Claudia Keller Valsecchi's Avatar

Claudia Keller Valsecchi

@kellervalsecchi

Professor at Biozentrum Basel - SeXY Chromosomes, Epigenetics, RNA, Crazy Organisms

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09.12.2025
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Latest posts by Claudia Keller Valsecchi @kellervalsecchi

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We are excited to be recruiting into 3 Associate Professorship's in @oxfordbiochemistry.bsky.social. Come join us as a colleague and benefit from our vibrant and multidisciplinary environment. Reach out to me if you have any questions. Please repost! (tinyurl.com/48deybuu) (tinyurl.com/4pdvjaft).

13.03.2026 17:40 πŸ‘ 72 πŸ” 89 πŸ’¬ 0 πŸ“Œ 2
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Whole-embryo spatial transcriptomics at subcellular resolution from gastrulation to organogenesis Gene expression patterns underlie development, but their systematic detection in whole embryos has remained elusive. We introduce a whole-embryo imaging platform using multiplexed error-robust fluores...

Very happy to see this out. πŸ‘ @yinanwan.bsky.social
Bogdan Bintu and team.
Whole-embryo spatial transcriptomics at subcellular resolution from gastrulation to organogenesis | free link Science www.science.org/eprint/5MHTM...

12.03.2026 21:24 πŸ‘ 162 πŸ” 75 πŸ’¬ 5 πŸ“Œ 8
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Gene conversion empowers natural selection in a clonal fish species - Nature Analysis of the asexually reproducing Amazon molly Poecilia formosa and its sexually reproducing progenitors Poecilia mexicana and Poecilia latipinna reveals that it maintains a divergent mutational l...

Cool paper, turning evolutionary theory on its head - gene conversion overcomes the cost of asexual reproduction…

Gene conversion empowers natural selection in a clonal fish species www.nature.com/articles/s41...

12.03.2026 21:39 πŸ‘ 19 πŸ” 10 πŸ’¬ 1 πŸ“Œ 2

CONGRATULATIONS πŸŽ‰

10.03.2026 22:12 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
Flyer for symposium: https://ctrlepiedit.sciencesconf.org/

Flyer for symposium: https://ctrlepiedit.sciencesconf.org/

Very excited to announce the FIRST symposium on epigenome editing! These tools are becoming widely used in mol bio, ag & therapy. It's time to bring leaders together to discuss this rapidly growing and exciting field. And why not in Paris! Please register & share! (1/2) ctrlepiedit.sciencesconf.org

09.03.2026 13:15 πŸ‘ 79 πŸ” 55 πŸ’¬ 3 πŸ“Œ 5
Postdoctoral Researcher (ERC-funded project)

Our Lab is searching a postdoc for an exciting ERC-funded project that will start this summer. Apply if you’re passionate about multi-omics, cutting-edge computational approaches, and exploring biological questions across the animal πŸͺΌ πŸͺ± 🐞 🦎 πŸ¦‹ πŸ•·οΈ tree of life www.biozentrum.unibas.ch/open-positio...

02.03.2026 12:11 πŸ‘ 16 πŸ” 22 πŸ’¬ 0 πŸ“Œ 0
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Clonal-aggregative multicellularity tuned by salinity in a choanoflagellate - Nature The choanoflagellate Choanoeca flexa forms motile and contractile cell monolayers purely clonally, purely aggregatively or through a combination of both processes depending on environmental condi...

Salinity tunes mode of multicellularity in a tidepool choanoflagellate www.nature.com/articles/s41... - paper in @nature.com

26.02.2026 06:56 πŸ‘ 30 πŸ” 15 πŸ’¬ 0 πŸ“Œ 2
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Congratulations Dr. Fritz Garcia! You can be proud of all what you achieved!

12.02.2026 15:21 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Huge shoutout to my long term buddy @felibas.bsky.social who co-led this project with me, scientists/CF @imbmainz.bsky.social @biozentrum.unibas.ch and Simon Hippenmeyer, Thierry Schmidlin Labs.

12.02.2026 05:36 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

New Preprint www.biorxiv.org/content/10.6... from our lab - work by (now) Dr. Feyza Polat Haas with fabulous contributions from many. We show that mammals have a πŸ’ͺ POWER-Spliceoeome in the 🧠 optimized for metabolic functions. This happens because SNRPB (SmB) is replaced by its paralogue SNRPN (SmN).

12.02.2026 05:36 πŸ‘ 15 πŸ” 6 πŸ’¬ 1 πŸ“Œ 0

For once an article about the "how to get to Rome" and not "Rome" itself. Collaboration with my "partner-in-crime" @felibas.bsky.social has been a key ingredient of my research over the years. Sara Miller at Molecular Cell spoke with us of how we got there and what we think about collaborations.

09.02.2026 20:25 πŸ‘ 20 πŸ” 6 πŸ’¬ 1 πŸ“Œ 0
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Stunning lecture (β€žAntrittsvorlesungβ€œ) by @hilgerslab.bsky.social - friend, mentor and scientific inspiration at the very same time πŸ˜€ Happy that our paths join again in #Basel

05.02.2026 10:37 πŸ‘ 9 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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When you work in #Switzerland and Conference Organizers choose the most stunning place #engadin @nccr-rna-disease.bsky.social

26.01.2026 13:31 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

New year - New paper! Congratulations to @miyapan.bsky.social @hugodarras.bsky.social and team! Conservation of a transcribed lncRNA (?) without sequence similarity πŸ˜‰

06.01.2026 22:00 πŸ‘ 5 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Thanks to our amazing collaborators: the Colgan @hibernogruppe.bsky.social 🐝, Keller Valsecchi @kellervalsecchi.bsky.social and Darrouzet labs

06.01.2026 03:01 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

Thank youuuu 🫢

10.12.2025 06:23 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0