C. de Vargas

O Short-branch Microsporidia, Where Art Thou? Identifying diversity hotspots for future sampling

The paper identifies freshwater and terrestrial environments as diversity hotspots for short-branch Microsporidia to guide future sampling efforts.

Ubiquity of inverted 'gelatinous' ecosystem pyramids in the global ocean

The paper quantifies plankton community structure globally, revealing inverted biomass pyramids dominated by gelatinous organisms and predicting future shifts in oceanic carbon cycles.

Abundant deep ocean heterotrophic bacteria are culturable

The paper shows that a significant portion of deep ocean heterotrophic bacteria can be cultured, with isolates matching abundant 16S ASVs in bathypelagic samples.

From genome wide SNPs to genomic islands of differentiation: the quest for species diagnostic markers in two scleractinian corals, Pocillopora and Porites

The paper develops a genotyping method called 'Divergent Fragment' to accurately assign coral samples to species within two genera, using sequencing of a diagnostic genomic fragment from metagenomic data.

Global observation of plankton communities from space

The paper uses satellite data and machine learning to predict global plankton community distributions with 67% accuracy, outperforming temperature and chlorophyll a alone.

Viral infection impacts the 3D subcellular structure of the abundant marine diatom Guinardia delicatula

This study uses 3D confocal microscopy to observe how viral infection alters the subcellular structure of the diatom Guinardia delicatula.

Unveiling hidden eukaryotes: diversity of Endomyxa (Rhizaria) in coastal marine habitats

The paper investigates Endomyxa diversity in coastal marine habitats using targeted primers, revealing novel lineages and habitat-specific variations.

Exploring the phycosphere of Emiliania huxleyi: from bloom dynamics to microbiome assembly experiments

This study investigates the microbiome dynamics of Emiliania huxleyi blooms by analyzing bacterial communities from bloom and non-bloom conditions and their interactions over time.

Seasonal temporal dynamics of marine protists communities in tidally mixed coastal waters

The paper analyzes seasonal changes in marine protist communities using long-term data from microscopy and metabarcoding, revealing seasonal patterns and environmental influences.

Within-Arctic horizontal gene transfer as a driver of convergent evolution in distantly related microalgae

The paper identifies horizontal gene transfer as a driver of convergent evolution in Arctic microalgae, highlighting ice-binding domain gene transfers between distantly related species.

A robust approach to estimate relative phytoplankton cell abundance from metagenomes

This paper introduces a PCR-free method using the psbO gene to estimate phytoplankton abundance from metagenomes, showing better correlation with flow cytometry and microscopy than rRNA genes.

Ocean-wide comparisons of mesopelagic planktonic community structures

This study compares mesopelagic planktonic community structures across different oxygen conditions and identifies environmental drivers and community modules.

Environmental vulnerability of the global ocean plankton community interactome

The paper assesses the vulnerability of the global ocean plankton community interactome to environmental change using niche modeling and Tara Oceans data.

Global distribution patterns of marine nitrogen-fixers by imaging and molecular methods

The paper combines imaging and molecular data to analyze the global distribution of marine nitrogen-fixers, revealing size-related patterns and new high-density regions.

Functional repertoire convergence of distantly related eukaryotic plankton lineages revealed by genome-resolved metagenomics

The paper uses Tara Oceans metagenomic data to reconstruct and analyze eukaryotic genomes, revealing functional convergence among distantly related plankton lineages.

Eukaryotic virus composition can predict the efficiency of carbon export in the global ocean

This study links viral community composition to carbon export efficiency in the global ocean, finding that viral marker genes explain 67% of variation in CEE.

Plankton Planet: 'seatizen' oceanography to assess open ocean life at the planetary scale

Plankton Planet uses citizen science to collect global plankton biodiversity data via DNA barcodes, achieving comparable quality to Tara Oceans with a scalable, open-access approach.

EukProt: A database of genome-scale predicted proteins across the diversity of eukaryotes

EukProt provides a database of predicted proteins from 993 eukaryotic species to support phylogenomic and gene family evolution studies.

A user guide to environmental protistology: primers, metabarcoding, sequencing, and analyses

This paper provides a guide for studying protist diversity using molecular methods, focusing on metabarcoding and primer selection for ecological research.

EukRef: phylogenetic curation of ribosomal RNA to enhance understanding of eukaryotic diversity and distribution

EukRef improves eukaryotic diversity studies by curating ribosomal RNA references to enhance accuracy and keep pace with taxonomic changes and novel diversity.

Ubiquitous abundance distribution of non-dominant plankton across the world’s ocean

The paper analyzes species abundance distributions in marine microbial eukaryotes to show that non-dominant OTUs follow a power-law decay with minimal variation across locations.

Metabarcoding analysis on European coastal samples reveals new molecular metazoan diversity

The paper uses metabarcoding to analyze European coastal samples, revealing high molecular diversity and novel taxa in marine environments.

Soil Protists in Three Neotropical Rainforests are Hyperdiverse and Dominated by Parasites

The paper investigates protist diversity in Neotropical rainforest soils, finding them hyperdiverse and dominated by parasitic Apicomplexa, which may influence animal diversity.