Protist diversity and phylogeny

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 investigates the evolutionary origins of central carbon metabolism in eukaryotes, revealing a chimeric gene repertoire with contributions from Asgardarchaeota and Alphaproteobacteria.

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

The paper resolves conflicting phylogenetic placements of Streptofilum capillatum by identifying contamination in transcriptome data, confirming its position as a sister group to other streptophytes.

The paper validates the genus Pocheina by showing that its SSU rRNA sequence was contaminated, leading to the recognition of three major lineages in Acrasidae.

This study uses single-cell transcriptomes to reveal cryptic species and phylogenetic relationships in Spirostomum ciliates, identifying at least nine cryptic species.

The paper shows that cell differentiation in choanoflagellates enables iron acquisition through a cytochrome b561 gene, linking cell type specialization to ecological iron cycling.

The paper describes three new marine goniomonad species using morphology and 18S rDNA phylogeny, highlighting the importance of periplast plate patterns in taxonomy.

This paper presents a new genome assembly for Amoebophrya sp. ex Karlodinium veneficum, revealing genomic diversity and contextual stop codon translation.

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.

This paper describes the cell biology and genome of Stentor pyriformis, a mixotrophic ciliate, revealing unique features of its endosymbiotic relationship with Chlorella variabilis.

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 molecular functional convergences in complex multicellular eukaryotes by analyzing genomic and phylogenetic data across 49 species.

This study reveals two independent plastid losses in ochrophyte lineages through comprehensive phylogenomic analysis of 25 transcriptomes.

This paper evaluates ITS1 and ITS2 as better markers than 18S rRNA for species-level ciliate classification in freshwater and rumen environments.

This study examines the seasonal, depth, and water mass structure of marine alveolate parasite communities in the Atlantic inflow to the Arctic Ocean using metabarcoding data.

This study uses metabolomics to analyze the metabolic interactions between Radiolaria and their symbiotic microalgae, revealing host and symbiont contributions to the holobiont's metabolism.

This study investigates an early stage of mutualistic endosymbiosis between Tetrahymena and its algal endosymbiont, revealing condition-dependent parasitic aspects of the endosymbionts.

This study suppresses a low-abundance protist in soil microbial communities and observes mesopredator release and biotic homogenization, showing its keystone role.

The paper investigates the life cycle and morphogenetic differentiation of decoupled cells in O. huxleyi, showing they can revert to calcified form without viral pressure and exhibit distinct transcriptomic and ultrastructural features.

This study sequenced plastid genomes of 13 Prototheca strains to understand reductive evolution, finding three independent losses of photosynthesis and conservation of key plastid functions.

This paper introduces an open-source cultivation system for Zoothamnium niveum and its sulfur-oxidizing symbionts, enabling long-term, stable growth and detailed observation of symbiosis development.

This study identifies glycerol as a more effective cryoprotective agent than DMSO for preserving Salpingoeca rosetta and its co-cultured bacteria, recommending 15% glycerol and liquid nitrogen for storage.

This paper uses phylogenomic analyses of flagellated protists to revise the eukaryotic tree of life, supporting monophyly of Opimoda and inferring ancestral traits.

This study sequenced the transcriptome of Pseudotrichomonas keilini, a free-living parabasalid, and compared its genome to parasitic relatives to understand evolutionary adaptations to anaerobic lifestyles.

This study shows that dinoflagellates can acquire and utilize haptophyte-derived plastids, demonstrating that complex plastids can be transferred between hosts.

The paper identifies four new respiratory endosymbiont genomes, revealing their global distribution and ability to perform both aerobic and anaerobic respiration.