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Abstract The resolution of the broad-scale tree of eukaryotes is constantly improving, but the evolutionary origin of several… Expand ABSTRACT Heterotrophic marine flagellates (HF) are ubiquitous in the world's oceans and represented in nearly all branches of the… Expand Our knowledge about the microorganisms living in the high Arctic Ocean is still rudimentary compared to other oceans mostly… Expand Understanding the early evolution and diversification of eukaryotes relies on a fully resolved phylogenetic tree. In recent years… Expand BackgroundRecent surveys of eukaryote 18S rDNA diversity in marine habitats have uncovered worldwide distribution of the… Expand The Chromalveolata "supergroup" is a massive assemblage of single-celled and multicellular protists such as ciliates and kelps… Expand Eukaryotic microorganisms have been undersampled in biodiversity studies in freshwater environments. We present an original 18S… Expand Picoeukaryotes (<2 to 3 µm) are important components of aquatic ecosystems. The genetic diversity and seasonal variability of… Expand Telonemia has recently been described as a new eukaryotic phylum with uncertain evolutionary origin. So far, only two Telonemia… Expand Recent molecular investigations of marine samples taken from different environments, including tropical, temperate and polar… Expand