancies/160441-postdoctoral-researcher-bioinformatics-of-microbiome-virus-host-interactions-in-insects

3 months ago 3 2 0 1
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Early bird registration deadline of our joint meeting in Potsdam between March 10-13, 2026 - “Joint international meeting of the German @gfeev.bsky.social, Dutch (DSDB), and #SEBD for #DevBio “Development & Regeneration” is approaching fast. Please apply before the 15th of January!

3 months ago 6 8 0 2
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🔍 #AskZebrafish: Does anyone in the US or Canada have any of the following mutant #zebrafish lines and would be willing to share?

tert, klotho, cxcl12a, cxcl12b, cxcr4a and cxcr4b

Any leads would be appreciated! (Yes, we know ZIRC has some frozen but trying to find live)

3 months ago 3 6 0 1
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The Vienna BioCenter Summer School 2026 call is open for talented undergrads, it's a great opportunity for students who are interested in graduate study in the life sciences. Diana Pinheiro from the IMP is recruiting!
https://training.vbc.ac.at/summer-school/

3 months ago 3 1 0 0

Interested in the unexpected? How about a link between piRNAs and maternal histone mRNAs … Great collab with @sebastianfalk.bsky.social, @koenig-lab.bsky.social and Florian Steiner.

#piRNA #histone #mRNA #maternal #RNAbiology #RNASky

www.biorxiv.org/content/10.6...

3 months ago 28 12 1 2

If only you’d have had access to AF Miguel…😊. But thanks for kicking off the evo-side of this project at the time!

3 months ago 1 0 0 0

This doesn’t help my case Ewart😂. I’m very disappointed though about my home country 😊

3 months ago 1 0 1 0

Thanks for the great (not small!) input into this story Peter.

3 months ago 1 0 0 0
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An Evolutionarily Conserved N-terminal Domain of RRF-3 Governs GTSF-1 Binding in Nematodes GTSF1 is an essential activating cofactor for PIWI proteins in many metazoans. In the nematode Caenorhabditis elegans, however, GTSF-1 does not bind PIWI, but associates with the RNA-dependent RNA pol...

What a way to start the new year with one more submission to BioRxiv. This one is on how GTSF-1 enable RdRP activity in nematodes (for Piwi aficionados: correct, it does not affect Piwi😊)

www.biorxiv.org/content/10.6...

3 months ago 20 5 2 2
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This nicely shows how the city of Mainz prioritizes bike-usage…one can get sued for not cleaning the walkway along your house, but the city leaves bike trails (but not car lanes of course) covered in ice…

3 months ago 3 0 2 0

Happy to share two BioRxiv manuscripts from our lab. One on genetic Argonaute interaction and unexpected non-correlation between small RNAs and their targets:

doi.org/10.64898/202...

The second on IDR processing and IDR-mediated Argonaute loading control:

doi.org/10.64898/202...

Merry Xmas😊

4 months ago 21 9 0 0
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Was a pleasure to work together! (And it still is😊)

7 months ago 2 0 0 0
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A genetic framework for RNAi inheritance in Caenorhabditis elegans | EMBO reports imageimageAn intergenerational cycle between HRDE-1 and WAGO-3 drives RNAi inheritance in C. elegans, where HRDE-1 drives silencing in both parent and offspring and WAGO-3 transmits the RNAi response ...

Very happy to be able to advertise our latest paper:

A genetic framework for RNAi inheritance in Caenorhabditis elegans | EMBO reports www.embopress.org/doi/full/10....

9 months ago 9 1 0 0
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If you are an enthusiastic, motivated and team-oriented life science researcher-in-spé, we are looking for you! We offer excellent science and working conditions. For more info on projects please see. Please help me spread this🙏

www.imb.de/students-pos...

1 year ago 6 4 0 1
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If you are an enthusiastic, motivated and team-oriented life science researcher-in-spé, we are looking for you! We offer excellent science and working conditions. For more info on projects please see. Please help me spread this🙏

www.imb.de/students-pos...

1 year ago 6 4 0 1