Daniel Vaulot
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daniel-vaulot.bsky.social
Daniel Vaulot
@daniel-vaulot.bsky.social
Biological oceanographer focusing on marine protists. Developing the PR2 databases for metabarcoding: https://pr2-database.org

Emeritus at CNRS (SBR, Roscoff) and Guest Investigator at the University of Oslo (AQUA section, IBV).
https://daniel-vaulot.fr
Reposted by Daniel Vaulot
Fantastic work done with a very large number of RCC strains.
🚨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...
November 3, 2025 at 10:48 AM
Reposted by Daniel Vaulot
Another piece of fascinating work done with RCC strains.
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
November 3, 2025 at 10:49 AM
Reposted by Daniel Vaulot
We have added more than 900 new GenBank sequences to the RCC database that are linked to the web page of the corresponding strains.
October 29, 2025 at 10:10 AM
New version of PR2 that now includes the eKOI coi database recently published.
Version 5.1.1 of the PR2 database has been released.

The major novelty is the inclusion of the recently published eKOI database (coi gene- doi.org/10.1093/data...) in the web interface. The 18S rRNA database is not changed so you can use 5.1.0 or 5.1.1 for metabarcode annotations
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
doi.org
October 28, 2025 at 9:11 AM
Reposted by Daniel Vaulot
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
Primer database <div> <img src="pr2_logo.png" width="80"/> The PR2 primer database - v. 2.1.0 </div>
app.pr2-primers.org
October 28, 2025 at 9:02 AM
Reposted by Daniel Vaulot
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
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
academic.oup.com
October 20, 2025 at 8:27 AM
Reposted by Daniel Vaulot
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
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…
www.sciencedirect.com
October 20, 2025 at 8:30 AM
Reposted by Daniel Vaulot
The lost art of scientific illustration:
from August Brauer's deep-sea fish
October 19, 2025 at 9:00 AM
Reposted by Daniel Vaulot
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
MetaPR2
app.metapr2.org
October 6, 2025 at 3:28 PM
Reposted by Daniel Vaulot
A paper just came out in Science about giant photosystem complex in Gephyrocapsa huxleyi RCC6660 www.science.org/doi/full/10....
www.science.org
September 15, 2025 at 1:09 PM
Reposted by Daniel Vaulot
A new video from the MarinnoNET proejct to which RCC is a partner.

www.youtube.com/watch?v=xkD8...
MARINNONET Project video
YouTube video by Juan Luis Gomez Pinchetti
www.youtube.com
September 15, 2025 at 7:59 AM
It was so nice and so fulfilling to interact with you both...
So proud of Dr Sim and Dr Ong!! What a privilege I had to be your advisor. Thank you for the trust! Excited to see your next scientific adventures!! 😍😍 @biovitenskap.bsky.social
July 30, 2025 at 6:04 PM
Very nice led by Clarence and Adriana...
What’s thriving under Arctic sea ice? We tracked photosynthetic protists during the Arctic UIB,revealing a shift from polar to polar-temperate taxa & spotlighting overlooked groups!Great team & Dr. Sim effort! @biovitenskap.bsky.social @roscoff-collection.bsky.social academic.oup.com/ismecommun/a...
June 28, 2025 at 2:42 PM
Reposted by Daniel Vaulot
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/...
June 20, 2025 at 10:52 AM
Reposted by Daniel Vaulot
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
June 9, 2025 at 12:59 PM
Reposted by Daniel Vaulot
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
May 27, 2025 at 7:26 AM
Fantastic work led by Hie Lim, my office neighbour for 4 years in Singapore
May 16, 2025 at 7:58 AM
Reposted by Daniel Vaulot
Join us @thembauk.bsky.social in Plymouth for the 4th edition of the Advances in Coccolithophore Research
🌊 🔬🦠🧪📈

⚠️Register Now: shorturl.at/ly1LT
#Coccolithophores #protistsonsky

Coccolithophore research on: Biogeochemistry, Cell Biology, Climate Change, Ecosystems
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.
shorturl.at
May 16, 2025 at 1:18 AM
Reposted by Daniel Vaulot
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.
May 14, 2025 at 9:53 AM
Reposted by Daniel Vaulot
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...
May 8, 2025 at 1:38 PM
Very nice work led by Miguel
Now published online in Current Biology! www.cell.com/current-biol...
May 7, 2025 at 10:15 AM
Reposted by Daniel Vaulot
🚗🚌🚲 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
Cities Moving
How do people travel to work in your city? Explore the model share data for over 800 cities in the world.
bit.ly
May 5, 2025 at 7:57 AM