Protist diversity and phylogeny

This study shows protists have stronger and more recent oceanic genetic structure than Archaeplastida and Metazoa, suggesting human-mediated dispersal influences their distribution.

The paper sequences and annotates the genome of a moth-infecting Apicomplexa parasite, revealing cryptic diversity and potential adaptive gene content changes.

This study shows that oxygen production by phototrophic symbionts, rather than carbon supply, may have been a primary selective pressure driving the evolution of photo-endosymbiosis.

The paper investigates aggregation in a unicellular relative of animals, finding that it uses genes involved in animal multicellularity, suggesting aggregation was key to animal evolution.

The paper uses spatial proteomics to show lipid droplet remodeling in Paramecium bursaria during endosymbiosis, revealing their role in maintaining the symbiotic relationship.

The paper reports high Rhizaria abundances in the northern Gulf of Alaska, revealing taxonomic diversity, depth-specific niches, and trophic interactions, challenging the equatorial abundance paradigm.

The paper investigates discrepancies in the Archaeplastida phylogeny by comparing nucleus- and plastid-encoded protein analyses, identifying sampling artifacts and proposing a working hypothesis.

The paper uses hypercubic inference to analyze convergent mitochondrial reduction pathways in eukaryotes, identifying two main evolutionary routes and their metabolic implications.

This paper uses subcellular proteomics to show that glycolytic and gluconeogenic enzymes are mosaically localized in Paramecium tetraurelia, with some enzymes in mitochondria and others in the cytosol, suggesting a preference for gluconeogenesis.

This study identifies two spore types in the marine parasite Amoebophrya, revealing sexual and infectious functions, with smaller spores infecting hosts and larger spores undergoing meiosis.

The paper uses single-cell transcriptomes to identify five new superfamily-level groups of marine eugregarine parasites, expanding phylogenomic data and classification.

The paper analyzes global protist diversity using metagenomes and single-cell genomes, revealing extensive uncultivated and unclassified protist lineages and taxonomic blind spots.

The paper shows that protist survival in anaerobic microcosms depends on bacterial metabolic capabilities rather than taxonomy, highlighting hydrogen exchange in syntrophic interactions.

This study examines genome evolution in diatom-Richelia symbioses, showing genome reduction and increased host dependency in endobionts compared to periplasmic and epibionts.

This paper reviews axenisation methods for microalgae, identifies effective workflows without antibiotics, and suggests improved confirmation techniques.

The paper investigates how freshwater ciliate communities respond to top-down and bottom-up manipulations in spring and summer, revealing season-specific trophic interactions and community shifts.

This study identifies the role of contractile vacuole and papilla in driving the cyst-to-telotroch transition in Vorticella microstoma through temporal and spatial patterns.

The paper describes the structural features of nucleolin-like proteins in Chromista, identifying conserved domains and motifs that classify them as nucleolin-like.

This study resolves the phylogenetic position of Njordarchaeales and Panguiarchaeales, placing them as a new class Njordarchaeia within Asgard archaea and identifying Panguiarchaeum as a metabolically reduced, potentially symbiotic lineage.

The paper presents the genome and transcriptome of E. marina, revealing reduced pathogenicity-related genes and evidence of lateral gene transfer for marine adaptation.

The paper examines protist export dynamics in subtropical and subantarctic waters, finding taxon-specific patterns in their loss during particle sinking and remineralisation.

This study identifies an immune-like glycan-sensing/processing network in Paramecium bursaria that regulates its algal endosymbionts through horizontal gene transfers.

This study sequenced the Draparnaldia genome and transcriptomes, revealing expanded gene families linked to multicellularity and terrestrial adaptations, and its ability to synthesize phytohormones used by land plants.

The paper describes two newly cultivated anaerobic eukaryotrophic flagellates, SSF and PG, representing distinct Rhizarian lineages adapted to anoxic conditions.

The paper analyzes RNA processing proteins across 16,449 archaeal genomes to explore eukaryogenesis, finding transitional states and suggesting nuclear evolution was independent of mitochondria.

The paper presents a de novo genome and transcriptome assembly of Paramecium bursaria 186b, revealing intron characteristics and evolutionary dynamics in ciliates.

This study uses haplotype-aware multiomics to uncover the regulatory mechanisms behind life-cycle differentiation in Gephyrocapsa huxleyi.

This study shows eukaryotic DNA and RNA polymerases originated from Asgard archaea and giant viruses, supporting a chimeric origin of eukaryotes.

The paper identifies three SFA paralogs in the Last Eukaryotic Common Ancestor and shows their localization in the feeding groove of Paratrimastix pyriformis.

This study investigates the evolutionary trajectory of DVNP in dinoflagellates, linking its domestication to the loss of histone H1 and lifestyle adaptation.