@ulrichtechnau.bsky.social
Evolutionary Developmental Biologist, working on Nematostella and other Cnidaria, but also interested in all other aspects of Biology as well.
Reposted
We observed that while gene activity groups cell type functionally, whereas CREs and regulatory seqs group them ontogenetically. E.g. mesenteric and tentacle retractor muscles, a dev convergence described by @alisongcole.bsky.social and @ulrichtechnau.bsky.social.
www.nature.com/articles/s41...
www.nature.com/articles/s41...
December 22, 2025 at 10:17 AM
We observed that while gene activity groups cell type functionally, whereas CREs and regulatory seqs group them ontogenetically. E.g. mesenteric and tentacle retractor muscles, a dev convergence described by @alisongcole.bsky.social and @ulrichtechnau.bsky.social.
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Reposted
A new Hydractinia single-cell atlas from the Schnitzler lab: >47K cells from feeding polyps and stolon tissue that refines major somatic cell lineages and recovers a novel population of putative immune cells – a valuable resource for the cnidarian research community and beyond! tinyurl.com/hsymSC
An updated and spatially validated somatic single-cell atlas of Hydractinia symbiolongicarpus - BMC Genomics
Single-cell RNA sequencing (scRNA-seq) has revolutionized transcriptomic research, enabling the creation of detailed tissue, organ, and species-level atlases for model organisms. In Hydractinia, a cni...
tinyurl.com
December 12, 2025 at 3:43 PM
A new Hydractinia single-cell atlas from the Schnitzler lab: >47K cells from feeding polyps and stolon tissue that refines major somatic cell lineages and recovers a novel population of putative immune cells – a valuable resource for the cnidarian research community and beyond! tinyurl.com/hsymSC
Reposted
#Archaea #ArchaeaSky #MicroSky
exceptional work, hiro & team 👏👏👏
it's wonderful to see 𝘓. 𝘰𝘴𝘴𝘪𝘧𝘦𝘳𝘶𝘮 dancing. live videos reveal so much more than stills!
ALT source: www.biorxiv.org/content/10.1...
exceptional work, hiro & team 👏👏👏
it's wonderful to see 𝘓. 𝘰𝘴𝘴𝘪𝘧𝘦𝘳𝘶𝘮 dancing. live videos reveal so much more than stills!
ALT source: www.biorxiv.org/content/10.1...
December 3, 2025 at 7:54 PM
#Archaea #ArchaeaSky #MicroSky
exceptional work, hiro & team 👏👏👏
it's wonderful to see 𝘓. 𝘰𝘴𝘴𝘪𝘧𝘦𝘳𝘶𝘮 dancing. live videos reveal so much more than stills!
ALT source: www.biorxiv.org/content/10.1...
exceptional work, hiro & team 👏👏👏
it's wonderful to see 𝘓. 𝘰𝘴𝘴𝘪𝘧𝘦𝘳𝘶𝘮 dancing. live videos reveal so much more than stills!
ALT source: www.biorxiv.org/content/10.1...
Reposted
And another Asgard paper. Cells in motion! Wow! www.biorxiv.org/content/10.1...
Dynamic protrusions mediate unique crawling motility in Asgard Archaea (Promethearchaeota)
Crawling motility is a hallmark of eukaryotic cells and requires a dynamic actin cytoskeleton, regulated adhesion, and spatially organized signalling pathways. Asgard archaea (phylum Promethearchaeota...
www.biorxiv.org
December 2, 2025 at 5:04 PM
And another Asgard paper. Cells in motion! Wow! www.biorxiv.org/content/10.1...
Reposted
Revolutionary tracking study follows monarch butterflies to Mexico using groundbreaking technology and continent-wide collaboration monarchjointventure.org/blog/revolut...htt
Revolutionary tracking study follows monarch butterflies to Mexico…
Over 400 ultra-light transmitters deployed by over 20 partner organizations deliver unprecedented, individual-level view of monarch migration using…
monarchjointventure.org
December 2, 2025 at 6:38 PM
Revolutionary tracking study follows monarch butterflies to Mexico using groundbreaking technology and continent-wide collaboration monarchjointventure.org/blog/revolut...htt
Reposted
An Asgard Archaeon (Lokiarchaeum ossiferum) growing and retracting its arms
December 3, 2025 at 8:32 PM
An Asgard Archaeon (Lokiarchaeum ossiferum) growing and retracting its arms
Reposted
Crawling motility of Lokiarchaeum ossiferum, our favorite Asgard Archaeon.
December 3, 2025 at 8:35 PM
Crawling motility of Lokiarchaeum ossiferum, our favorite Asgard Archaeon.
Reposted
Meilenstein: Die Universität Wien ist erstmals unter den Top 100 im World University Ranking von @timeshighered.bsky.social - auf Platz 95! 🥳 Das stärkt Sichtbarkeit & internationale Vernetzung exzellenter Forschender und Studierender weltweit. #univie #THERanking 👉 www.univie.ac.at/aktuelles/pr...
October 9, 2025 at 7:21 AM
Meilenstein: Die Universität Wien ist erstmals unter den Top 100 im World University Ranking von @timeshighered.bsky.social - auf Platz 95! 🥳 Das stärkt Sichtbarkeit & internationale Vernetzung exzellenter Forschender und Studierender weltweit. #univie #THERanking 👉 www.univie.ac.at/aktuelles/pr...
Reposted
Daniel Smith, Sanford Bernstein and colleagues @sdsuresearch.bsky.social uncover the distinct impacts of human co-chaperone UNC45 paralogs on Drosophila muscle development and function.
journals.biologists.com/jcs/article/...
journals.biologists.com/jcs/article/...
November 28, 2025 at 9:21 AM
Daniel Smith, Sanford Bernstein and colleagues @sdsuresearch.bsky.social uncover the distinct impacts of human co-chaperone UNC45 paralogs on Drosophila muscle development and function.
journals.biologists.com/jcs/article/...
journals.biologists.com/jcs/article/...
Reposted
Ten days left to apply to be a @crick.ac.uk Early Career Group Leader
Closing date 27th November
www.crick.ac.uk/careers-stud...
Closing date 27th November
www.crick.ac.uk/careers-stud...
November 17, 2025 at 11:55 AM
Ten days left to apply to be a @crick.ac.uk Early Career Group Leader
Closing date 27th November
www.crick.ac.uk/careers-stud...
Closing date 27th November
www.crick.ac.uk/careers-stud...
Reposted
Three more weeks to sign up!
#CellBio community, this one is for you! Applications are open for the #LakeConference on Modeling Life from Cells to Tissues – co-hosted with Circuit Neuroscience Basel!
📆 April 20-22, 2026
📍 Seattle, USA
🔬 All career stages welcomed.
Apply to attend by 12/12: alleninstitute.org/events/aics-...
📆 April 20-22, 2026
📍 Seattle, USA
🔬 All career stages welcomed.
Apply to attend by 12/12: alleninstitute.org/events/aics-...
2026 Lake Conference: Modeling Life from Cells to Tissues
Join the Allen Institute for Cell Science and Circuit Neuroscience Basel in Seattle, Washington, April 20–22, 2026, for a 3 day conference, Modeling...
alleninstitute.org
November 21, 2025 at 8:18 AM
Three more weeks to sign up!
Reposted
Re-upping this with a Bluetorial in a shameless act of self-promotion. 1/n
Cell cycle-driven transcriptome maturation confers multilineage competence to cardiopharyngeal progenitors
Wei Wang, @lionlchristiaen.bsky.social and colleagues
www.embopress.org/doi/full/10....
Wei Wang, @lionlchristiaen.bsky.social and colleagues
www.embopress.org/doi/full/10....
November 15, 2025 at 8:15 AM
Re-upping this with a Bluetorial in a shameless act of self-promotion. 1/n
Reposted
An adventurer, a biologist, a maverick and philosopher. 100 years after Rupert Riedl's birth, biologists at #univie are reflecting on how his systems theory of life contributed to evolutionary biology. 🎂⤵️
Rupert Riedl's intellectual legacy at the University of Vienna
An adventurer, a biologist, a maverick and philosopher. One hundred years after Rupert Riedl's birth, biologists at the University of Vienna reflect on how his systems theory of life contributed to ev...
rudolphina.univie.ac.at
November 12, 2025 at 10:10 AM
An adventurer, a biologist, a maverick and philosopher. 100 years after Rupert Riedl's birth, biologists at #univie are reflecting on how his systems theory of life contributed to evolutionary biology. 🎂⤵️
Reposted
“At 15, he was ranked last out of 250 students in a notorious biology report. His teacher wrote: “He will not listen but will insist on doing his work in his own way. I believe he has ideas about becoming a scientist; on his present showing, this is quite ridiculous.”
John Gurdon obituary: Biologist who made cloning possible
He showed that specialized cells retain the genes to form an organism.
www.nature.com
October 22, 2025 at 1:41 AM
“At 15, he was ranked last out of 250 students in a notorious biology report. His teacher wrote: “He will not listen but will insist on doing his work in his own way. I believe he has ideas about becoming a scientist; on his present showing, this is quite ridiculous.”
Reposted
Oben: Die Rue de Rivoli in Paris heute.
Unten: Die Rue de Rivoli 1983.
Und nein, die Autos fahren nicht einfach woanders. Sie haben sich in Luft aufgelöst, weil die Autofahrer zu Fahrradfahrern geworden sind.
Liebe alles daran❤️
Unten: Die Rue de Rivoli 1983.
Und nein, die Autos fahren nicht einfach woanders. Sie haben sich in Luft aufgelöst, weil die Autofahrer zu Fahrradfahrern geworden sind.
Liebe alles daran❤️
October 10, 2025 at 7:28 AM
Oben: Die Rue de Rivoli in Paris heute.
Unten: Die Rue de Rivoli 1983.
Und nein, die Autos fahren nicht einfach woanders. Sie haben sich in Luft aufgelöst, weil die Autofahrer zu Fahrradfahrern geworden sind.
Liebe alles daran❤️
Unten: Die Rue de Rivoli 1983.
Und nein, die Autos fahren nicht einfach woanders. Sie haben sich in Luft aufgelöst, weil die Autofahrer zu Fahrradfahrern geworden sind.
Liebe alles daran❤️
Reposted
A Nobel-winning scientist of great modesty and humour, John Gurdon died on 7 Oct. Not only did he make a discovery that laid the foundations for stem cell research, he also created one of the best environments for research at the Wellcome/CRUK Gurdon Institute wellcome.org/news/sir-joh...
Sir John Gurdon, 1933-2025 | Wellcome
A Nobel-winning scientist of great modesty and humour, John Gurdon died on 7 October. He made a discovery that opened up the field of cloning research, and created one of the best environments for res...
wellcome.org
October 9, 2025 at 1:39 PM
A Nobel-winning scientist of great modesty and humour, John Gurdon died on 7 Oct. Not only did he make a discovery that laid the foundations for stem cell research, he also created one of the best environments for research at the Wellcome/CRUK Gurdon Institute wellcome.org/news/sir-joh...
Reposted
Happy to share the Biodiversity Cell Atlas white paper, out today in @nature.com. We look at the possibilities, challenges, and potential impacts of molecularly mapping cells across the tree of life.
www.nature.com/articles/s41...
www.nature.com/articles/s41...
September 24, 2025 at 3:12 PM
Happy to share the Biodiversity Cell Atlas white paper, out today in @nature.com. We look at the possibilities, challenges, and potential impacts of molecularly mapping cells across the tree of life.
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Reposted
Dr. Jane Goodall filmed an interview with Netflix in March 2025 that she understood would only be released after her death.
October 5, 2025 at 9:08 AM
Dr. Jane Goodall filmed an interview with Netflix in March 2025 that she understood would only be released after her death.
Reposted
Sanjay's amazing story is available on www.biorxiv.org/content/10.1... Congratulations to @sanjay-n.bsky.social, @ulrichtechnau.bsky.social and everyone else 🎉
Notch coordinates self-organization of germ layers and axial polarity in cnidarian gastruloids
Dissociation and reaggregation experiments in several animal systems have revealed the stunning capacity of self-organization. Reaggregated early gastrula cells (here called gastruloids) of the sea an...
www.biorxiv.org
September 18, 2025 at 8:12 AM
Sanjay's amazing story is available on www.biorxiv.org/content/10.1... Congratulations to @sanjay-n.bsky.social, @ulrichtechnau.bsky.social and everyone else 🎉
Just came back from a great meeting in Tutzing on the biology of basal Metazoa. Excellent talks, fantastic posters and very kind and vital community. Thanks also to our keynote speaker, Cassandra Extavour. She was the highlight of the meeting. Thanks everyone for contributing.
September 27, 2025 at 9:20 PM
Just came back from a great meeting in Tutzing on the biology of basal Metazoa. Excellent talks, fantastic posters and very kind and vital community. Thanks also to our keynote speaker, Cassandra Extavour. She was the highlight of the meeting. Thanks everyone for contributing.
Finally, Andi Denner finished his PhD. Congratulations for a a long and successful thesis work.
September 26, 2025 at 9:16 PM
Finally, Andi Denner finished his PhD. Congratulations for a a long and successful thesis work.
Reposted
Happy to be presenting our story on Nematostella self-organization :) tune in if you like to hear what organizes the organizer in cnidarian gastruloids!
www.biorxiv.org/cgi/content/...
www.biorxiv.org/cgi/content/...
September 25, 2025 at 1:41 PM
Happy to be presenting our story on Nematostella self-organization :) tune in if you like to hear what organizes the organizer in cnidarian gastruloids!
www.biorxiv.org/cgi/content/...
www.biorxiv.org/cgi/content/...
We knew that cnidarians have stunning regenerative capacities. But the molecular and cellular mechanisms underlying the self-organization of gastruloids of Nematostella surprised us. A story of cell sorting and Notch signaling. Please check out the work of Sanjay's PhD work: doi.org/10.1101/2025...
September 11, 2025 at 4:16 PM
We knew that cnidarians have stunning regenerative capacities. But the molecular and cellular mechanisms underlying the self-organization of gastruloids of Nematostella surprised us. A story of cell sorting and Notch signaling. Please check out the work of Sanjay's PhD work: doi.org/10.1101/2025...