Stem Cells, Regeneration & Evolution
@stemdevevo.bsky.social
Eve GAZAVE lab @IJMonod - Stem Cells, Regeneration and Evolution using the annelid Platynereis dumerilii
Pinned
Congrats Dr Zoe Atzin Velasquillo Ramirez, we are all very proud of you !
Reposted by Stem Cells, Regeneration & Evolution
📢 Institut Jacques Monod Seminar
📅 December 12th
📍 IJM
Invited by the @stemdevevo.bsky.social Lab , Mélanie Débiais-Thibaud ( @isemevol.bsky.social ) will present the Institut Jacques Monod seminar «The vertebrate skeleton through the eye of a cartilaginous fish»
➡️ buff.ly/ffSs3Zu
📅 December 12th
📍 IJM
Invited by the @stemdevevo.bsky.social Lab , Mélanie Débiais-Thibaud ( @isemevol.bsky.social ) will present the Institut Jacques Monod seminar «The vertebrate skeleton through the eye of a cartilaginous fish»
➡️ buff.ly/ffSs3Zu
November 26, 2025 at 9:01 AM
📢 Institut Jacques Monod Seminar
📅 December 12th
📍 IJM
Invited by the @stemdevevo.bsky.social Lab , Mélanie Débiais-Thibaud ( @isemevol.bsky.social ) will present the Institut Jacques Monod seminar «The vertebrate skeleton through the eye of a cartilaginous fish»
➡️ buff.ly/ffSs3Zu
📅 December 12th
📍 IJM
Invited by the @stemdevevo.bsky.social Lab , Mélanie Débiais-Thibaud ( @isemevol.bsky.social ) will present the Institut Jacques Monod seminar «The vertebrate skeleton through the eye of a cartilaginous fish»
➡️ buff.ly/ffSs3Zu
Reposted by Stem Cells, Regeneration & Evolution
1/5
🚨🚨 preprint alert! 🚨🚨
I wish to introduce CARDIB, not the singer, but the protein.
CARDIB=CARD Inhibitory Binding protein.
In our new work we discover this antiviral protein that is found in all Anthozoa (sea anemones and corals 🪸) but not in other animals.
www.biorxiv.org/content/10.1...
🚨🚨 preprint alert! 🚨🚨
I wish to introduce CARDIB, not the singer, but the protein.
CARDIB=CARD Inhibitory Binding protein.
In our new work we discover this antiviral protein that is found in all Anthozoa (sea anemones and corals 🪸) but not in other animals.
www.biorxiv.org/content/10.1...
An ancient anthozoan protein reveals an alternative evolutionary path of antiviral signaling
How antiviral immunity first arose in animals is a central question in evolutionary biology. Using the sea anemone Nematostella vectensis, we identify CARDIB, a previously uncharacterized gene located...
www.biorxiv.org
November 25, 2025 at 12:06 PM
1/5
🚨🚨 preprint alert! 🚨🚨
I wish to introduce CARDIB, not the singer, but the protein.
CARDIB=CARD Inhibitory Binding protein.
In our new work we discover this antiviral protein that is found in all Anthozoa (sea anemones and corals 🪸) but not in other animals.
www.biorxiv.org/content/10.1...
🚨🚨 preprint alert! 🚨🚨
I wish to introduce CARDIB, not the singer, but the protein.
CARDIB=CARD Inhibitory Binding protein.
In our new work we discover this antiviral protein that is found in all Anthozoa (sea anemones and corals 🪸) but not in other animals.
www.biorxiv.org/content/10.1...
Reposted by Stem Cells, Regeneration & Evolution
📣 Register to the 13th Advances in Stem Cell Biology Course #ASCBcourse at the @pasteur.fr @pasteuredu.bsky.social. Hands-on training in different models, embryonic stem cells, iPS cells and much more on #StemCells, #organoids. 🕘June22-July03, 2026
👉 shorturl.at/PyUHi
👉 shorturl.at/PyUHi
November 24, 2025 at 11:42 AM
📣 Register to the 13th Advances in Stem Cell Biology Course #ASCBcourse at the @pasteur.fr @pasteuredu.bsky.social. Hands-on training in different models, embryonic stem cells, iPS cells and much more on #StemCells, #organoids. 🕘June22-July03, 2026
👉 shorturl.at/PyUHi
👉 shorturl.at/PyUHi
Reposted by Stem Cells, Regeneration & Evolution
Very excited to see the first Beisaw lab publication out in its final form 🥳🥳 rdcu.be/ei1I7 if you’re interested in zebrafish heart regeneration and how cardiomyocytes replace the fibrotic injured tissue (spoiler alert: macrophages play an important role), then read it here 👇
Border-zone cardiomyocytes and macrophages regulate extracellular matrix remodeling to promote cardiomyocyte protrusion during cardiac regeneration
Nature Communications - Adult zebrafish are capable of heart regeneration, but how the collagenous injury site is replaced remains unclear. Here they provide an in-depth analysis of cardiomyocyte...
rdcu.be
April 23, 2025 at 5:53 PM
Very excited to see the first Beisaw lab publication out in its final form 🥳🥳 rdcu.be/ei1I7 if you’re interested in zebrafish heart regeneration and how cardiomyocytes replace the fibrotic injured tissue (spoiler alert: macrophages play an important role), then read it here 👇
Reposted by Stem Cells, Regeneration & Evolution
L'effet Matilda ou l'invisibilisation des femmes dans les découvertes scientifiques
www.radiofrance.fr/franceinter/...
www.radiofrance.fr/franceinter/...
L'effet Matilda ou l'invisibilisation des femmes dans les découvertes scientifiques
Ces femmes qui ont créé, qui ont inventé, qui ont découvert, mais qui ont été effacés de l’Histoire par leurs collègues homme, c'est ça l'effet Matilda. L’astrophysicienne Isabelle Vauglin a dirigé la...
www.radiofrance.fr
November 19, 2025 at 2:17 PM
L'effet Matilda ou l'invisibilisation des femmes dans les découvertes scientifiques
www.radiofrance.fr/franceinter/...
www.radiofrance.fr/franceinter/...
Thank you again for the invitation to participate to this exciting meeting !
Our meeting has now come to a close. Many thanks to all attendees and our outstanding speakers. See you in Paris in 2027!
#FSSCR2025
Lyon, Nov 17–19, 2025
#FSSCR2025
Lyon, Nov 17–19, 2025
November 19, 2025 at 9:04 PM
Thank you again for the invitation to participate to this exciting meeting !
Reposted by Stem Cells, Regeneration & Evolution
I’ve released a tool to sketch and edit phylogenetic trees!
yawak.jp/PhyloWeaver/
Load a Newick file and intuitively add/remove/resize branches.
Useful for quick conceptual trees, extracting subtrees, or turning ideas into Newick.
yawak.jp/PhyloWeaver/
Load a Newick file and intuitively add/remove/resize branches.
Useful for quick conceptual trees, extracting subtrees, or turning ideas into Newick.
PhyloWeaver – Interactive phylogenetic tree editor
Edit and visualize phylogenetic trees directly in your browser. PhyloWeaver lets you interactively rearrange tree topologies and export high-quality figures for publications and presentations.
yawak.jp
November 18, 2025 at 1:59 AM
I’ve released a tool to sketch and edit phylogenetic trees!
yawak.jp/PhyloWeaver/
Load a Newick file and intuitively add/remove/resize branches.
Useful for quick conceptual trees, extracting subtrees, or turning ideas into Newick.
yawak.jp/PhyloWeaver/
Load a Newick file and intuitively add/remove/resize branches.
Useful for quick conceptual trees, extracting subtrees, or turning ideas into Newick.
Reposted by Stem Cells, Regeneration & Evolution
Drawing together findings from several projects over many years, we make a case that neural cell types in the Clytia larva have two embryological origins: i-cells and ectodermal.
bioRxiv 2025.11.17.688882; doi: doi.org/10.1101/2025...
bioRxiv 2025.11.17.688882; doi: doi.org/10.1101/2025...
November 19, 2025 at 7:43 AM
Drawing together findings from several projects over many years, we make a case that neural cell types in the Clytia larva have two embryological origins: i-cells and ectodermal.
bioRxiv 2025.11.17.688882; doi: doi.org/10.1101/2025...
bioRxiv 2025.11.17.688882; doi: doi.org/10.1101/2025...
Reposted by Stem Cells, Regeneration & Evolution
Out today, our take on 6-methyladenine #6mA evolution in Eukaryotes @natgenet.nature.com. We asked a simple question, is really DNA 6mA common across the eukaryotes? The answer is "yes" if you're a unicellular eukaryote 🦠, not so if you're multicellular 🐝🌱🍄. www.nature.com/articles/s41... 1/9
Adenine DNA methylation associated with transcriptionally permissive chromatin is widespread across eukaryotes - Nature Genetics
Long-read sequencing in 18 unicellular eukaryotes reveals that 6mA is widespread across eukaryotes and is enriched at transcriptionally permissive regions, which are also marked by H3K4me3.
www.nature.com
November 18, 2025 at 12:00 PM
Out today, our take on 6-methyladenine #6mA evolution in Eukaryotes @natgenet.nature.com. We asked a simple question, is really DNA 6mA common across the eukaryotes? The answer is "yes" if you're a unicellular eukaryote 🦠, not so if you're multicellular 🐝🌱🍄. www.nature.com/articles/s41... 1/9
Reposted by Stem Cells, Regeneration & Evolution
Seahorses have a unique sex role reversal with male pregnancy involving a brood pouch, an evolutionarily novel organ. This study uses single-cell genomics and in vivo experiments to reveal the cellular basis and molecular mechanism of pouch development and diversity 🧪 www.nature.com/articles/s41...
Cellular and molecular mechanisms of seahorse male pregnancy - Nature Ecology & Evolution
Seahorses have a unique sex role reversal with male pregnancy involving the brood pouch, an evolutionarily novel organ. This study uses single-cell genomics and in vivo experiments to reveal the cellu...
www.nature.com
November 17, 2025 at 8:52 AM
Seahorses have a unique sex role reversal with male pregnancy involving a brood pouch, an evolutionarily novel organ. This study uses single-cell genomics and in vivo experiments to reveal the cellular basis and molecular mechanism of pouch development and diversity 🧪 www.nature.com/articles/s41...
Reposted by Stem Cells, Regeneration & Evolution
Our paper on the role of neurons in Nematostella head regeneration is now out at @currentbiology.bsky.social Big thank you to all collaborators, it was a pleasure!
Ectopic head regeneration after nervous system ablation in a sea anemone: Current Biology www.cell.com/current-biol...
Ectopic head regeneration after nervous system ablation in a sea anemone: Current Biology www.cell.com/current-biol...
Ectopic head regeneration after nervous system ablation in a sea anemone
Via genetic ablation of neurons, Mazloumi Gavgani et al. show that the nervous system
is essential for defining axial polarity during whole-body regeneration in the sea
anemone Nematostella vectensis.
www.cell.com
November 18, 2025 at 10:00 AM
Our paper on the role of neurons in Nematostella head regeneration is now out at @currentbiology.bsky.social Big thank you to all collaborators, it was a pleasure!
Ectopic head regeneration after nervous system ablation in a sea anemone: Current Biology www.cell.com/current-biol...
Ectopic head regeneration after nervous system ablation in a sea anemone: Current Biology www.cell.com/current-biol...
Reposted by Stem Cells, Regeneration & Evolution
Excellent talk by Eve Gazave from @stemdevevo.bsky.social on regional differences in regeneration capabilities in Platynereis dumerilii. #FSSCR2025
November 18, 2025 at 9:24 AM
Excellent talk by Eve Gazave from @stemdevevo.bsky.social on regional differences in regeneration capabilities in Platynereis dumerilii. #FSSCR2025
Reposted by Stem Cells, Regeneration & Evolution
Congrats @corderolab.bsky.social !!
Neuroendocrine control of intestinal regeneration through the vascular niche in Drosophila: Developmental Cell www.cell.com/developmenta...
Neuroendocrine control of intestinal regeneration through the vascular niche in Drosophila: Developmental Cell www.cell.com/developmenta...
Neuroendocrine control of intestinal regeneration through the vascular niche in Drosophila
Adult intestinal plasticity and tissue repair involves complex and reciprocal multicellular
interactions. Medina, Perochon, et al. report a signaling axis between hormone-producing
cells in the intest...
www.cell.com
November 17, 2025 at 10:00 PM
Congrats @corderolab.bsky.social !!
Neuroendocrine control of intestinal regeneration through the vascular niche in Drosophila: Developmental Cell www.cell.com/developmenta...
Neuroendocrine control of intestinal regeneration through the vascular niche in Drosophila: Developmental Cell www.cell.com/developmenta...
It was a pleasure ! Thank you for the invitation and for the seminar. I had great time at @igflyon.bsky.social
Very proud to have defended my HDR (« Habilitation à diriger les recherches ») at @ensdelyon.bsky.social. Many thanks to the jury for their constructive feedbacks @clairewyart.bsky.social @francoisleulier.bsky.social @FlorenceRuggiero @PaulineSpéder @stemdevevo.bsky.social @OlivierRaineteau!
November 17, 2025 at 10:07 AM
It was a pleasure ! Thank you for the invitation and for the seminar. I had great time at @igflyon.bsky.social
Reposted by Stem Cells, Regeneration & Evolution
Very proud to have defended my HDR (« Habilitation à diriger les recherches ») at @ensdelyon.bsky.social. Many thanks to the jury for their constructive feedbacks @clairewyart.bsky.social @francoisleulier.bsky.social @FlorenceRuggiero @PaulineSpéder @stemdevevo.bsky.social @OlivierRaineteau!
November 16, 2025 at 5:23 PM
Very proud to have defended my HDR (« Habilitation à diriger les recherches ») at @ensdelyon.bsky.social. Many thanks to the jury for their constructive feedbacks @clairewyart.bsky.social @francoisleulier.bsky.social @FlorenceRuggiero @PaulineSpéder @stemdevevo.bsky.social @OlivierRaineteau!
Reposted by Stem Cells, Regeneration & Evolution
NEW pub in @science.org 🥳
Is it sponges (panels A & B) or comb jellies (C & D) that root the animal tree of life?
For over 15 years, #phylogenomic studies have been divided.
We provide new evidence suggesting that...
🔗: www.science.org/doi/10.1126/...
Is it sponges (panels A & B) or comb jellies (C & D) that root the animal tree of life?
For over 15 years, #phylogenomic studies have been divided.
We provide new evidence suggesting that...
🔗: www.science.org/doi/10.1126/...
November 13, 2025 at 8:34 PM
NEW pub in @science.org 🥳
Is it sponges (panels A & B) or comb jellies (C & D) that root the animal tree of life?
For over 15 years, #phylogenomic studies have been divided.
We provide new evidence suggesting that...
🔗: www.science.org/doi/10.1126/...
Is it sponges (panels A & B) or comb jellies (C & D) that root the animal tree of life?
For over 15 years, #phylogenomic studies have been divided.
We provide new evidence suggesting that...
🔗: www.science.org/doi/10.1126/...
Intéressé ? N’hésitez pas à nous contacter pour les aspects recherches !
#JobOffer
💼 Un poste susceptible d’être vacant de Maitre de Conférences en neurobiologie devrait s’ouvrir pour la rentrée 2026
L’équipe Gazave @stemdevevo.bsky.social est l'une des équipes d’accueil potentielles.
➡️ Informations concernant ce poste et la procédure de candidature 🔗 buff.ly/OjEQ8yp
💼 Un poste susceptible d’être vacant de Maitre de Conférences en neurobiologie devrait s’ouvrir pour la rentrée 2026
L’équipe Gazave @stemdevevo.bsky.social est l'une des équipes d’accueil potentielles.
➡️ Informations concernant ce poste et la procédure de candidature 🔗 buff.ly/OjEQ8yp
November 13, 2025 at 6:17 PM
Intéressé ? N’hésitez pas à nous contacter pour les aspects recherches !
Reposted by Stem Cells, Regeneration & Evolution
#Regeneration in #planarians needs new tissue axes to align with existing body axes, coordinated by the dorsal-ventral boundary (DVB). Study shows the DVB is also needed for A-P axis patterning, enabling ectopic head formation independently of the anterior pole @plosbiology.org 🧪 plos.io/4nJX48t
November 12, 2025 at 9:23 AM
#Regeneration in #planarians needs new tissue axes to align with existing body axes, coordinated by the dorsal-ventral boundary (DVB). Study shows the DVB is also needed for A-P axis patterning, enabling ectopic head formation independently of the anterior pole @plosbiology.org 🧪 plos.io/4nJX48t
Reposted by Stem Cells, Regeneration & Evolution
Pleased to share our latest paper led by @tomlewin.bsky.social, now out in @currentbiology.bsky.social! We present the first chromosome-level genome of a phoronid and show that shared chromosomal fusions unite phoronids and bryozoans as sister groups.
www.cell.com/current-biol...
www.cell.com/current-biol...
November 7, 2025 at 4:21 PM
Pleased to share our latest paper led by @tomlewin.bsky.social, now out in @currentbiology.bsky.social! We present the first chromosome-level genome of a phoronid and show that shared chromosomal fusions unite phoronids and bryozoans as sister groups.
www.cell.com/current-biol...
www.cell.com/current-biol...
Reposted by Stem Cells, Regeneration & Evolution
Had the pleasure of working with @mohannad-dardiry.bsky.social to rethink what it means to develop for life. Many thanks to @dev-journal.bsky.social! @embl.org #LifelongDevSI
October 31, 2025 at 11:24 AM
Had the pleasure of working with @mohannad-dardiry.bsky.social to rethink what it means to develop for life. Many thanks to @dev-journal.bsky.social! @embl.org #LifelongDevSI
Reposted by Stem Cells, Regeneration & Evolution
Cette éponge carnivore (Chondrocladia sp. nov.) fait partie des 30 nouvelles espèces découvertes autour des îles Sandwich du Sud.
"Nous n'avons analysé que 30 % des échantillons prélevés. La confirmation de ces 30 nouvelles espèces témoigne donc d'une immense biodiversité encore inexplorée"
1/2
"Nous n'avons analysé que 30 % des échantillons prélevés. La confirmation de ces 30 nouvelles espèces témoigne donc d'une immense biodiversité encore inexplorée"
1/2
November 5, 2025 at 9:39 AM
Cette éponge carnivore (Chondrocladia sp. nov.) fait partie des 30 nouvelles espèces découvertes autour des îles Sandwich du Sud.
"Nous n'avons analysé que 30 % des échantillons prélevés. La confirmation de ces 30 nouvelles espèces témoigne donc d'une immense biodiversité encore inexplorée"
1/2
"Nous n'avons analysé que 30 % des échantillons prélevés. La confirmation de ces 30 nouvelles espèces témoigne donc d'une immense biodiversité encore inexplorée"
1/2
Reposted by Stem Cells, Regeneration & Evolution
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 Stem Cells, Regeneration & Evolution
A whole-body cell type atlas mapped into an electron microscopy volume of an annelid worm https://www.biorxiv.org/content/10.1101/2025.10.30.685666v1
October 31, 2025 at 7:32 AM
A whole-body cell type atlas mapped into an electron microscopy volume of an annelid worm https://www.biorxiv.org/content/10.1101/2025.10.30.685666v1
Reposted by Stem Cells, Regeneration & Evolution
In the spirit 👻 of Freaky Friday 🎃, here is a beautiful yet eery video of zebrafish retina development showing horizontal cells (🔵) finding their way out of the crowded amacrine (🟠) layer to settle beneath the photoreceptors. Happy #Halloween!
🎥: PhD student Rae Wong from the @nordenlab.bsky.social
🎥: PhD student Rae Wong from the @nordenlab.bsky.social
October 31, 2025 at 2:29 PM
In the spirit 👻 of Freaky Friday 🎃, here is a beautiful yet eery video of zebrafish retina development showing horizontal cells (🔵) finding their way out of the crowded amacrine (🟠) layer to settle beneath the photoreceptors. Happy #Halloween!
🎥: PhD student Rae Wong from the @nordenlab.bsky.social
🎥: PhD student Rae Wong from the @nordenlab.bsky.social