Daniel Vaulot

Daniel VAULOT

Directeur de recherche émérite

After attending the Ecole Polytechnique in Paris, the Ecole Nationale du Génie Rural and working as an engineer for a few years, I completed a PhD on the cell cycle regulation of phytoplankton under the guidance of Penny Chisholm at MIT, Cambridge, US. From 1985 to 2019, I was a researcher at CNRS, working at the Station Biologique of Roscoff (France). I initially developed applications of flow cytometry to measure picoplankton abundance in the ocean. Around 1995, I began to focus on the diversity and ecology of eukaryotic picophytoplankton developing molecular approaches such as gene cloning, metabarcoding and metagenomics. Currently my interests revolve around green algae, bolidophytes and haptophytes involved in symbioses with cyanobacteria. I  also have a keen interest in processing and analysis of large metabarcoding datasets, using in particular the R language. I created in 1998 the Roscoff Culture Collection, which is now the biggest collection in the world for marine phytoplankton. I am also maintaining the PR2 databases, a large repository of curated eukaryotic 18S rRNA sequences and metabarcodes.

I have served as an editor for the Journal of Phycology, Aquatic Environmental Microbiology, Scientific Reports and more recently as a senior editor of the ISME Journal.

I am an Emeritus Senior Scientist at CNRS affiliated with the UMR 7144, ECOMAP team at the Station Biologique of Roscoff]. From 2018 to 2022 a Visiting Professor at the Asian School of the Environment, Nanyang Technological University, Singapore where I worked within the GEEK Lab. Since August 2023, I am a guest researcher at the University of Oslo in Norway in the Department of Biosciences, AQUA division.

Publications

Temporal dynamics and biogeography of sympagic and planktonic photosynthetic microbial eukaryotes during the under-ice Arctic bloom

Clarence Wei Hung Sim, Catherine Gérikas Ribeiro, Florence Le Gall, Ian Probert, Priscilla Gourvil, et al.. Temporal dynamics and biogeography of sympagic and planktonic photosynthetic microbial eukaryotes during the under-ice Arctic bloom. ISME Communications, 2025, ⟨10.1093/ismeco/ycaf075⟩. ⟨hal-05066936⟩

Towards a trait-based framework for protist ecology and evolution

Mahwash Jamy, Pierre Ramond, David Bass, Javier del Campo, Micah Dunthorn, et al.. Towards a trait-based framework for protist ecology and evolution. Trends in Microbiology, 2025, ⟨10.1016/j.tim.2025.08.008⟩. ⟨hal-05273467⟩

A novel taxonomic database for eukaryotic mitochondrial cytochrome oxidase subunit I gene (eKOI), with a focus on protists diversity

Rubén González-Miguéns, Àlex Gàlvez-Morante, Margarita Skamnelou, Meritxell Antó, Elena Casacuberta, et al.. A novel taxonomic database for eukaryotic mitochondrial cytochrome oxidase subunit I gene (eKOI), with a focus on protists diversity. Database - The journal of Biological Databases and Curation, 2025, 2025, ⟨10.1093/database/baaf057⟩. ⟨hal-05286436⟩

The community of marine alveolate parasites in the Atlantic inflow to the Arctic Ocean is structured by season, depth, and water mass

Elianne Egge, Daniel Vaulot, Aud Larsen, Bente Edvardsen. The community of marine alveolate parasites in the Atlantic inflow to the Arctic Ocean is structured by season, depth, and water mass. Arctic Science, 2025, 11, pp.1-16. ⟨10.1139/as-2024-0016⟩. ⟨hal-05286536⟩

Arctic phytoplankton microdiversity across the marginal ice zone: Subspecies vulnerability to sea-ice loss

Catherine Gérikas Ribeiro, Adriana Lopes dos Santos, Nicole Trefault, Dominique Marie, Connie Lovejoy, et al.. Arctic phytoplankton microdiversity across the marginal ice zone: Subspecies vulnerability to sea-ice loss. Elementa: Science of the Anthropocene, 2024, 12 (1), ⟨10.1525/elementa.2023.00109⟩. ⟨hal-04807771⟩

Temporal dynamics and biogeography of sympagic and planktonic autotrophic microbial eukaryotes during the under-ice Arctic bloom

Clarence Wei Hung Sim, Catherine Gerikas Ribeiro, Florence Le Gall, Ian Probert, Priscillia Gourvil, et al.. Temporal dynamics and biogeography of sympagic and planktonic autotrophic microbial eukaryotes during the under-ice Arctic bloom. 2024. ⟨hal-04807777⟩