OOIR: Observatory of International Research

Papers

(The median citation count of Journal of Eukaryotic Microbiology is 1. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-05-01 to 2025-05-01.)

Article	Citations
Issue Information	61
Sterols of morphologically distinct, okadaic acid‐producing Prorocentrum texanum var. texanum and var. cuspidatum isolated from the Gulf of Mexico	50
Eimeria falciformis extracellular vesicles differentially express host cell lncRNAs	42
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Newly designed foraminifera primers identify habitat‐specific lineages through metabarcoding analyses	34
Pathogenicity and phylogeny of Labyrinthula spp. isolated in Washington and Oregon, USA	33
Phylogenetic and structural characterization of Kentomonas inusitatus n. sp.: Unique insect trypanosomatid of the Strigomonadinae subfamily naturally lacking bacterial endosymbiont	28
Studies on the cyst stage of Naegleria fowleri in vivo and in vitro	26
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Identification of a new gregarine parasite associated with mass mortality events of freshwater pearl mussels (Margaritifera margaritifera) in Sweden	16
Is the Composition of Communities in Bromeliad Water and Adjacent Soil Similar?	16
Novel insights into molecular mechanisms of vegetative cell cycle and resting cyst formation in Apodileptus cf. visscheri (Alveolata, Ciliophora)	14
The nuclear DNA and RNA distribution in Pelomyxa spp. (Amoebozoa, Archamoebae, Pelobiontida) revealed by a simple‐to‐use DAPI/pyronin staining method	14
Retention of blue‐green cryptophyte organelles by Mesodinium rubrum and their effects on photophysiology and growth	13
Morphology and Molecular Phylogeny of Endosymbiotic Ciliates (Peritrichia, Mobilida) of Marine Invertebrates with Descriptions of Two Novel Species Urceolaria clepsydra n. sp. and Urceolaria	13
First Record of Aplanochytrium on the Chilean Coast and its Biotechnological Potential: Expanding the Geographic Distribution of Labyrinthulomycetes	12
Miliolidium n. gen, a New Symbiodiniacean Genus Whose Members Associate with Soritid Foraminifera or Are Free‐Living	12
Algal Symbiont Diversity and Host Fitness Variation in Amoebozoan Photosymbiosis	11
The Mixoplankton Database (MDB): Diversity of photo‐phago‐trophic plankton in form, function, and distribution across the global ocean	11
Identification and validation of novel Blastocystis subtype ST41 in a Colombian patient undergoing colorectal cancer screening	10
Isolation of Naegleria lustrarea n. sp. (Excavata, Discoba, Heterolobosea) from the feces of Ambystoma annulatum (Ringed Salamander) in Northwest Arkansas	10
Nosema bombycis: A remarkable unicellular parasite infecting insects	10
Bacterial symbiosis in ciliates (Alveolata, Ciliophora): Roads traveled and those still to be taken	10

Production of amphisterol and other Δ⁸⁽¹⁴⁾ sterols by Togula jolla (formerly Amphidinium sensu lato) overlaps chemotaxonomically with Amphidinium cart	10
The identity of Centrodinium elongatum, type species of the dinoflagellate genus Centrodinium (Dinophyceae), and a review on the synonymy of allied species	10
Construction a novel detection method for Trichomonas vaginalis based on recombinant enzyme polymerase amplification targeting the Actin gene	10
Redescription and molecular characterization of Loxocephalus luridus Eberhard, 1862 based on Czech populations: Implications for order Loxocephalida Jankowski, 1980	9
Issue Information	9
The long‐time orphan protist Meringosphaeramediterranea Lohmann, 1902 [1903] is a centrohelid heliozoan	9
Superficially described and ignored for 92 years, rediscovered and emended: Apodera angatakere (Amoebozoa: Arcellinida: Hyalospheniformes) is a new flagship testate amoeba taxon from Aotearoa (	9
Phylogenetic analysis confirms the taxonomic placement of the marine flagellate Hermesinum adriaticum (Thecofilosea, Cercozoa, Rhizaria)	9
Unexpected ubiquity of heart‐shaped scale morphotype in Centroplasthelida (Haptista): Ancestral trait or multiple acquisitions?	9
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The Toxoplasma plant‐like vacuolar compartment (PLVAC)	8
Morphology and phylogeny of two anaerobic freshwater ciliates: Brachonella comma sp. nov. and the widely distributed but little‐known caenomorphid, Ludio parvulus Penard, 1922	8
Morphology, morphogenesis, and molecular characterization of Castula specialis sp. nov. (Ciliophora, Armophorea, Metopida)	8
The importance of type species and their correct identification: A key example from tintinnid ciliates (Alveolata, Ciliophora, Spirotricha)	8
Molecular phylogeny of Spirotrichonymphea (Parabasalia) with emphasis on Spironympha, Spirotrichonympha, and three new genera Pseudospironympha, Nanospironympha, and Bru	7
First examination of sterols in the marine dinoflagellate genus Vulcanodinium	7
Phylogenetic placement of the protosteloid amoeba Microglomus paxillus identifies another case of sporocarpic fruiting in Discosea (Amoebozoa)	7
The evolution of pre‐mRNA splicing and its machinery revealed by reduced extremophilic red algae	7
Parasite powerhouse: A review of the Toxoplasma gondii mitochondrion	7
Description of the marine predator Sericomyxa perlucida gen. et sp. nov., a cultivated representative of the deepest branching lineage of vampyrellid amoebae (Vampyrellida, Rhizaria)	6
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Mitochondrial adaptations throughout the Trypanosoma brucei life cycle	6
Refurbishing the marine parasitoid order Pirsoniales with newly (re)described marine and freshwater free‐living predators	6
The mitosome of the anaerobic parasitic protist Entamoeba histolytica: A peculiar and minimalist mitochondrion‐related organelle	6
Broad‐range necrophytophagy in the flagellate Orciraptor agilis (Viridiraptoridae, Cercozoa) and the underappreciated role of scavenging among protists	5
Interpreting phylogenetic placements for taxonomic assignment of environmental DNA	5
Biogenesis and metabolic homeostasis of trypanosomatid glycosomes: New insights and new questions	5
Morphological and molecular characterization of a new member of the phylum Rhodelphidia	5
Issue Information	5
Microsporidia: Pervasive natural pathogens of Caenorhabditis elegans and related nematodes	5
Vegetative cell fusion and a new stage in the life cycle of the Aphelida (Opisthosporidia)	5
Morphology and phylogenetic position of three anaerobic ciliates from the classes Odontostomatea and Muranotrichea (Ciliophora)	5
Kapelodiniopsis flava n. g., n. sp. (Dinophyceae), a new katodinioid with haptophyte‐derived plastids of multiple origins: Implications for the plastid integration process	5
Investigation of the genome sizes and ploidy within the genus Monocercomonoides	5
Further insight into the genetic diversity of Entamoeba coli and Entamoeba hartmanni	5
Host cell manipulation by microsporidia secreted effectors: Insights into intracellular pathogenesis	5
Investigating the interactive effects of temperature, pH, and salinity on Naegleria fowleri persistence	5
Molecular identification of Tetrahymena species	5
Sterols of Testudodinium testudo (formerly Amphidinium testudo): Production of the Δ⁸⁽¹⁴⁾ sterol gymnodinosterol and chemotaxonomic relationship to the K	4
The function of the feeding groove of ‘typical excavate’ flagellates	4
Macronuclear development in ciliates, with a focus on nuclear architecture	4
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“Candidatus Euplotechlamydia quinta,” a novel chlamydia‐like bacterium hosted by the ciliate Euplotes octocarinatus (Ciliophora, Spirotrichea)	4
Pontisma blauvikense sp. nov. the first member of the early‐diverging oomycete genus Pontisma parasitizing brown algae	4
Biogeography, autecology, and phylogeny of Percolomonads based on newly described species	4
Correction to the article “On the phylogenetic position of Raphidocystis pallida with some notes on its life cycle”	4
Characterization of Skoliomonas gen. nov., a haloalkaliphilic anaerobe related to barthelonids (Metamonada)	4
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Description ofMyxidiumpseudocuneiformen. sp. (Myxosporea: Myxidiidae) fromCyprinuscarpioin China, with the resolution on a taxonomic dilemma ofMyxidiumcuneiforme<	3
Somatic infraciliature in tintinnid ciliates (Alveolata, Ciliophora, Spirotricha): An ultrastructural comparison*	3
Continuous reproduction of planktonic foraminifera in laboratory culture	3
HCN channels are essential for the escape response of Paramecium	3
Rhabdamoeba marina is a heterotrophic relative of chlorarachnid algae	3
Trichite features contribute to the revision of the genus Strombidium (Alveolata, Ciliophora, Spirotricha)	3
Single‐cell DNA from West Greenland marine sediments suggests presence of Protoperidinium tricingulatum in the Arctic	3
The old and the new about the contractile vacuole of Trypanosoma cruzi	3
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Characterization of Allobodo yubaba sp. nov. and Novijibodo darinka gen. et sp. nov., cultivable free‐living species of the phylogenetically enigmatic kinetoplastid taxon Allobodonidae	3
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Kaonashia insperata gen. et sp. nov., a eukaryotrophic flagellate, represents a novel major lineage of heterotrophic stramenopiles	3
De novo transcriptome analysis of the centrohelid Raphidocystis contractilis to identify genes involved in microtubule‐based motility	3
Bit by bit toward the diversity of metopids: Description of the genus Pidimetopus n. gen. (Ciliophora: Armophorea)	3
The specific inhibition of glycerol synthesis and the phosphorylation of a putative Mitogen‐Activated Protein Kinase give insight into the mechanism of osmotic sensing in a dinoflagellate symbiont	3
Molecular phylogeny of the Lecudinoidea (Apicomplexa): A major group of marine gregarines with diverse shapes, movements and hosts	3
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Pelomyxa doughnuta sp. nov. (Archamoebea, Pelobiontida) with an unusual nucleus‐glycogen association	3
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Paramecium (Oligohymenophorea, Ciliophora) diversity in Thailand sheds light on the genus biogeography and reveals new phylogenetic lineages	3
Decoding the Nature of the Peritrich Stalk: A Distinctive Organelle in a Large Group of Ciliated Unicellular Eukaryotes	3
Ciliate cortical organization and dynamics for cell motility: Comparing ciliates and vertebrates	3
Ciliate research: From myth to trendsetting science	3
Fine structure and molecular characterization of two new parabasalid species that naturally colonize laboratory mice, Tritrichomonas musculus and Tritrichomonas casperi	3
In Memoriam: Richard Dean Allen	3
Morphological and molecular characterization of Eimeria magna infecting local rabbit (Oryctolagus cuniculus) in Alkarg City, Saudi Arabia	2
Living in the cracks: Two novel genera of Variosea (Amoebozoa) discovered on an urban sidewalk	2
Insights into the systematics of the family Ophryoscolecidae (Ciliophora, Entodiniomorphida)	2
Gene editing of putative cAMP and Ca²⁺‐regulated proteins using an efficient cloning‐free CRISPR/Cas9 system in Trypanosoma cruzi	2
Membrane traffic and Ca²⁺ signals in ciliates	2
Absolute quantification of chromosome copy numbers in the polyploid macronucleus of Tetrahymena thermophila at the single‐cell level	2
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Localization and functional characterization of the alternative oxidase in Naegleria	2
Grazing preferences of three species of amoebae on cyanobacteria and green algae	2
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18S rDNA sequence–structure phylogeny of the Euglenophyceae (Euglenozoa, Euglenida)	2
Ultrastructure of Olkasia polycarbonata (Euglenozoa, Euglenida) demonstrates cytoskeletal innovations associated with the feeding and flagellar apparatuses	2
Ultrastructural and molecular characterization of Glugea sp. (microsporidia), a parasite of the Red Sea fish Carangoides bajad (Carangidae)	2
Bioactive molecules from ciliates: Structure, activity, and applicative potential	2
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Three‐dimensional architecture of Cyrilia lignieresi gametocyte‐stage development inside red blood cells	1
Special issue on organelles in parasitic protists	1
Report of the 2021 meeting of the International Society of Protistologists	1
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A Parachlorella kessleri (Trebouxiophyceae, Chlorophyta) strain tolerant to high concentration of calcium chloride	1
Molecular phylogenetics of sessile Dolium sedentarium, a petalomonad euglenid	1
Anaeramoeba pumila sp. nov. and Anaeramoeba sp. OCE22C represent two novel types of symbiosis of Anaeramoebae and prokaryotes	1
Molecular prevalence and subtypes distribution of Blastocystis sp. among outpatients and inpatients in north and south areas of Henan Province, China	1
On the phylogenetic position of Raphidocystis pallida with some notes on its life cycle	1
Molecular characterization and immune protection by cystathionine β‐synthase from Eimeria tenella	1
Dynamics of cell death across growth stages and the diel cycle in the dinoflagellate Karenia brevis	1
Cell wall proteomic analysis of the cnidarian photosymbionts Breviolum minutum and Cladocopium goreaui	1
Comparative genomic analysis illustrates evolutionary dynamics of multisubunit tethering complexes across green algal diversity	1
Phylogenomics of novel ploeotid taxa contribute to the backbone of the euglenid tree	1
Genomics and phylogenetic relationships of microsporidia and their relatives	1
Functional stress responses in Glaucophyta: Evidence of ethylene and abscisic acid functions in Cyanophora paradoxa	1
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Cultivation of Ancyromonas melba, and Reclassification as the Type Species of Divimonas gen. nov., a Phylogenetically Important Ancyromonad Lineage	1
Transcriptomics of Diphyllatea (CRuMs) from South Pacific crater lakes confirm new cryptic clades	1
Prorocentrum canariense sp. nov., a case of pseudo‐cryptic speciation in the cosmopolitan dinoflagellate P. compressum (Prorocentrales, Dinophyceae)	1
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Functional ecology of planktonic ciliates: Measuring mortality rates in response to starvation	1
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Molecular prevalence and zoonotic potential of trichomonads from oral cavities in household dogs	1
Correction to “Cascading effects of prey identity on gene expression in a kleptoplastidic ciliate”	1
Issue Information	1
Formation of multicellular colonies by choanoflagellates increases susceptibility to capture by amoeboid predators	1
Taxonomy and phylogeny of the freshwater tintinnid Tintinnopsis tubuformis Chiang, 1956 (Ciliophora, Oligotrichea) and a proposed synonymization of T. longa nom. corr. Chiang, 1956	1
Epigenetic influences of mobile genetic elements on ciliate genome architecture and evolution	1
Remarkable genetic variability and high antigenicity of the octapeptide‐repeat region in an Entamoeba nuttalli‐specific surface protein	1
The hydrogenosome of Trichomonas vaginalis	1