Omaya Dudin 𓂆 ¦🍉¦🦠¦🔬¦
@dudinlab.bsky.social
Asst. Prof. at UNIGE
Evolutionary cell biology & multicellular developmental diversity of protists.
www.dudinlab.com
#Ichthyosporea, #Multicellularity, #Evolution, #Embryo, #Development, #Protist, #UExM, #Cytoskeleton, #Actin, #Expansion #Microscopy
Evolutionary cell biology & multicellular developmental diversity of protists.
www.dudinlab.com
#Ichthyosporea, #Multicellularity, #Evolution, #Embryo, #Development, #Protist, #UExM, #Cytoskeleton, #Actin, #Expansion #Microscopy
Pinned
🚨Our collaboration with @centriolelab.bsky.social & @gautamdey.bsky.social is out today in @cp-cell.bsky.social
We show that #Expansion #Microscopy is a broad-spectrum modality for Euks, enabling 3D phenotypic maps rooted to phylogeny.
#ProtistsOnSky #SciComm #SciSky
www.cell.com/cell/fulltex...
We show that #Expansion #Microscopy is a broad-spectrum modality for Euks, enabling 3D phenotypic maps rooted to phylogeny.
#ProtistsOnSky #SciComm #SciSky
www.cell.com/cell/fulltex...
Reposted by Omaya Dudin 𓂆 ¦🍉¦🦠¦🔬¦
This is a glimpse of the cytoskeletal structures we found doing U-ExM in more than 200 species, now in Cell🤩: shorturl.at/6oHvi
Amazing collaboration between @centriolelab.bsky.social , @dudinlab.bsky.social and @gautamdey.bsky.social labs.
I believe last one is a 🕷️
#FluorescenceFriday
#Microscopy
Amazing collaboration between @centriolelab.bsky.social , @dudinlab.bsky.social and @gautamdey.bsky.social labs.
I believe last one is a 🕷️
#FluorescenceFriday
#Microscopy
November 7, 2025 at 1:35 PM
This is a glimpse of the cytoskeletal structures we found doing U-ExM in more than 200 species, now in Cell🤩: shorturl.at/6oHvi
Amazing collaboration between @centriolelab.bsky.social , @dudinlab.bsky.social and @gautamdey.bsky.social labs.
I believe last one is a 🕷️
#FluorescenceFriday
#Microscopy
Amazing collaboration between @centriolelab.bsky.social , @dudinlab.bsky.social and @gautamdey.bsky.social labs.
I believe last one is a 🕷️
#FluorescenceFriday
#Microscopy
Reposted by Omaya Dudin 𓂆 ¦🍉¦🦠¦🔬¦
An Asgard archaeon with internal membrane compartments
Brilliant study led by @fmacleod.bsky.social and Andriko von Kügelgen. Tight collaboration with @buzzbaum.bsky.social and lab. Congrats to all authors!
www.biorxiv.org/content/10.1...
Brilliant study led by @fmacleod.bsky.social and Andriko von Kügelgen. Tight collaboration with @buzzbaum.bsky.social and lab. Congrats to all authors!
www.biorxiv.org/content/10.1...
November 7, 2025 at 10:44 AM
An Asgard archaeon with internal membrane compartments
Brilliant study led by @fmacleod.bsky.social and Andriko von Kügelgen. Tight collaboration with @buzzbaum.bsky.social and lab. Congrats to all authors!
www.biorxiv.org/content/10.1...
Brilliant study led by @fmacleod.bsky.social and Andriko von Kügelgen. Tight collaboration with @buzzbaum.bsky.social and lab. Congrats to all authors!
www.biorxiv.org/content/10.1...
Reposted by Omaya Dudin 𓂆 ¦🍉¦🦠¦🔬¦
Our study, just published in #ScienceAdvances and funded by @hfspo.bsky.social, explores the post metamorphic cell composition of the sea urchin juvenile, revealing that its body is head-like. Long considered brainless creatures, they’re all brain instead!
www.science.org/doi/10.1126/...
www.science.org/doi/10.1126/...
Single-nucleus profiling highlights the all-brain echinoderm nervous system
A sea urchin is a head with a brain-like organization and a vertebrate-type retinal signature.
www.science.org
November 5, 2025 at 7:03 PM
Our study, just published in #ScienceAdvances and funded by @hfspo.bsky.social, explores the post metamorphic cell composition of the sea urchin juvenile, revealing that its body is head-like. Long considered brainless creatures, they’re all brain instead!
www.science.org/doi/10.1126/...
www.science.org/doi/10.1126/...
Reposted by Omaya Dudin 𓂆 ¦🍉¦🦠¦🔬¦
1/ Preprint alert:
🌾 The developing leaf of the wild grass Brachypodium distachyon at single-cell resolution
👉 doi.org/10.1101/2025...
A 70k-cell single-cell RNA-seq atlas of the developing grass leaf—from the shoot meristem to mature leaf tissues. @cerealcell.bsky.social @lbmountain.bsky.social
🌾 The developing leaf of the wild grass Brachypodium distachyon at single-cell resolution
👉 doi.org/10.1101/2025...
A 70k-cell single-cell RNA-seq atlas of the developing grass leaf—from the shoot meristem to mature leaf tissues. @cerealcell.bsky.social @lbmountain.bsky.social
November 5, 2025 at 12:32 PM
1/ Preprint alert:
🌾 The developing leaf of the wild grass Brachypodium distachyon at single-cell resolution
👉 doi.org/10.1101/2025...
A 70k-cell single-cell RNA-seq atlas of the developing grass leaf—from the shoot meristem to mature leaf tissues. @cerealcell.bsky.social @lbmountain.bsky.social
🌾 The developing leaf of the wild grass Brachypodium distachyon at single-cell resolution
👉 doi.org/10.1101/2025...
A 70k-cell single-cell RNA-seq atlas of the developing grass leaf—from the shoot meristem to mature leaf tissues. @cerealcell.bsky.social @lbmountain.bsky.social
Reposted by Omaya Dudin 𓂆 ¦🍉¦🦠¦🔬¦
(1/2) A new study from EMBL researchers and their collaborators provides unprecedented insights into the cellular architecture of over 200 species of plankton – tiny but ecologically critical marine organisms – using ultrastructure expansion microscopy.
Learn more: www.cell.com/cell/fulltex...
Learn more: www.cell.com/cell/fulltex...
November 4, 2025 at 8:30 AM
(1/2) A new study from EMBL researchers and their collaborators provides unprecedented insights into the cellular architecture of over 200 species of plankton – tiny but ecologically critical marine organisms – using ultrastructure expansion microscopy.
Learn more: www.cell.com/cell/fulltex...
Learn more: www.cell.com/cell/fulltex...
Reposted by Omaya Dudin 𓂆 ¦🍉¦🦠¦🔬¦
In French - Virginie on Swiss radio! 🎙️ She talks about our latest collab with @dudinlab.bsky.social and @gautamdey.bsky.social #UExM #ProtistsOnSky
📻 Interview de Virginie Hamel du @centriolelab.bsky.social pour CQFD de la #RTS: Une méthode ouvre lʹaccès à lʹarchitecture interne du #plancton #microscopie #expansion www.rts.ch/audio-podcas... @mocel.bsky.social @sciencesunige.bsky.social @dudinlab.bsky.social
Une méthode ouvre lʹaccès à lʹarchitecture interne du plancton | RTS
Une étude majeure menée par l’Université de Genève et le Laboratoire européen de biologie moléculaire, publiée dans la revue Cell, révèle l’architecture interne de plus de deux cents espèces de planct...
www.rts.ch
November 3, 2025 at 5:13 PM
In French - Virginie on Swiss radio! 🎙️ She talks about our latest collab with @dudinlab.bsky.social and @gautamdey.bsky.social #UExM #ProtistsOnSky
Reposted by Omaya Dudin 𓂆 ¦🍉¦🦠¦🔬¦
Congratulations @centriolelab.bsky.social @dudinlab.bsky.social and @gautamdey.bsky.social for your publication in @cp-cell.bsky.social: Charting the landscape of #cytoskeletal diversity in #microbial eukaryotes #Expansion #Microscopy @sciencesunige.bsky.social
www.unige.ch/medias/en/20...
Congratulations @centriolelab.bsky.social @dudinlab.bsky.social and @gautamdey.bsky.social for your publication in @cp-cell.bsky.social: Charting the landscape of #cytoskeletal diversity in #microbial eukaryotes #Expansion #Microscopy @sciencesunige.bsky.social
www.unige.ch/medias/en/20...
November 3, 2025 at 1:34 PM
Congratulations @centriolelab.bsky.social @dudinlab.bsky.social and @gautamdey.bsky.social for your publication in @cp-cell.bsky.social: Charting the landscape of #cytoskeletal diversity in #microbial eukaryotes #Expansion #Microscopy @sciencesunige.bsky.social
www.unige.ch/medias/en/20...
Congratulations @centriolelab.bsky.social @dudinlab.bsky.social and @gautamdey.bsky.social for your publication in @cp-cell.bsky.social: Charting the landscape of #cytoskeletal diversity in #microbial eukaryotes #Expansion #Microscopy @sciencesunige.bsky.social
www.unige.ch/medias/en/20...
Reposted by Omaya Dudin 𓂆 ¦🍉¦🦠¦🔬¦
📻 Interview de Virginie Hamel du @centriolelab.bsky.social pour CQFD de la #RTS: Une méthode ouvre lʹaccès à lʹarchitecture interne du #plancton #microscopie #expansion www.rts.ch/audio-podcas... @mocel.bsky.social @sciencesunige.bsky.social @dudinlab.bsky.social
Une méthode ouvre lʹaccès à lʹarchitecture interne du plancton | RTS
Une étude majeure menée par l’Université de Genève et le Laboratoire européen de biologie moléculaire, publiée dans la revue Cell, révèle l’architecture interne de plus de deux cents espèces de planct...
www.rts.ch
November 3, 2025 at 4:16 PM
📻 Interview de Virginie Hamel du @centriolelab.bsky.social pour CQFD de la #RTS: Une méthode ouvre lʹaccès à lʹarchitecture interne du #plancton #microscopie #expansion www.rts.ch/audio-podcas... @mocel.bsky.social @sciencesunige.bsky.social @dudinlab.bsky.social
Reposted by Omaya Dudin 𓂆 ¦🍉¦🦠¦🔬¦
This paper has been a must! Great collaboration with @mkrupovic.bsky.social and @yifanzhou.bsky.social, a N&V by a legend of halophilic archaea tinyurl.com/yc3dcv72, and one picture of one of our expeditions to Dallol making the cover of the November issue of @natmicrobiol.nature.com
rdcu.be/eLtCH
rdcu.be/eLtCH
November 2, 2025 at 5:52 PM
This paper has been a must! Great collaboration with @mkrupovic.bsky.social and @yifanzhou.bsky.social, a N&V by a legend of halophilic archaea tinyurl.com/yc3dcv72, and one picture of one of our expeditions to Dallol making the cover of the November issue of @natmicrobiol.nature.com
rdcu.be/eLtCH
rdcu.be/eLtCH
Reposted by Omaya Dudin 𓂆 ¦🍉¦🦠¦🔬¦
So a big day for #microeukaryote #imaging. To finish "en beaute" a small video to share the behind the scenes of this first work. Such an exciting time to be a #marine #microbiologist !!
October 31, 2025 at 3:27 PM
So a big day for #microeukaryote #imaging. To finish "en beaute" a small video to share the behind the scenes of this first work. Such an exciting time to be a #marine #microbiologist !!
Reposted by Omaya Dudin 𓂆 ¦🍉¦🦠¦🔬¦
Exciting day for the lab: our 1rst paper is officially out in @currentbiology.bsky.social 🥳 Wonderful collaboration wt @gautamdey.bsky.social showing how Cryo-ExM achieves consistent immunostaining in diverse diatoms, from the lab and the natural environment 1/n
#ProtistsOnSky
tinyurl.com/2zxaund7
#ProtistsOnSky
tinyurl.com/2zxaund7
October 31, 2025 at 3:27 PM
Exciting day for the lab: our 1rst paper is officially out in @currentbiology.bsky.social 🥳 Wonderful collaboration wt @gautamdey.bsky.social showing how Cryo-ExM achieves consistent immunostaining in diverse diatoms, from the lab and the natural environment 1/n
#ProtistsOnSky
tinyurl.com/2zxaund7
#ProtistsOnSky
tinyurl.com/2zxaund7
Reposted by Omaya Dudin 𓂆 ¦🍉¦🦠¦🔬¦
Now online! Charting the landscape of cytoskeletal diversity in microbial eukaryotes
Charting the landscape of cytoskeletal diversity in microbial eukaryotes
An imaging resource of over 200 microbial eukaryotic species provides a glimpse into the remarkable universe of cytoskeletal diversity.
dlvr.it
October 31, 2025 at 2:59 PM
Now online! Charting the landscape of cytoskeletal diversity in microbial eukaryotes
🚨Our collaboration with @centriolelab.bsky.social & @gautamdey.bsky.social is out today in @cp-cell.bsky.social
We show that #Expansion #Microscopy is a broad-spectrum modality for Euks, enabling 3D phenotypic maps rooted to phylogeny.
#ProtistsOnSky #SciComm #SciSky
www.cell.com/cell/fulltex...
We show that #Expansion #Microscopy is a broad-spectrum modality for Euks, enabling 3D phenotypic maps rooted to phylogeny.
#ProtistsOnSky #SciComm #SciSky
www.cell.com/cell/fulltex...
October 31, 2025 at 2:42 PM
🚨Our collaboration with @centriolelab.bsky.social & @gautamdey.bsky.social is out today in @cp-cell.bsky.social
We show that #Expansion #Microscopy is a broad-spectrum modality for Euks, enabling 3D phenotypic maps rooted to phylogeny.
#ProtistsOnSky #SciComm #SciSky
www.cell.com/cell/fulltex...
We show that #Expansion #Microscopy is a broad-spectrum modality for Euks, enabling 3D phenotypic maps rooted to phylogeny.
#ProtistsOnSky #SciComm #SciSky
www.cell.com/cell/fulltex...
Reposted by Omaya Dudin 𓂆 ¦🍉¦🦠¦🔬¦
New preprint out! Evolutionarily conserved transcriptional regulators control monoaminergic neuron development.
We uncover how ancient regulatory programs orchestrate the neurons that produce serotonin and dopamine across 550 million years of evolution.
doi.org/10.1101/2025...
We uncover how ancient regulatory programs orchestrate the neurons that produce serotonin and dopamine across 550 million years of evolution.
doi.org/10.1101/2025...
Evolutionarily conserved transcriptional regulators control monoaminergic neuron development
To what extent conserved developmental programs specify homologous cell types is a central question in biology. Here, we address this by focusing on reconstructing monoaminergic neuron development in ...
doi.org
October 30, 2025 at 9:42 AM
New preprint out! Evolutionarily conserved transcriptional regulators control monoaminergic neuron development.
We uncover how ancient regulatory programs orchestrate the neurons that produce serotonin and dopamine across 550 million years of evolution.
doi.org/10.1101/2025...
We uncover how ancient regulatory programs orchestrate the neurons that produce serotonin and dopamine across 550 million years of evolution.
doi.org/10.1101/2025...
Reposted by Omaya Dudin 𓂆 ¦🍉¦🦠¦🔬¦
📣 We are moving to Barcelona to join the amazing @crg.eu and explore how centrosomes & cilia work, evolve & respond to the environment. We are looking for
PhD students www.crg.eu/en/content/t...
Postdocs gimm.pt/jobs/postdoc...
Other calls to open, also for an experienced lab manager.
Get in touch!
PhD students www.crg.eu/en/content/t...
Postdocs gimm.pt/jobs/postdoc...
Other calls to open, also for an experienced lab manager.
Get in touch!
October 30, 2025 at 1:15 PM
📣 We are moving to Barcelona to join the amazing @crg.eu and explore how centrosomes & cilia work, evolve & respond to the environment. We are looking for
PhD students www.crg.eu/en/content/t...
Postdocs gimm.pt/jobs/postdoc...
Other calls to open, also for an experienced lab manager.
Get in touch!
PhD students www.crg.eu/en/content/t...
Postdocs gimm.pt/jobs/postdoc...
Other calls to open, also for an experienced lab manager.
Get in touch!
Reposted by Omaya Dudin 𓂆 ¦🍉¦🦠¦🔬¦
First neurons didn’t appear overnight. We trace their roots to ancient secretory cells - showing how lifestyle & behavior shaped the evolution of first synapses.🧠🌊 #Evolution #Neuroscience
Our latest in @natrevneuro.nature.com
Link: rdcu.be/eMX3E
@jeffcolgren.bsky.social @msarscentre.bsky.social
Our latest in @natrevneuro.nature.com
Link: rdcu.be/eMX3E
@jeffcolgren.bsky.social @msarscentre.bsky.social
The evolutionary origins of synaptic proteins and their changing roles in different organisms across evolution
Nature Reviews Neuroscience - Recent studies have shed further light on the evolutionary origins of chemical synapses, In this Review, Colgren and Burkhardt explore how ancient proteins were...
rdcu.be
October 27, 2025 at 6:48 PM
First neurons didn’t appear overnight. We trace their roots to ancient secretory cells - showing how lifestyle & behavior shaped the evolution of first synapses.🧠🌊 #Evolution #Neuroscience
Our latest in @natrevneuro.nature.com
Link: rdcu.be/eMX3E
@jeffcolgren.bsky.social @msarscentre.bsky.social
Our latest in @natrevneuro.nature.com
Link: rdcu.be/eMX3E
@jeffcolgren.bsky.social @msarscentre.bsky.social
We are growing :)
A new BIG baby has just landed. 🤩
A new BIG baby has just landed. 🤩
October 28, 2025 at 9:49 AM
We are growing :)
A new BIG baby has just landed. 🤩
A new BIG baby has just landed. 🤩
Anyone has a clue why #ATCC is so expensive ? I got a quote for 2 species, without any guarantee of growth for >1900 € ?
Just why ? these species were isolated and deposited using public money, why is it so expensive !
Just why ? these species were isolated and deposited using public money, why is it so expensive !
October 24, 2025 at 3:50 PM
Anyone has a clue why #ATCC is so expensive ? I got a quote for 2 species, without any guarantee of growth for >1900 € ?
Just why ? these species were isolated and deposited using public money, why is it so expensive !
Just why ? these species were isolated and deposited using public money, why is it so expensive !
Reposted by Omaya Dudin 𓂆 ¦🍉¦🦠¦🔬¦
“Cellular Olympics” our catalog of freeky ultra fast cellular superhero’s is freely available “Ann Rev of microbiology”
www.annualreviews.org/content/jour...
This is a compilation of world’s fastest single cell organisms - enjoy this buffet of rare delightful protists with mind bending speeds. 🧪
www.annualreviews.org/content/jour...
This is a compilation of world’s fastest single cell organisms - enjoy this buffet of rare delightful protists with mind bending speeds. 🧪
October 24, 2025 at 10:57 AM
“Cellular Olympics” our catalog of freeky ultra fast cellular superhero’s is freely available “Ann Rev of microbiology”
www.annualreviews.org/content/jour...
This is a compilation of world’s fastest single cell organisms - enjoy this buffet of rare delightful protists with mind bending speeds. 🧪
www.annualreviews.org/content/jour...
This is a compilation of world’s fastest single cell organisms - enjoy this buffet of rare delightful protists with mind bending speeds. 🧪
Reposted by Omaya Dudin 𓂆 ¦🍉¦🦠¦🔬¦
How can we see the cells that make up a living organism? Membrane-localising tags can drive fluorescent proteins to the cell's outer membrane, making their outlines visible. But the tags don't work well in all organisms. How do you find one for your species of interest? 🧵
Check our latest preprint
Check our latest preprint
A toolkit for testing membrane-localising tags across species
Transgenic markers and tools have revolutionised how we study cells and developing organisms. Some of the elements needed to construct those tools are universally applicable (e.g. fluorescent proteins...
www.biorxiv.org
October 23, 2025 at 8:16 AM
How can we see the cells that make up a living organism? Membrane-localising tags can drive fluorescent proteins to the cell's outer membrane, making their outlines visible. But the tags don't work well in all organisms. How do you find one for your species of interest? 🧵
Check our latest preprint
Check our latest preprint
Reposted by Omaya Dudin 𓂆 ¦🍉¦🦠¦🔬¦
Hot off the press! Our latest work on the evolution of facultative symbiosis in stony corals, focusing on a remarkable Mediterranean species: Oculina patagonica.
🪸 🌊
#evobio #corals #coralbiology
www.nature.com/articles/s41...
🪸 🌊
#evobio #corals #coralbiology
www.nature.com/articles/s41...
October 15, 2025 at 8:29 PM
Hot off the press! Our latest work on the evolution of facultative symbiosis in stony corals, focusing on a remarkable Mediterranean species: Oculina patagonica.
🪸 🌊
#evobio #corals #coralbiology
www.nature.com/articles/s41...
🪸 🌊
#evobio #corals #coralbiology
www.nature.com/articles/s41...
Can it go read old protistology books from early 1900, figure out how many times the name of the species in question changed and how many times it changed position in the tree ?
Today @anthropic.com released PubMed integration for Claude. No hallucinations. Just real science, real data. As a beta tester, this has been game changing— a supercharged research tool. Here are 6 prompts that will transform how you search the literature. A 🧵
www.anthropic.com/news/claude-...
www.anthropic.com/news/claude-...
Claude for Life Sciences
Discover how Claude accelerates life sciences research with new scientific connectors, skills, and improved performance for drug discovery and clinical work.
www.anthropic.com
October 21, 2025 at 5:40 AM
Can it go read old protistology books from early 1900, figure out how many times the name of the species in question changed and how many times it changed position in the tree ?
Reposted by Omaya Dudin 𓂆 ¦🍉¦🦠¦🔬¦
Zebrafish embryo undergoing gastrulation. Credit to Dr. Gopi Shah at EMBL. #ZebrafishZunday 🧪
October 19, 2025 at 9:24 AM
Zebrafish embryo undergoing gastrulation. Credit to Dr. Gopi Shah at EMBL. #ZebrafishZunday 🧪
Reposted by Omaya Dudin 𓂆 ¦🍉¦🦠¦🔬¦
Congrats @laurentformery.bsky.social
Often people ask why we chose to work on a certain problems and a simple answer for us in this case - it’s beautiful. If you want to learn the magic of building crystalline « gems » inside the body - see our latest paper at www.biorxiv.org/content/10.1...
Often people ask why we chose to work on a certain problems and a simple answer for us in this case - it’s beautiful. If you want to learn the magic of building crystalline « gems » inside the body - see our latest paper at www.biorxiv.org/content/10.1...
October 18, 2025 at 8:18 PM
Congrats @laurentformery.bsky.social
Often people ask why we chose to work on a certain problems and a simple answer for us in this case - it’s beautiful. If you want to learn the magic of building crystalline « gems » inside the body - see our latest paper at www.biorxiv.org/content/10.1...
Often people ask why we chose to work on a certain problems and a simple answer for us in this case - it’s beautiful. If you want to learn the magic of building crystalline « gems » inside the body - see our latest paper at www.biorxiv.org/content/10.1...