ISEP

@isepprotists

The International Society for Evolutionary Protistology Serves People with Interests in the Taxonomy, Phylogeny, Cell Biology, and Evolution of Protists. Account managed by @animalculum.bsky.social

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ISEP@isepprotists· 3d

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

ISEP@isepprotists· 3d

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

black and white drawings of microbial scales

ISEP@isepprotists· 3d

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

graph of relative abundance of microbes over time

ISEP@isepprotists· 4d

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

three electron microscopy pictures of microbial cells

ISEP@isepprotists· 4d

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

schematic of proteins working in a microbial cell

ISEP@isepprotists· 6d

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

microscopic images of a single-celled amoeboid organism

ISEP@isepprotists· 7d

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

ISEP@isepprotists· 13d

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

a schematic picture summarizing an evolutionary scenario about the origin of the organelles discussed in the paper

ISEP@isepprotists· 17d

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

a figure including heat map from the linked paper

ISEP@isepprotists· 18d

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

ISEP@isepprotists· 21d

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

Two simplified evolutionary trees presenting alternative evolutionary scenarios discussed in the paper

ISEP@isepprotists· 21d

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

electron microscopy images of microbial cells infected with viruses

ISEP@isepprotists· Jul 9

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

a table summarizing results of the linked paper

ISEP@isepprotists· Jul 4

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

ISEP@isepprotists· Jul 2

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

two simplified evolutionary trees of microbes

ISEP@isepprotists· Jul 1

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

microscopic photos and drawings of microbial cells

ISEP@isepprotists· Jun 30

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

illustration of the laboratory methods used in the linked paper

ISEP@isepprotists· Jun 28

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

schematic representation of the internal cellular structure of a microbe

ISEP@isepprotists· Jun 27

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

ISEP@isepprotists· Jun 25

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

a graph showing relative abundance of various microbes

ISEP@isepprotists· Jun 24

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

photos of microbial cells and their freshwater pond environment

ISEP@isepprotists· Jun 24

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

ISEP@isepprotists· Jun 23

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"

a figure showing various microbes in different environments and their ecological roles

ISEP@isepprotists· Jun 21

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

microscopic pictures of microbial cells attached to a tiny worm

ISEP@isepprotists· Jun 21

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

a complicated figure from the linked paper showing cell structure of the discussed microbe and some details of the performed experiments

ISEP@isepprotists· Jun 13

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

a schematic evolutionary tree of microbes illustrating a hypothesis discussed in the linked paper

ISEP@isepprotists· Jun 4

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

a simplified evolutionary tree of eukaryotes

ISEP@isepprotists· Jun 1

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

a complicated figure from the linked paper showing three evolutionary trees and schematic representations of microbial cells showing an evolutionary scenario

ISEP@isepprotists· Jun 1

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

ISEP@isepprotists· May 8

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