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Frédéric PARTENSKY

Senior scientist (CNRS Research director)
Marine microbiologist
Research Department(s)
Adaptation and Diversity in the Marine Environment
Team(s)
Team ECOMAP - Ecology of Marine Plankton

I am a senior scientist specialized in the ecology, evolution and comparative physiology of marine picocyanobacteria. I am particularly interested in studying their light-harvesting complexes, and elucidating the molecular bases of their vast pigment diversity, notably of chromatic acclimaters that can modify their pigment content to match the ambient light color. My activity also involves the expert curation databases dedicated to picocyanobacteria genomes, especially Cyanorak, an information system based on clusters of orthologous genes. 

Publications

Chromatic acclimation shapes phytoplankton biogeography

Francesco Mattei, Anna Hickman, Julia Uitz, Louison Dufour, Vincenzo Vellucci, et al.. Chromatic acclimation shapes phytoplankton biogeography. Science Advances , 2025, 11 (8), ⟨10.1126/sciadv.adr9609⟩. ⟨hal-04962714⟩

Competition for light color between marine <i>Synechococcus</i> strains with fixed and variable pigmentation

Louison Dufour, Laurence Garczarek, Francesco Mattei, Bastian Gouriou, Julia Clairet, et al.. Competition for light color between marine Synechococcus strains with fixed and variable pigmentation. Applied and Environmental Microbiology, 2025, 91 (8), pp.e00087-25. ⟨10.1128/aem.00087-25⟩. ⟨hal-05218257⟩

Differential acclimation kinetics of the two forms of type IV chromatic acclimaters occurring in marine Synechococcus cyanobacteria

Louison Dufour, Laurence Garczarek, Bastian Gouriou, Julia Clairet, Morgane Ratin, et al.. Differential acclimation kinetics of the two forms of type IV chromatic acclimaters occurring in marine Synechococcus cyanobacteria. Frontiers in Microbiology, 2024, 15, pp.1349322. ⟨10.3389/fmicb.2024.1349322⟩. ⟨hal-04467770v2⟩

Light color regulation of photosynthetic antennae biogenesis in marine phytoplankton

David M. Kehoe, Avijit Biswas, Bo Chen, Louison Dufour, Théophile Grébert, et al.. Light color regulation of photosynthetic antennae biogenesis in marine phytoplankton. Plant and Cell Physiology, 2024, ⟨10.1093/pcp/pcae115⟩. ⟨hal-04725332⟩

Marine picocyanobacteria, an important player in the distribution of dissolved methane in the Western Tropical South Pacific Ocean?

C. Boulart, Emile Faure, Laurence Garczarek, Pierre Le Moal, Emile Magadur, et al.. Marine picocyanobacteria, an important player in the distribution of dissolved methane in the Western Tropical South Pacific Ocean?. AGU Ocean Science Meeting 2024, AGU, Feb 2024, New Orleans (LA), United States. ⟨hal-04765070⟩

Differential global distribution of marine picocyanobacteria gene clusters reveals distinct niche-related adaptive strategies

Hugo Doré, Ulysse Guyet, Jade Leconte, Gregory Farrant, Benjamin Alric, et al.. Differential global distribution of marine picocyanobacteria gene clusters reveals distinct niche-related adaptive strategies. The International Society of Microbiologial Ecology Journal, 2023, 17 (5), pp.720-732. ⟨10.1038/s41396-023-01386-0⟩. ⟨hal-04238382v2⟩

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