Marios Chatzigeorgiou
@mchatzigeorgiou.bsky.social
📤 155
📥 345
📝 5
Neurobiologist, Group Leader
@msarscentre.bsky.social
https://www.chatzigeorgioulab.com/
pinned post!
Super excited for our new preprint on the role of tissue mechanics on the neurophysiology and behavior of Ciona. A tour de force by
@midlangandreas.bsky.social
and other lab members combining tension sensors, calcium imaging, optogenetic tools and of course behavior. More to come soon.
add a skeleton here at some point
7 months ago
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Fabian Rentzsch
14 days ago
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...
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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.
https://www.cell.com/current-biology/fulltext/S0960-9822%2825%2901408-3
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Océane Tournière
19 days ago
Je suis ravie d’avoir participé à la chaîne YouTube Scienticfiz, créée par Gilles Gourio et ses élèves de collège ! Une belle initiative qui met à l’honneur de nombreuses femmes ayant suivi des études scientifiques et inspire les futures générations! 👩🔬✨
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Marios Chatzigeorgiou
Lionel Christiaen, PhD (he/him/his)
28 days ago
Could not be more happy/proud/relieved to finally see this longstanding study published. Bluetorial to follow.
@msarscentre.bsky.social
Cell cycle-driven transcriptome maturation confers multilineage competence to cardiopharyngeal progenitors | The EMBO Journal
www.embopress.org/doi/full/10....
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Cell cycle-driven transcriptome maturation confers multilineage competence to cardiopharyngeal progenitors | The EMBO Journal
imageimageDuring development, multipotent cardiopharyngeal progenitors express both cardiac and pharyngeal muscle transcriptional programs. This study in the tunicate Ciona shows that cell cycle-regul...
https://www.embopress.org/doi/full/10.1038/s44318-025-00613-y?utm_source=rct_congratemailt&utm_medium=email&utm_campaign=oa_20251103&utm_content=10.1038%2Fs44318-025-00613-y
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Marios Chatzigeorgiou
Current Biology
about 1 month ago
Mind over matter, matter over mind? Check out our fine mini-special (mini by our standards) special issue on how
#brain
and
#body
interact. 🧠🕺
www.cell.com/current-biol...
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Marios Chatzigeorgiou
Society for Developmental Biology
about 1 month ago
Ascidians (Ciona intestinalis)🪸Our distant chordate cousins! 🌊 Simple sea squirts that reveal how vertebrate body plans evolved 🧬 A key model for notochord formation, neural induction, and cell lineage mapping 📸 Video by MBL Embryology 2019
#ModelMonday
#DevBio
#EvoDevo
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Pawel Burkhardt
about 1 month ago
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
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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...
https://rdcu.be/eMX3E
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Maria Sachkova
about 1 month ago
🪸 🪸 🪸 Postdoc position in my group at Bristol to study the role of venom in surviving environmental stress in corals! 🪸 Interested in venom biochemistry and coral ecology?Please apply by November 24!
@bristolbiosci.bsky.social
www.bristol.ac.uk/jobs/find/de...
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Marios Chatzigeorgiou
Lionel Christiaen, PhD (he/him/his)
about 1 month ago
See you all in
#BeautifulRoscoff
next Spring 🙌🏻
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Marios Chatzigeorgiou
Vengamanaidu Modepalli
about 1 month ago
📣 Fully-funded PhD opportunity in my Lab
@bristolbiosci.bsky.social
@bristoluni.bsky.social
🔬We will explore how coral larvae sense their environment and guide settlement. Check out the details! 👇
www.findaphd.com/phds/project...
#Coral
#SensoryEcology
#PhD
#MarineScience
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Emily Claereboudt
about 1 month ago
Tiny sea cucumbers, big mysteries! 🪱 Out sampling for my MSCA project SensHolo at the
@msarscentre.bsky.social
, at the University of Bergen, 🇳🇴— exploring how these mini echinoderms sense their world. Plus a few bonus echinoderms! 🌊✨
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Océane Tournière
about 2 months ago
Still can’t quite believe it 💫 I’ve received the L’Oréal-UNESCO For Women in Science “Jeunes Talents” France 2025 award! I’m so deeply honored — this recognition means so much to me, both as a scientist and as a woman who loves research. 💙🔬 1/3
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Kirsty Wan
about 2 months ago
Very sad to hear that Sir John Gurdon, former Master of Magdalene College, has passed away at the age of 92.
www.cam.ac.uk/research/new...
Here is a powerful reminder that you should never give up on your dreams.
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Marios Chatzigeorgiou
Michael Sars Centre
3 months ago
Huge congratulations to postdoc Guillaume Poncelet
@guillaumeponcelet.bsky.social
who was awarded a UiB Early Idea innovation grant 🤩🎉 Inspired by his work in the
@lionlchristiaen.bsky.social
lab, he will be developing a new product derived from naturally occurring compounds 🔬 Read more below ⤵️
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Michael Sars Centre researcher awarded UiB Idé innovation grant
Guillaume Poncelet, postdoctoral researcher in the Christiaen group, will receive funding from the UiB Idé innovation program to develop a novel product inspired by marine life.
https://tinyurl.com/UiBIde
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Stelios Katsanevakis
3 months ago
Our Editorial concludes a Research Topic with 26 insightful articles on how
#ecosystems
respond to human pressures &
#ClimateChange
:
www.frontiersin.org/journals/mar...
Explore the full collection:
www.frontiersin.org/research-top...
#MarineScience
#Conservation
#Biodiversity
#MarineEcology
🧪🌍🌐🌊
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Frontiers | Understanding the Response of Ecosystems to Increasing Human Pressures and Climate Change – Management Options
The human footprint on the world's oceans has grown significantly in recent years, exerting immense pressure on marine ecosystems and leading to a decline in...
https://www.frontiersin.org/research-topics/57488/understanding-the-response-of-ecosystems-to-increasing-human-pressures-and-climate-change---management-options/articles
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Matteo Ruggiu, PhD
3 months ago
This was a collaborative project with Alberto Stolfi at GeorgiaTech and
@lionlchristiaen.bsky.social
at
@nyu.edu
,
@msarscentre.bsky.social
, and
@unibergen.bsky.social
. Alberto also created a song for this paper, in the style of 80s hard rock. Check it out 🔈
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Lionel Christiaen, PhD (he/him/his)
3 months ago
Another tour-de-force paper led by Bluesky-free Alberto Stolfi, who pushed it through the finish line in his lab at Georgia Tech 🙌🏻🙏🏻 From transcription to alternative RNA splicing, AchR aggregation and neuromuscular junction formation
#Ciona
neurodevelopment at its best 🤩
@msarscentre.bsky.social
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Marios Chatzigeorgiou
Stelios Katsanevakis
3 months ago
New preprint! 🎶🌊 We built a low-cost (€50) passive acoustic toolkit for underwater recordings—robust, DIY, and ideal for
#CitizenScience
& education. Testing shows strong potential for large-scale
#soundscape
#monitoring
.
www.preprints.org/manuscript/2...
#MarineEcology
#hydroacoustics
🧪🌍🌐
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Marios Chatzigeorgiou
EvodevogenomeUB- Cañestro’s lab
3 months ago
Congrats Esteve 👏🏻👏🏻 for your excellent defense of your TFG studying how marine noise contamination affects
#Oikopleura
,
#deuteronoise
project cosupervised by
@evadevo.bsky.social
@esteeve.bsky.social
@geneticsub.bsky.social
@irbio-ub.bsky.social
@ub.edu
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Thibaut Brunet
3 months ago
New short paper from our lab
@currentbiology.bsky.social
, in which we discover of a new mode of cell motility for choanoflagellates: flagellar gliding.
www.cell.com/current-biol...
- A 🧵
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Flagellar gliding in choanoflagellates
Freire-Delgado and Brunet discover a new mode of cell motility in choanoflagellates, the closest relatives of animals. Under mild confinement, choanoflagellate move over surfaces without cell deformat...
https://www.cell.com/current-biology/fulltext/S0960-9822(25)00937-6
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Michael Sars Centre
3 months ago
"A reminder of why I fell in love with biology in the first place" 🔬✨ This summer, PhD candidate Max Jordi Makem Pekouankouang from the
@lionlchristiaen.bsky.social
lab participated in the Embryology course at
@mblscience.bsky.social
. He shares how this experience enriched his approach to science ⤵️
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A transformative embryology summer course
This summer, PhD candidate Max Jordi Makem Pekouankouang from the Christiaen group at the Michael Sars Centre attended the prestigious Embryology summer course at the Marine Biological Laboratory in W...
https://shorturl.at/ydLXh
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Marios Chatzigeorgiou
Andrew Lin
3 months ago
Excited to share our latest work - expressing the bacterial sodium channel in fly Kenyon cells surprisingly *decreases* their excitability, thanks partly to decreased endogenous sodium channels. This prevents learning and decreases odor-evoked calcium influx
doi.org/10.1113/JP28...
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Ectopic sodium channel expression decreases excitability of Drosophila Kenyon cells
Abstract figure legend: We tested the effects of expressing the bacterial voltage-gated sodium channel NaChBac in the Kenyon cells of the Drosophila memory centre, the mushroom body. NaChBac expressi...
https://doi.org/10.1113/JP288790
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Marios Chatzigeorgiou
3 months ago
Finally, the excellent postdoc work of Emmanuel Haillot is out, where he dissected the integration of Wnt, MAPK and Notch signaling in defining mesoderm and endoderm identities in the diploblast Nematostella. Strikingly similar to sea urchins.
www.nature.com/articles/s41...
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Kirsty Wan
3 months ago
Complex behaviour is not limited to animals! Here we map the entire spectrum of waveforms dynamics on a quadriflagellate single cell with 4x 70um (!)
#cilia
, to a low dimensional behavioural manifold with surprising structure!
#protistsonsky
All revealed in our new preprint
doi.org/10.1101/2025...
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Michael Sars Centre
3 months ago
Congratulations
@appygenetics.bsky.social
on a new preprint 🤩 🧪 Read the whole paper below ⤵️
add a skeleton here at some point
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Marios Chatzigeorgiou
Emily Claereboudt
3 months ago
🌊🧪 Big day at
#chemecol2025
! I presented my talk: “Chemical cues & larval behaviour in the tunicate Ciona intestinalis 🪸✨ I had the pleasure of chairing the Aquatic Chemical Ecology session — featuring amazing talks on annelids, cnidarians, oysters, and red algae. 🌿🦪🪼🪱
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Alexey Amunts
5 months ago
Our new preprint: how photoprotection is spatially coordinated with energy metabolism. Photosystem I is major source of radicals. We report EM structure of PSI in complex with superoxide dismutase SOD: direct link between energy conversion & oxidative stress defence
www.biorxiv.org/content/10.1...
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Marios Chatzigeorgiou
FocalPlane
6 months ago
🔬Our preprint list is now up on FocalPlane. This week we focus on new tools and techniques in imaging. Let us know if we are missing any recent preprints that you've enjoyed reading.
focalplane.biologists.com/2025/06/13/m...
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Microscopy preprints – new tools and techniques in imaging - FocalPlane
Microscopy preprints – new tools and techniques in imaging - News
https://focalplane.biologists.com/2025/06/13/microscopy-preprints-new-tools-and-techniques-in-imaging-17/
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Marios Chatzigeorgiou
FocalPlane
5 months ago
📢Our latest preprint list is now up on FocalPlane. This week’s list focusses on research using microscopy tools to answer questions in biology. As always, please let us know if there are other preprints that you’d like to see included.
focalplane.biologists.com/2025/06/27/m...
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Microscopy preprints - applications in biology - FocalPlane
Microscopy preprints - applications in biology - News
https://focalplane.biologists.com/2025/06/27/microscopy-preprints-applications-in-biology-16/
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Marios Chatzigeorgiou
Eamonn Wooster
5 months ago
The Predatory Intelligence Hypothesis. Happy to share this new preprint about how predator-prey interactions drive cognitive evolution and maintain cognitive variation.
ecoevorxiv.org/repository/d...
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Marios Chatzigeorgiou
Grisha Zolotarov 🐙🇺🇦
5 months ago
Suddenly ran into a sketch I’ve made for the placozoan peptidergic cells paper:
www.cell.com/cell/fulltex...
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Marios Chatzigeorgiou
Gaspar Jekely
5 months ago
In our new preprint we describe the synaptic
#connectome
of the nerve net in the ctenophore gravisensory organ. https://www.biorxiv.org/content/10.1101/2025.06.26.661250v1
#biology
#neuroscience
#ctenophore
#vem
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Alexey Amunts
5 months ago
Excited to contribute to the Mitoribosome collaborative study led by
@wredenberglab.bsky.social
in
@natcomms.nature.com
🎉 "The mitochondrial methylation potential gates mitoribosome assembly" The assembly starts before the completion of the rRNA gene cluster processing🧵
www.nature.com/articles/s41...
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Marios Chatzigeorgiou
Michael Sars Centre
6 months ago
The 4th edition of the Michael Sars Symposium was a success 🤩 A big thank you to our fantastic speakers, engaged audience and organizing team ✨ Have a look below for a throwback to the
#MSS2025
highlights! 📸⤵️
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Exploring evolution across scales at the Michael Sars Symposium 2025
The fourth edition of the Michael Sars Symposium brought together experts from a variety of research fields within biology, all united by a common theme – evolution.
https://tinyurl.com/yemdyay3
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Marios Chatzigeorgiou
Norwegian Centre for Molecular Biosciences and Medicine (NCMBM)
5 months ago
🔬 Research programmes should align with one or both of our scientific pillars: - Molecular and cellular basis of disease and therapy - Computational biology, functional genomics, and systems biology 🗓️ Deadline: 8 September 2025 👉 Find out more and apply:
tinyurl.com/yc8bb4f7
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Group Leader (282908) | University of Oslo
Job title: Group Leader (282908), Employer: University of Oslo, Deadline: Monday, September 8, 2025
https://tinyurl.com/yc8bb4f7
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Marios Chatzigeorgiou
Norwegian Centre for Molecular Biosciences and Medicine (NCMBM)
5 months ago
📣 We’re recruiting 1-2 Group Leaders! NCMBM is looking for early-career researchers ready to establish their independent research groups! 🧬 With an attractive start-up package, help us shape the future of molecular biosciences and medicine in 🇳🇴 and be part of the
@nordicembl.bsky.social
!
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Pawel Burkhardt
5 months ago
Our new paper is out: "The 3D architecture of the ctenophore aboral organ & the evolution of complex integrative centers in animals. We reveal a remarkable cell type diversity, nerve net condensation, a multilayered circuit & gene expression profiles.
www.biorxiv.org/content/10.1...
#ctenophores
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Michael Sars Centre
5 months ago
We are thrilled to announce the launch of the Michael Sars Visitors Program! ✨🧪 To spark new connections, we are opening our doors to visiting researchers who wish to conduct a project in
#SunnyBergen
. Applications are open, help us spread the word!
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Introducing the Michael Sars Visitors Program
The Michael Sars Centre is launching a Visitors Program designed to foster scientific exchange and collaborations across disciplines.
https://tinyurl.com/MSVisitorsProgram
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Marios Chatzigeorgiou
Michael Sars Centre
5 months ago
It was an honor to attend a lecture by Christian Sardet
@cellsandplankton.bsky.social
today 👏 Christian took us on a journey through the history of science and art over the past 200 years, and showed some of his own work documenting beautiful planktonic organisms 🦠 Thank you for a fantastic talk!
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Marios Chatzigeorgiou
Yanlan Mao
6 months ago
Come see this, in collaboration with
#datascaperealities
www.datascaperealities.com
add a skeleton here at some point
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Marios Chatzigeorgiou
Michael Sars Centre
6 months ago
For the second session on Molecular Machines, Jingwei Xu
@xujwet.bsky.social
@ethz.ch
and Ross Waller
@cambiochem.bsky.social
gave stunning talks on Asgard archaeon and parasitic algae 🦠✨
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Marios Chatzigeorgiou
Michael Sars Centre
6 months ago
What a fantastic morning at
#MSS2025
🤩 After an opening by BIO Dept. head
@unibergen.bsky.social
Ståle Ellingsen, three amazing talks by
@lowelab.bsky.social
, Georgia Rapti
@embl.org
and Camila Esguerra
@ncmbm.bsky.social
on System Evolution 👏
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Marios Chatzigeorgiou
Max Planck Institute of Animal Behavior
6 months ago
Move over, starling murmurations. There’s a slimier, squirmier collective behavior in town. It's a living, twisting tower of worms. Everybody, meet the wormuration 🪱🪱 Latest paper by Daniela Perez, Serena Ding and team
@uni-konstanz.de
Paper:
doi.org/10.1016/j.cu...
youtube.com/shorts/F8QVc...
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Have you ever seen a worm tower?
YouTube video by Max Planck Institute of Animal Behavior
https://youtube.com/shorts/F8QVcrjqrNI?si=9gh5KqPgKmaIAerb
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Marios Chatzigeorgiou
Sutherland Lab
6 months ago
Introducing a contender for Most Elegant Animal in the Ocean: the Appendicularian! In Oct. 2023, Terra Hiebert and collaborators Anne Thompson and Carey Sweeney
@bluewaterlab.bsky.social
went to the
@msarscentre.bsky.social
in Bergen, Norway to study appendicularian feeding selectivity.
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Marios Chatzigeorgiou
Michael Sars Centre
6 months ago
#MSS2025
kicks-off tomorrow morning 🤩 Last but not least in this speaker lineup reveal, our very own Yuhong Wang will share her work on the evolution of ionotropic glutamate receptors in bilaterians. We are looking forward to her talk 👏
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Christian Drerup
6 months ago
🚨 New paper alert! 👀 In our new opinion piece in TREE
@cp-trendsecolevo.bsky.social
, we propose
#cephalopods
as model systems to investigate the link between tactical
#deception
and
#cognition
in animals 🐙🦑🪄✨🧠 Read the paper here: 🔗
www.cell.com/trends/ecolo...
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Tactical deception in cephalopods: a new framework for understanding cognition
Many animals rely on deception, including signalling misinformation, to gain advantages over others. While many deceptive strategies rely on deterministic patterns or conditioning, some taxa can flexi...
https://www.cell.com/trends/ecology-evolution/fulltext/S0169-5347(25)00128-4
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Marios Chatzigeorgiou
Emily Claereboudt
6 months ago
💡 Submit your abstract here: 👉
scienceevents.eventsair.com/isce-apace-2...
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Abstracts - 2025 Joint Conference of the International Society of Chemical Ecology and the Asia-Pacific Association of Chemical Ecologists - Christchurch Town Hall
https://scienceevents.eventsair.com/isce-apace-2025/abstracts
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Marios Chatzigeorgiou
Emily Claereboudt
6 months ago
📣🌊 Calling on all aquatic chemical ecologists! 🌿🐠 Join us at
@chemicalecology.bsky.social
conference in Christchurch, New Zealand 🇳🇿 , Aug 18–22! I will be chairing the Aquatic Chem Ecol session — send us your abstracts! Submissing in link below👇 📅 Deadline: May 31 Let’s make some waves in NZ! 💧🌏
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Marios Chatzigeorgiou
Michael Sars Centre
7 months ago
We are very proud to share that the Centre's Appendicularian facility and head engineer/Oikopleura whisperer Anne Aasjord
@aaasjord.bsky.social
from
@appygenetics.bsky.social
are featured in a 🧪 documentary produced by
@warholmfilm.bsky.social
in collaboration with NORCE 🤩👏
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Michael Sars Centre Appendicularian facility featured in a short documentary
Head engineer Anne Aasjord collaborated with researchers at NORCE on a project to better understand the ecological relevance of the small planktonic animals. The work was recently highlighted in a doc...
https://tinyurl.com/y5fw34f3
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Marios Chatzigeorgiou
Patrick Steinmetz
7 months ago
🧪Getting out of the comfort zone at the Keystone Metabolism conference. With
@ktgarschall.bsky.social
from
@msarscentre.bsky.social
at
@keystonesymposia.bsky.social
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