Éric Pelletier

The paper identifies a diverse microbial reservoir in the ultrasmall ocean fraction, including nitrogen-fixing diazotrophs, with implications for global biogeochemical cycles.

The paper identifies DNA polymerase III subunit genes in plastid-targeted genomes of Teleaulax and related taxa, revealing their role in plastid DNA replication during kleptoplastidy.

The paper uses metatranscriptomic data to show that a single parmalean species can express both silicified (S-type) and flagellated (F-type) morphotypes, with distinct environmental triggers and distribution patterns.

The paper identifies a new deep-branching algal lineage, leptophytes, through metagenomic analysis of Tara Oceans data, revealing hidden plastid genome diversity and evolutionary insights.

This study generates absolute estimates of plankton cell concentrations and carbon biomass using environmental genomic data, revealing ecological associations and quantitative biogeographies of photosynthetic lineages.

This study analyzes opsin diversity and evolution using meta-omic data from marine expeditions, identifying known subfamilies and highlighting novel sequences from understudied taxa.

The paper identifies new divergent protein groups in ancient gene families from marine metagenomes, highlighting environmental diversity and potential biological novelty.

This study analyzes 60 brown algal genomes to identify genomic innovations and evolutionary patterns that enabled their adaptation to coastal ecosystems.

The paper introduces kmindex for fast indexing of complex genomic datasets and ORA for real-time querying of the Tara Oceans metagenomes.

The paper introduces PhotoEukStein, a meta-model for unicellular phototrophic eukaryotes, enabling automated derivation of genome-scale metabolic models from genomes to predict functional traits.

The paper analyzes metatranscriptomes across a North Atlantic-Arctic gradient, finding differential and convergent gene expression changes in eukaryotic phytoplankton at the polar front.

The paper reports the chromosome-scale genome of Pelagomonas calceolata, revealing adaptations to iron-poor environments and its potential expansion under climate change.

The paper develops a transcriptome reconstruction method to analyze marine plankton communities using metagenomics and metatranscriptomics, identifying co-abundant gene groups and their functional roles.

The paper introduces a method to separate host and symbiont reads in holobiont transcriptomes, improving assembly quality and enabling functional analysis.

The Ocean Gene Atlas enables users to explore gene biogeography in marine plankton by querying sequences against global reference catalogs and visualizing results on world maps.