ISEP

New #ISEPpapers! Morphological, Molecular Phylogenetic, and Mitochondrial #Genome Characterization of a Deep-Branching Marine Flagellate, Katablepharis ulleungensis sp. nov. ( #Cryptista ) onlinelibrary.wiley.com/doi/full/10.... #Genomics #Protists #Microbes

New #ISEPpapers! The colorless dictyochophyte Ciliophrys sp. Baltic has lost a plastid but hosts a bacterial endosymbiont www.nature.com/articles/s42... #Protists #Algae #Symbiosis #Bacteria #Microbes #Evolution

New #ISEPpapers! Evolution of complex #organelles in ocelloid-bearing dinoflagellates academic.oup.com/pnasnexus/ad... "Warnowiids are known for possessing 2 of the most complex structures known in single cells: multi-projectile nematocysts and the camera eye-like ocelloid" #Protists #Algae

New #ISEPpapers #Preprint! #CRISPR / Cas9 #GeneEditing in the heterotrophic protist #Acanthamoeba castellanii www.biorxiv.org/content/10.6... #Protists #Microbes #Parasites #ProtistsOnSky

New #ISEPpapers! Broadening our knowledge of the Trachelophyllidae Kent, 1881 (Litostomatea, Ciliophora): Observations on known species of three genera and a new genus and species from the Czech Republic papers.ssrn.com/sol3/papers.... #Protists #Microbes #Ciliates #NewSpecies

New #ISEPpapers #Preprint! Prokaryotic communities in particle-associated and free-living environments in #OsakaBay are possibly mediated by the microalga, #Heterosigma akashiwo europepmc.org/article/ppr/... #Protists #Algae #Microbes #Microalgae #Prokaryotes

New #ISEPpapers #PrePrint! Green algal symbionts are stably retained and provisioned in the dark despite a clear physiological cost www.biorxiv.org/content/10.6... #Protists #Algae #Microbes #Symbiosis #ProtistsOnSky #Evolution

New #ISEPpapers! The #malaria parasite #Plasmodium falciparum Vps15 is a Phosphatidylinositol 3-kinase interactor important for host-cell cytosol delivery to the food #vacuole and #apicoplast, #mitochondrion dynamics: Alexandra Bourgeois et al. journals.plos.org/plospathogen... #Protists #Parasites

New #ISEPpapers! An Amoeboflagellate Halosymphonia sogumizoara gen. et sp. nov. (Tulamoebidae) in #Heterolobosea Enhances the Core #Halophilic Radiation of Eukaryotes onlinelibrary.wiley.com/doi/10.1111/... #Protists #Microbes #Amoebae #Extremophiles #ProtistsOnSky #Evolution

New #ISEPpapers! Single-cell #transcriptomics reveals lateral transfers of multiple functional genes from #prokaryotes to free-living ciliated #protists in detrital food webs link.springer.com/article/10.1... #Microbes #Ciliates #Evolution #Ecology #Genomics

New #ISEPpapers! An endogenous energy-metabolizing organelle www.cell.com/current-biol... #Protists #Microbes #Organelles #Evolution

New #ISEPpapers! Modeling Site-and-Branch-Heterogeneity with GFmix academic.oup.com/sysbio/advan... #Protists #Algae #Microbes #Phylogeny #Evolution #Bioinformatics #Genomics

New #ISEPpapers #PrePrint! Multiple origins of endogenous virophage and polinton-like virus in the halophilic protist Halocafeteria seosinensis www.biorxiv.org/content/10.6... #Protists #Microbes #Viruses #Evolution #Extremophiles

New #ISEPpapers! Phylogenetic ancestry of Metamonada proteins points to a common origin of mitochondria in all eukaryotes academic.oup.com/mbe/article/... By Kristína Záhonová et al. #Protists #Mitochondria #Evolution #Eukaryogenesis #Eukaryotes #Metamonada

New #ISEPpapers #PrePrint! Skiaviridae: a large DNA virus family that persistently infects thraustochytrid protists www.biorxiv.org/content/10.6... by Jessica Latimer et al. #Protists #Viruses #Microbes

New #ISEPpapers! A review of protistan parasites in and around Norwegian marine fish farms link.springer.com/article/10.1... #Protists #Microbes #Parasites #FishFarms

New #ISEPpapers #PrePrint! CoMR: an integrative scoring pipeline for Comprehensive Mitochondrial proteome Reconstruction across eukaryotes www.biorxiv.org/content/10.6... #Protists #ProtistsOnSky #Mitochondria #Bioinformatics #Evolution #Proteomics #Genomics

New #ISEPpapers #PrePrint! Single cell #genomics and fluorescence microscopy suggest a permanent plastid in a marine centrohelid www.biorxiv.org/content/10.6... #Protists #Algae #Microbes #Symbiosis #Evolution #Plastids

New #ISEPpapers! An extensive morphological and molecular characterization of the neglected class Odontostomatea (Ciliophora) link.springer.com/article/10.1... #Protists #ProtistsOnSky #Microbes #Ciliates #Evolution #TreeOfLife

New #ISEPpapers! Microbial and metabolic signatures among #Blastocystis subtypes ST1-ST9 in xenic cultures pmc.ncbi.nlm.nih.gov/articles/PMC... #Protists #Parasites #Microbes

New #ISEPpapers! Two essential #Thioredoxins mediate apicoplast biogenesis, protein import, and gene expression in #Toxoplasma gondii pmc.ncbi.nlm.nih.gov/articles/PMC... #Protists #Microbes #Parasites #Evolution

New #ISEPpapers! Eukaryovorous Predation in Evolutionarily Significant Excavate‐Like Flagellates pmc.ncbi.nlm.nih.gov/articles/PMC... #Protists #Microbes #Evolution

New #ISEPpapers! Single-cell transcriptomics reveals lateral transfers of multiple functional genes from prokaryotes to free-living ciliated protists in detrital food webs link.springer.com/article/10.1... #Protists #Ciliates #Microbes #Evolution

New #ISEPpapers! Prokaryotic communities in particle-associated and free-living environments in Osaka Bay are possibly mediated by the microalga, Heterosigma akashiwo www.researchsquare.com/article/rs-9... #Protists #Algae #Bacteria #Microbes #Microalgae #Ecology

New #ISEPpapers! Evolutionary assembly of a unique purple-green photosymbiosis revealed by expanded ciliate diversity academic.oup.com/ismej/advanc... #Protists #Bacteria #Ciliates #Symbiosis #Evolution #Microbes

New #ISEPpapers #PrePrint! A billion-year-old bacterial machinery replicates plastid DNA and supports kleptoplastidy www.biorxiv.org/content/10.6... #Protists #Algae #Microbes #Evolution #Bacteria

New #ISEPpapers! Protists as determinants of the #OneHealth framework academic.oup.com/ismej/articl... "One Health connects three main health elements: humans, animals, and the environment. #Protists influence all three"

#ISEPpapers 28: January to June 2026 www.isep-protists.com/post/iseppap... Your twenty-eighth digest of papers and preprints published by members of the International Society for Evolutionary Protistology is here! #Protists #Algae #Microbes #Evolution

New #ISEPpapers! The evolutionary transition from alga to parasite in the sister lineage of apicomplexans www.sciencedirect.com/science/arti... by Elizabeth Cooney et al. #Protists #Algae #Parasites #Evolution #Microbes

New #ISEPpapers! The spatial #proteome of the #Plasmodium falciparum schizont illuminates the composition and evolutionary trajectories of its organelles www.repository.cam.ac.uk/items/1d5b02... #Protists #Microbes #Parasites #Malaria #Proteomics

New #ISEPpapers! Diversity and evolution of DNA polymerase θ in eukaryotes and the origin of mitochondrion-localized DNA polymerase PolIA in euglenozoa www.sciencedirect.com/science/arti... #Protists #Microbes #Evolution #Mitochondria

New #ISEPpapers by @deemteam.bsky.social! Reversal to osmotrophy in eukaryotes www.nature.com/articles/s41... "Distant eukaryotic lineages convergently reverted from predation to osmotrophy through co-option of bacterial genes and their mobilization via eukaryote-to-eukaryote HGT" #Protists

New #ISEPpapers #preprint! A billion-year-old bacterial machinery replicates plastid DNA and supports kleptoplastidy www.biorxiv.org/content/10.6... #Protists #Algae #Microbes #Bacteria #Evolution #Symbiosis #Plastids

New #ISEPpapers! CSI-SSU: phylogenetic contamination screening of genomic datasets, demonstrated on The #Protist 10,000 #Genomes (P10K) Project link.springer.com/article/10.1... #Protists #Genomics #Evolution #Microbes

New #ISEPpapers! Derlin-like proteins are essential for the function of #Euglena gracilis #chloroplasts: Anežka Konupková et al. academic.oup.com/plphys/advan... #Protists #Algae #Microbes #Evolution

New #ISEPpapers! Colponemidia questions the ancestry of an ATG10-lacking ATG8–ATG12 conjugation system in Alveolata www.jstage.jst.go.jp/article/jop/... #Protists #Microbes #Evolution #Alveolata

New #ISEPpapers! Genome Sequence Data Reveal Complex and Variable Ploidy in the Amoebozoan Acanthamoeba castellanii academic.oup.com/gbe/article/... #Protists #Microbes #Genomics #Amoeba

New #ISEPpapers! A Revised Understanding of Petalomonad Diversity (Petalomonadida; #Euglenida) Enabled by a Cultivation Approach, With Five New Species and Two New Genera onlinelibrary.wiley.com/doi/10.1111/... #Protists #Microbes #Evolution #Microscopy #Petalomonads

New #ISEPpapers by Kateřina Koštířová et al.! Capturing the extensive diversity of marine anaerobic scuticociliates (Oligohymenophorea, #Ciliophora) through cultivation link.springer.com/article/10.1... #Protists #Ciliates #Microbes #Anaerobes

New #ISEPpapers! Seasonality of composition, genomic potential and activity of coniferous forest #soil microbiomes www.nature.com/articles/s41... #Protists #Microbes #Fungi #Microbiome #SoilScience #Conifers #Genomics

New #ISEPpapers! Phylogenomics reveals multiple evolutionary lineages of marine crustacean-infecting gregarine apicomplexans www.nature.com/articles/s41... #Protists #Microbes #Parasites #Evolution #Phylogenomics #Crustaceans #Apicomplexa #Gregarines

New #ISEPpapers! Complete mitochondrial genomes of the #Prototheca genus: comparative #genomics and evolutionary insights link.springer.com/article/10.1... #Protists #Microbes #Evolutions #Parasites #Mitochondria #Algae

New #ISEPpapers! Dynamic stressor regimes drive shifts in biofilm-associated parasites: Annemie Doliwa et al. link.springer.com/article/10.1... #Protists #Microbes #Parasites #Biofilms

New #ISEPpapers! Morphology, Ultrastructure, and Classification of #Barthelonids (Metamonada Incertae Sedis): With Descriptions of Microbarthelona Gen. Nov., and Parabarthelona Gen. Nov. pmc.ncbi.nlm.nih.gov/articles/PMC... #Protists #Microbes #TreeOfLife #Evolution #Metamonada

New #ISEPpapers by @ankarn.bsky.social et al.! Living together: evolutionary and ecological dimensions of #protist endosymbiosis academic.oup.com/microlife/ar... #Protists #Microbes #Symbiosis #Evolution

New #ISEPpapers! The genome sequence of the gastric gland parasite, #Cryptosporidium proliferans: Monika Wiśniewska et al. www.sciencedirect.com/science/arti... #Protists #Parasites #Microbes #Genomics

New #ISEPpapers #preprint by @deemteam.bsky.social: Re-evaluating the eukaryotic Tree of Life with independent phylogenomic data www.biorxiv.org/content/10.6... #Protists #Microbes #Evolution #Eukaryotes #TreeOfLife #Phylogeny #Phylogenomics #Bioinformatics #Algae

New #ISEPpapers! Nucleomorph phylogenomics suggests a deep and ancient origin of cryptophyte plastids within Rhodophyta nph.onlinelibrary.wiley.com/doi/10.1111/... by @animalculum.bsky.social, @deemteam.bsky.social #Protist #Algae #Microbes #Evolution #Nucleomorph #Genomics #Rhodophyta #Plastids

New #ISEPpapers! Single‐Cell Transcriptomes and Phylogenomic Analysis of Uncultivated #Oxymonads: Morelia Trznadel et al. pmc.ncbi.nlm.nih.gov/articles/PMC... #Protists #Microbes #Evolution #TreeOfLife #Phylogeny

Discovery of a photophobic response in #Apusomonads reveals insights into Opisthokont origins phys.org/news/2026-02... New #ISEPpapers! Photophobic response in Podomonas kaiyoae is mediated by coordination of cilia, actin filaments: Aika Shibata et al. www.nature.com/articles/s42... #Protists