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Daniel Vaulot

@daniel-vaulot.bsky.social
1.8K followers 734 following 95 posts

Biological oceanographer focusing on marine protists. Developing the PR2 databases for metabarcoding: pr2-database.org Emeritus at CNRS (SBR, Roscoff) and Guest Investigator at the University of Oslo (AQUA section, IBV). daniel-vaulot.fr

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Daniel Vaulot @daniel-vaulot.bsky.social · 25/08/2026
New paper: Sim, C. W. H., Walde, M., Strindberg, H., Kaur, A., Le Panse, S., Gourvil, P., Jahren, J., Vaulot, D., & Lopes dos Santos, A. (2026). Labyrinthula merlionensis sp. nov. : A Novel Labyrinthulid Infecting Marine Diatoms. J. of Eukaryotic Microbiology, 73, e70111. doi.org/10.1111/jeu....
doi.org
<fi>Labyrinthula merlionensis</fi> sp. nov.: A Novel Labyrinthulid Infecting Marine Diatoms
Labyrinthulomycetes are a class of fungus-like heterotrophic protists from the Stramenopiles lineage, recognized for their ecological role as decomposers and contributors to nutrient cycling. They co...
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Daniel Vaulot @daniel-vaulot.bsky.social · 25/08/2026
New paper: Arañó-Ansola et al. (2026). Evaluating 18S Phylogenetic Placement Accuracy to Uncover Hidden Diversity in Non-Bilaterian Animals. Environmental DNA, 8(4), e70350. doi.org/10.1002/edn3...
doi.org
Evaluating <fc>18S</fc> Phylogenetic Placement Accuracy to Uncover Hidden Diversity in Non‐Bilaterian Animals
We assembled the largest curated non-bilaterian 18S reference dataset and demonstrate that barcode choice strongly influences phylogenetic placement accuracy. Full-length 18S provides the most robust...
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The PR2 database @pr2-database.bsky.social · 01/07/2026
Major update of the metaPR2 database with 120 new datasets and more than 18,000 samples. pr2-database.org/post/news/20...
pr2-database.org
metaPR2 version 4.0.0 | The PR2 databases
Adding 120 datasets to the database.
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John Dolan @tintinnman.bsky.social · 12/05/2026
Over the last nearly 100 years, these folks have made remarkable contributions to our knowledge of the microscopic wonders, Tintinnid Ciliates! Find out about these folks: ejournals.eu/en/journal/a...
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Roscoff Culture Collection @roscoff-collection.bsky.social · 12/05/2026
Rencontre Immersion - 28/04/2026. You can find the article (in French) here: www.campusmer.fr/actualites-1... and a movie here : www.youtube.com/watch?v=jXzs...
campusmer.fr
15ᵉ Rencontre Immersion : au cœur des ressources marines à la Station biologique de Roscoff
Derniers articles d'actualité des acteurs sciences et technologies du Campus mondial de la mer, en Finistère (Roscoff, Morlaix, Brest, Quimper, Concarneau, Lorient)
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Marie Walde 🌊🦠🔬 @mariescopy.bsky.social · 27/03/2026
Fun workshop coming up in Roscoff. You can learn building your own low-cost microscopes. Smart DIY Microscopy for Marine Biology 3-5 June 2026 🔬🌊🦠 Application deadline April 02 www.sb-roscoff.fr/en/workshop-... @embrc-france.bsky.social @gdrimabio.bsky.social @sbroscoff.bsky.social #EnderScope
sb-roscoff.fr
Workshop "Smart DIY Microscopy for Marine Biology" du 3-5 June 2026
This hands-on workshop introduces the EnderScope, a low-cost, open-source microscope built from a 3D printer for marine and environmental imaging.
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Ramon Massana @rmassanam.bsky.social · 26/03/2026
Very excited to present our new project #BYGENEX, an @ERC_Research Advanced Grant! During the next five years we will be studying the genetic mechanisms that govern the phagocytosis of bacteria by protists @icmcsic.bsky.social
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Daniel Vaulot @daniel-vaulot.bsky.social · 27/03/2026
New article on #protist global distributions combining the #Mixoplankton and #metaPR2 databases with revised functional annotations led by @lusantof.bsky.social, Michaela E. Larsson, and Suzana Leles with Aditee Mitra and Emile Faure. Now available on Ocean Microbiology rdcu.be/fanlx
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Roscoff Culture Collection @roscoff-collection.bsky.social · 23/03/2026
Plongée au cœur des ressources marines de la Station Biologique de Roscoff : de l’aquarium à la culture www.campusmer.fr/agenda-renco...
campusmer.fr
Rencontres Immersion : Station Biologique de Roscoff
Les évènements organisés par et pour les acteurs sciences technologies marines du Campus mondial de la mer, en Finistère (Roscoff, Morlaix, Brest, Quimper, Concarneau, Lorient)
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The PR2 database @pr2-database.bsky.social · 27/02/2026
Docker containers are now available for the three PR2 applications: - pr2-database: reférence database - pr2-primers: primer database and analysis - metapr2: metabarcode database and visualization. This by far the easiest way to use these databases on your computer. hub.docker.com/repositories...
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The PR2 database @pr2-database.bsky.social · 05/02/2026
For those of you who are using metaPR2 extensively, a good alternative to installing the R package which can cause trouble because of dependencies, you can try the newly available docker container: hub.docker.com/repository/d...
hub.docker.com
Using Docker for work? We recommend signing in with your work email address.
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David Ho @davidho.bsky.social · 03/02/2026
👀
lemonde.fr
Paris prosecutors raid French offices of Elon Musk's X
The search is part of a preliminary investigation into a range of alleged offenses, including reports that the AI chatbot Grok helped disseminate Holocaust denial content and sexual deepfakes.
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Fabien Burki @fburki.bsky.social · 18/12/2025
Just on time for the holidays! Happy to share the published version of the discovery of leptophytes, a new deep-branching and widespread group of microalgae based on plastid MAGs (ptMAGs). Now with additional support from a mitochondrial MAG (mtMAG) of leptophytes. www.nature.com/articles/s41...
nature.com
Identification of a deep-branching lineage of algae using environmental plastid genomes - Nature Communications
Here, the authors leverage data from the Tara Oceans expeditions to perform a phylogeny-guided plastid genome-resolved metagenomic survey and provide 660 non-redundant plastid genomes from marine alga...
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The PR2 database @pr2-database.bsky.social · 23/11/2025
Using PR2 www.nature.com/articles/s41...
nature.com
Rare microbial relict sheds light on an ancient eukaryotic supergroup - Nature
The discovery of an unusual protist named Solarion arienae, which has a mitochondrial genome with some intriguing features, provides insight into the early radiation of eukaryotic groups.
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Daniel Vaulot @daniel-vaulot.bsky.social · 14/11/2025
Superb pictures...
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Roscoff Culture Collection @roscoff-collection.bsky.social · 03/11/2025
Fantastic work done with a very large number of RCC strains.
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Roscoff Culture Collection @roscoff-collection.bsky.social · 03/11/2025
Another piece of fascinating work done with RCC strains.
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Daniel Vaulot @daniel-vaulot.bsky.social · 29/10/2025
Superbe....
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Roscoff Culture Collection @roscoff-collection.bsky.social · 29/10/2025
We have added more than 900 new GenBank sequences to the RCC database that are linked to the web page of the corresponding strains.
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Daniel Vaulot @daniel-vaulot.bsky.social · 28/10/2025
New version of PR2 that now includes the eKOI coi database recently published.
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The PR2 database @pr2-database.bsky.social · 28/10/2025
PR2 primers version 2.1.0 has been released. This does not include any new primer, but now the database uses the latest version of PR2 (5.1.1) to perform in silico analyses. Access here: app.pr2-primers.org
app.pr2-primers.org
Primer database <div> <img src="pr2_logo.png" width="80"/> The PR2 primer database - v. 2.1.0 </div>
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Department of Biosciences, University of Oslo @biovitenskap.bsky.social · 20/10/2025
New publication: "A novel taxonomic database for eukaryotic mitochondrial cytochrome oxidase subunit I gene #eKOI, with a focus on #protists diversity" with Daniel Vaulot @daniel-vaulot.bsky.social from @biovitenskap.bsky.social Published in Database by @oxfordacademic.bsky.social
academic.oup.com
A novel taxonomic database for eukaryotic mitochondrial cytochrome oxidase subunit I gene (eKOI), with a focus on protists diversity
Abstract. Metabarcoding has emerged as a robust method for assessing biodiversity patterns by retrieving environmental DNA directly from ecosystems. While
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Department of Biosciences, University of Oslo @biovitenskap.bsky.social · 20/10/2025
New publication: "Towards a trait-based framework for #protist ecology and evolution" with Daniel Vaulot @daniel-vaulot.bsky.social from @biovitenskap.bsky.social Published in Trends in Microbiology @cp-trendsmicrobiol.bsky.social by @cellpress.bsky.social
sciencedirect.com
Towards a trait-based framework for protist ecology and evolution
Protists comprise the vast majority of eukaryotic genetic and functional diversity. While they have traditionally been difficult to study due to their…
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John Dolan @tintinnman.bsky.social · 19/10/2025
The lost art of scientific illustration: from August Brauer's deep-sea fish
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The PR2 database @pr2-database.bsky.social · 06/10/2025
metaPR2 version 3.0 has just been released. Here are the major changes: - Metabarcodes (ASVs) are now annotated with the latest version of the PR2 reference sequence database (5.1.0). - 8 new published datasets have been added from the Arctic and from the South West Pacific. app.metapr2.org
app.metapr2.org
MetaPR2
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Roscoff Culture Collection @roscoff-collection.bsky.social · 15/09/2025
A paper just came out in Science about giant photosystem complex in Gephyrocapsa huxleyi RCC6660 www.science.org/doi/full/10....
science.org
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Roscoff Culture Collection @roscoff-collection.bsky.social · 15/09/2025
A new video from the MarinnoNET proejct to which RCC is a partner. www.youtube.com/watch?v=xkD8...
youtube.com
MARINNONET Project video
YouTube video by Juan Luis Gomez Pinchetti
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Daniel Vaulot @daniel-vaulot.bsky.social · 26/08/2025
I would never believe this would happen in a Canadian university☹️
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Daniel Vaulot @daniel-vaulot.bsky.social · 08/08/2025
Such statements undermine funding efforts for large scale oceanographic projects. I am sure Trump would lovet it...
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Daniel Vaulot @daniel-vaulot.bsky.social · 08/08/2025
The following statement is utterly misleading "The cost of this venture pales in comparison to running a scientific research vessel, while yielding far more information..." A bunch of random measurements will never replace a carefully planned cruise with a very large number of metadata.
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Daniel Vaulot @daniel-vaulot.bsky.social · 30/07/2025
It was so nice and so fulfilling to interact with you both...
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Daniel Vaulot @daniel-vaulot.bsky.social · 28/06/2025
Very nice led by Clarence and Adriana...
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Daniel Vaulot @daniel-vaulot.bsky.social · 20/06/2025
ASM is so US centered... mostly American authors, a few European and no one else from South America, Africa or Asia... a real shame.
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DEEMteam_Orsay @deemteam.bsky.social · 20/06/2025
We have contributed to a paper led by Kenneth Timmis on the murky world of predatory journals: enviromicro-journals.onlinelibrary.wiley.com/doi/10.1111/...
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Adriana Lopes @lopessantosadriana.bsky.social · 09/06/2025
We have an A in house with a brillant master thesis defence of Sandra Irén!!! First master student of the GEEK lab in Norway! 😍 Thanks to @maritbjorbaekmo.bsky.social and Inger Skrede for a delightful & constructive discussion. #protists #proudadvisor 🔬🧬👩‍💻 @biovitenskap.bsky.social
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Daniel Vaulot @daniel-vaulot.bsky.social · 05/06/2025
Congratulations Puri... Is the speech available anywhere ?
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Daniel Vaulot @daniel-vaulot.bsky.social · 02/06/2025
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John Dolan @tintinnman.bsky.social · 27/05/2025
Dose of Protist Art: Chatton's chapter 1952 "Classe des Dinoflagelles ou Péridiniens" in Traité de Zoologie, Tome 1A. Fig. 1 Euglena intermedia; Fig. 2 Gyrodinium melo; Fig. 3 Amphidinium corpulentum; Fig. 4 Warnowia maculata; Fig. 5 radiolarian Auloceros elegans #protistsonsky
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Daniel Vaulot @daniel-vaulot.bsky.social · 16/05/2025
Fantastic work led by Hie Lim, my office neighbour for 4 years in Singapore
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Jelena Godrijan 🫧❾🌊🦋 @godi.bsky.social · 16/05/2025
Join us @thembauk.bsky.social in Plymouth for the 4th edition of the Advances in Coccolithophore Research 🌊 🔬🦠🧪📈 <Coccolithophore emoji> ⚠️Register Now: shorturl.at/ly1LT #Coccolithophores #protistsonsky Coccolithophore research on: Biogeochemistry, Cell Biology, Climate Change, Ecosystems
shorturl.at
Advances in Coccolithophore Research 2025
The Advances in Coccolithophore Research meeting aims to bring together international early career and established coccolithophore scientists. This is a hybrid meeting hosted at the MBA, Plymouth.
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Roscoff Culture Collection @roscoff-collection.bsky.social · 14/05/2025
The RCC is participating in the MALDIBANK project. MALDIBANK’s main goal is to conceptualize a global, cloud-based, open MALDI spectra databank in order to promote identification of microorganisms.
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Jason Stajich @hyphaltip.bsky.social · 09/05/2025
usccn.org/spotlight-on...
usccn.org
Spotlight on DSMZ: Germany’s Leading Microbial Culture Collection - United States Culture Collection Network
USCCN Project Manager Dusti Gallagher and Steering Committee member Matthew Ryan (CABI) participated in the MICROBE project (The MICRObiome Biobanking (RI) Enabler) 2nd Annual Consortium Meeting held ...
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Cameron Thrash @jcamthrash.bsky.social · 08/05/2025
Deep origin of eukaryotes outside Heimdallarchaeia within Asgardarchaeota www.nature.com/articles/s41... #jcampubs
nature.com
Deep origin of eukaryotes outside Heimdallarchaeia within Asgardarchaeota - Nature
Ancestral reconstruction together with molecular dating of the last Asgard archaea and eukaryote common ancestor suggest that eukaryotes arose from the fusion of a H2-consuming archaeal host and a H2-...
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Miguel Méndez Sandín @sandinmm.eurosky.social · 08/05/2025
Despite 150+ years of Radiolaria diversity research, we have just scratched the surface. Nearly half of Radiolaria diversity might be naked hiding in plain sight! We unveiled the diversity and evolution of Radiolaria beyond "the stars of the ocean" doi.org/10.1016/j.cu...
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Fabien Burki @fburki.bsky.social · 07/05/2025
Congrats @sandinmm.bsky.social et al, very nice paper: www.cell.com/current-biol... #protistsonsky
cell.com
Extant diversity, biogeography, and evolutionary history of Radiolaria
Sandin et al. reveal a vast, overlooked molecular diversity of Radiolaria, likely skeleton-less, contrasting the traditional view of their star-shaped skeleton. Such comprehensive Radiolaria diversity...
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Daniel Vaulot @daniel-vaulot.bsky.social · 07/05/2025
Very nice work led by Miguel
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Complexity Science Hub @csh.ac.at · 05/05/2025
🚗🚌🚲 How does your city commute? Compare global travel patterns in 876 cities—from Paris to New Delhi—in this interactive viz by Liuhuaying Yang from CSH. A finalist for the 2025 Information is Beautiful Awards! Dive in 👉 bit.ly/4atdQmg #DataViz #UrbanMobility #Commuting #CityLife #Transport #Cars
bit.ly
Cities Moving
How do people travel to work in your city? Explore the model share data for over 800 cities in the world.
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Daniel Vaulot @daniel-vaulot.bsky.social · 04/05/2025
Prochlorococcus is also very difficult to grow and still it has been very early on deposited to culture collections.
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Daniel Vaulot @daniel-vaulot.bsky.social · 03/05/2025
And still, most of the isolated strains have never made it to public culture collections. A blatant example of unFAIR science...
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CNRS @cnrs.fr · 28/04/2025
Avec #ChooseCNRS, le CNRS invite les scientifiques du monde entier à rejoindre ses 28.000 chercheurs et chercheuses, dont un tiers venus de l’étranger. 🌍 Cet appel est ouvert à tous les niveaux de carrière. #RejoignezleCNRS
cnrs.fr
Choose CNRS : des opportunités pour les scientifiques étrangers
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