Posters should be A0 (portrait orientation)
Talks should be 12 mins + 3 mins discussion
Invited talks 25 mins + 5 mins discussion
Download the programme (PDF)
Download the abstract book (PDF) (for registered participants only)
Download the posters and participants list (XLSX) (for registered participants only)
The offline programme and abstract book were created on April 10, 2026. They will not be updated further. All programme changes will be reflected in the interactive online programme only, so please refer to it for the most up-to-date version. Only minor changes within sessions are expected due to unforeseen last-minute cancellations. For your convenience, changes are also specified below:
- April 22: section 4B: Cancellation of a talk presented by Seda Mirzoyan: Comprehensive analysis of the types and distribution of mitochondrial RNA editing in the phylum Heterolobosea*
- April 22: section 4B: Cancellation of a talk presented by Joao Alcino: Mitochondrial RNA editing in Arcellinida (Amoebozoa)*
- April 22: section 4B: The talk of Yuji Inagaki (“Draft nucleomorph genome of the dinoflagellate strain TGD”) has been rescheduled to start at 9:45.
- April 21: Cancellation of the poster presented by G. Langlois; addition of a poster by Jacob Luo (poster ID 5).
- April 22: Change of speaker in Session 4B (9:30); the talk will be presented by M. W. Brown.
- April 19: JEM Editorial Board meeting added (date of change: April 15)
- April 19: Location of registration desk changed (date of change: April 15)
- April 22: Times and halls of society meetings changed (date of change: April 15)
- Session 1B: Talk by Awakash Soni removed; start times of the two talks in the session changed (date of change: April 12).
| April 19 | |||||||||||||||||||||||||||||
| 10:00-19:00 | Registration (Congress Hotel - Entrance hall, close to reception) | ||||||||||||||||||||||||||||
| 12:30-16:30 | Mentoring Event (Congress Hall, Grant Hotel International) | ||||||||||||||||||||||||||||
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| 17:30-19:30 | Welcome drink (Congress Hotel - Foyer of Congress hall) | ||||||||||||||||||||||||||||
| April 20 | |||||||||||||||||||||||||||||
| 7:30 | Registration | ||||||||||||||||||||||||||||
| 8:30 | Opening ceremony (Congress Hall) | ||||||||||||||||||||||||||||
| 9:00 | David Montagnes: Why are we here? (Congress Hall) | ||||||||||||||||||||||||||||
| 9:30 | Victor Tobiasson: On the Dominant contribution of Asgard Archaea to Eukaryogenesis (Congress Hall) | ||||||||||||||||||||||||||||
| 10:00 | Ramon Massana: Incorporating uncultured protists into ecological and evolutionary studies (Congress Hall) | ||||||||||||||||||||||||||||
| 10:30 | Coffee break (and poster mounting) | ||||||||||||||||||||||||||||
| 11:00 | The Symbiotic Continuum across the Tree of Life (ISOP-sponsored symposium; Congress Hall) | ||||||||||||||||||||||||||||
* An asterisk at the end of a presentation title indicates that the presenting author is a student.
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| 12:30 | Conference photo (garden) | ||||||||||||||||||||||||||||
| 12:40 | Lunch | ||||||||||||||||||||||||||||
| 14:00 | Kleptoplasty: Living Between Feeding and Photosynthesis (ISOP-sponsored symposium; Congress Hall) | ||||||||||||||||||||||||||||
* An asterisk at the end of a presentation title indicates that the presenting author is a student.
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| 15:30 | Coffee break | ||||||||||||||||||||||||||||
| 16:00 | Parallel sessions (A:Congress Hall; B:Bruncvík; C:Libuše) | ||||||||||||||||||||||||||||
* An asterisk at the end of a presentation title indicates that the presenting author is a student.
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| 17:30 | Poster session I (60 posters; Bivoj, Přemysl, Foyer, Bruncvík, Libuše) | ||||||||||||||||||||||||||||
| 18:00-19:15 | Meeting of JEM Editorial Board (Congress hall) | ||||||||||||||||||||||||||||
| 19:00-22:00 | ISOP-sponsored Student Night (only for student ISOP members) (The Pub Dejvice) | ||||||||||||||||||||||||||||
| April 21 | |||||||||||||||||||||||||||||
| 8:30 | 2026 ISOP Hutner award winner announcement and 2025 ISOP Hutner award winner talk by Javier del Campo (Congress Hall) | ||||||||||||||||||||||||||||
| 9:20 | Grell prize winner talk (Society for Eukaryotic Microbiology): Jule Freudenthal and Alejandro Berlinches de Gea (Congress Hall) | ||||||||||||||||||||||||||||
| 10:00 | ISOP Past President lecture by Sina Adl (Congress Hall) | ||||||||||||||||||||||||||||
| 10:30 | Coffee break (and poster mounting) | ||||||||||||||||||||||||||||
| 11:00 | Parallel sessions (A:Congress Hall; B:Bruncvík; C:Libuše) | ||||||||||||||||||||||||||||
* An asterisk at the end of a presentation title indicates that the presenting author is a student.
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| 12:30 | Lunch | ||||||||||||||||||||||||||||
| 14:00 | Plenary talk (F. Söderbom: Non-coding RNAs in social amoebae: role in development and multicellularity?) | ||||||||||||||||||||||||||||
| 14:30 | Parallel sessions (A:Congress Hall; B:Bruncvík; C:Libuše) | ||||||||||||||||||||||||||||
* An asterisk at the end of a presentation title indicates that the presenting author is a student.
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| 16:00 | Coffee break | ||||||||||||||||||||||||||||
| 16:30 | Poster session II (60 posters; Bivoj, Přemysl, Foyer, Bruncvík, Libuše) | ||||||||||||||||||||||||||||
| 18:00-19:00 | ISOP Annual Membership meeting (Congress Hall) | ||||||||||||||||||||||||||||
| April 22 | |||||||||||||||||||||||||||||
| 8:30 | Alexandra Worden: Friends and enemies in protistan interdomain relationships (Congress Hall) | ||||||||||||||||||||||||||||
| 9:00 | Parallel sessions (A:Congress Hall; B:Bruncvík; C:Libuše) | ||||||||||||||||||||||||||||
* An asterisk at the end of a presentation title indicates that the presenting author is a student.
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| 10:30 | Coffee break | ||||||||||||||||||||||||||||
| 11:00 | Parallel sessions (A:Congress Hall; B:Bruncvík; C:Libuše) | ||||||||||||||||||||||||||||
* An asterisk at the end of a presentation title indicates that the presenting author is a student.
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| 12:30 | Lunch | ||||||||||||||||||||||||||||
| 14:00 | Mariusz Nowacki: Epigenetic mechanisms of genome regulation in Paramecium (Congress hall) | ||||||||||||||||||||||||||||
| 14:30 | Parallel sessions (A:Congress Hall; B:Bruncvík; C:Libuše) | ||||||||||||||||||||||||||||
* An asterisk at the end of a presentation title indicates that the presenting author is a student.
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| 16:00 | Coffee break | ||||||||||||||||||||||||||||
| 16:30 | Parallel sessions (A:Congress Hall; B:Bruncvík; C:Libuše) | ||||||||||||||||||||||||||||
* An asterisk at the end of a presentation title indicates that the presenting author is a student.
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| 17:30-19:00 | Society of Eukaryotic Microbiology (Přemysl) | ||||||||||||||||||||||||||||
| 18:00-18:45 | Czech Society for Parasitology (Bivoj) | ||||||||||||||||||||||||||||
| 18:00-19:00 | Italian Society of Protistology (Libuše) | ||||||||||||||||||||||||||||
| 18:00-19:00 | Protistology Nordics (Bruncvík) | ||||||||||||||||||||||||||||
| 19:00 | Banquet, ceremonies (Congress Hall and its Foyer, Garden) | ||||||||||||||||||||||||||||
| April 23 | |||||||||||||||||||||||||||||
| 9:00 | Parallel sessions (A:Congress Hall; B:Bruncvík; C:Libuše) | ||||||||||||||||||||||||||||
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| 10:30 | Coffee break | ||||||||||||||||||||||||||||
| 11:00 | Parallel sessions (A:Congress Hall; B:Bruncvík; C:Libuše) | ||||||||||||||||||||||||||||
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| 12:30 | Lunch | ||||||||||||||||||||||||||||
| April 24 Conference trip (Karlštejn, optional) | |||||||||||||||||||||||||||||
| (The bus is provided by the conference; participants will only need to pay the entrance fee to the castle. Conference participants and their companions can register for this optional trip at the conference registration desk (April 19 and April 20) on a first-come, first-served basis.) | |||||||||||||||||||||||||||||
| 9:00 | Bus departs from the Grand Hotel International | ||||||||||||||||||||||||||||
| 9:50–10:45 | Walk to Karlštejn Castle | ||||||||||||||||||||||||||||
| 11:00–11:50 | Guided tour of Karlštejn Castle | ||||||||||||||||||||||||||||
| 12:30 | Bus departs for the Grand Hotel International | ||||||||||||||||||||||||||||
| 13:30 | End of the trip (Grand Hotel International) | ||||||||||||||||||||||||||||
| First name | Last name | Role | Title |
|---|---|---|---|
| Sina | ADL | From protist phylogenies to classification | |
| Sabine | Agatha | Introducing the Self-Assembling Structural Proteins Forming the Tintinnid Lorica (Alveolata: Ciliophora) | |
| Rimma | Akhatova | Student | Role of Mlf1 protein in cellular stress response and cytokinesis in Giardia intestinalis |
| Alessandro | Allievi | Morphological identification key to genus Lacrymaria | |
| Maxime | Allioux | Elucidating the unknown diversity and functional roles of eukaryotic microorganisms in subseafloor ecosystems. | |
| Margherita | Allotta | Student | Genomic characterization of novel bacterial symbionts from historical laboratory strains of Euplotes crassus |
| Catalina | Aponte-Cartagena | Student | Peculiar Bacterial Symbionts in a Deep-sea Anaerobic Ciliate |
| Kyleigh | Bachelor | Student | Inter- and intra-colony variation in Reticulitermes protist symbiont communities |
| Alina | Becker | Student | Grazing rates of heterotrophic chrysophytes in relation to their cell size |
| Álmos | Becz | Student | Colonial peritrichs as ecosystem engineers |
| Daniela | Beisser | Interactive Effects of Temperature and Salinity on Freshwater Microbial Communities: Insights from Multi-Omic | |
| Marlene | Benchimol | A Novel Basal Body–Associated Structure in Trichomonas vaginalis and T. foetus | |
| Cédric | Berney | Moving towards a routine use of the full rDNA operon for eukaryotic phylogeny and biodiversity studies | |
| Sara | Beszteri | Niche differentiation in cryptic Prymnesium parvum species – tolerances to salinity and temperature | |
| Nikita | Borodin | Student | Beyond the sea: The first freshwater Ephelota (Ciliophora, Suctoria) found in Thailand |
| Lydia | Bright | Evolution of Paramecium in lakes recovering from low pH | |
| Thi Nhu Quynh | Bui | Saxitoxin biosynthesis genes and their polyphyletic origin in the marine dinoflagellate Alexandrium | |
| Laia | Burgués Palau | Student | Metamorphosis Toward Gigantism: Charting the Phenotypic Landscape of Symbiotic Microalga in a Planktonic Host |
| Mélanie | BURTIN | Student | New insights into Amoebozoa diversity: morphological and molecular analyses of novel lineages |
| Novia | Cahyani | Student | Further Evidence for the Non-Monophyly of the Genus Metopus (Metopidae, Metopida, Armophorea) |
| WANDERLEY | DE SOUZA | Cryo-EM Reveals New Information of the Structure of Trypanosomatids | |
| Eliska | Drncova | Student | The parasite awakens: Molecular remodeling of Acanthamoeba castellanii induced by host interaction |
| Zuzana | Dzureková | Student | Freshwater Perkinsea diversity revealed by long-read metabarcoding across various ecosystems in NE Poland |
| Gina | Fuller | Student | Diversity and behavior of ciliates associated with Caribbean marine invertebrates |
| Vanessa | Gelanová | Student | Unexpected Structural Diversity of Calpains: Novel Domain Architectures in Euglena gracilis |
| Natalia | Gogoleva | A mosquito-associated ciliate with a taxonomic problem: the case of Lambornella | |
| Marissabel | Gonzalez | Student | Sometimes it takes three to tango: Insights into diversity of symbiotic bacteria in marine anaerobic ciliates |
| Julia | Graf | Student | Repeat Dynamics and Structural Analysis of a Rhizarian Genome |
| Vladimír | Hampl | Spatial proteomics of Euglena gracilis | |
| Anežka | Harastejová | Student | Unveiling queuosine biosynthesis in eukaryotes |
| Jolana | Havlova | Student | Molecular epidemiology of Dientamoeba fragilis: mixed G1/G2 infection and higher prevalence in children |
| Leonie | Hecker | Student | Diversity of heterotrophic protists in the coastal and preandean cordilleras of the Atacama Desert |
| Dudley | Chung | Metagenomic diversity of an enrichment culture containing a novel amoeba from coastal Nova Scotia | |
| Nick | Irwin | The functional diversification of the nucleosome across eukaryotes | |
| Ryu | Isogai | Student | Non-parametric Bootstrap with the PMSF model can overestimate support values |
| Leïla | Jacquot | Student | Challenges in culture establishment of the kleptoplastidic dinoflagellate Nusuttodinium aeruginosum |
| Iva | Jadrná | Student | Factors shaping microscopic morphological traits: insights from the freshwater genus Synura (Stramenopiles) |
| Maria | Jagielska | Student | Comparative Analysis of Constitutive and Alternatively Spliced Nonconventional Introns in Euglena longa |
| Marie | Jalovecká | BdCDPK5 is an essential regulator of Babesia divergens intraerythrocytic progression | |
| Mahwash | Jamy | Uncovering hidden protist and fungal symbionts in wild insect communities | |
| Christina | Jasinski | Student | Origin Does Matter: Novel Plastid Genes Take Over the Peridinin Legacy in Dinoflagellates |
| Park | Jemin | Student | Characterization of three Stentor species from Korea (Ciliophora; Heterotrichida; Stentoridae) |
| Joshua Benjamin | Jewell | Student | Sampling strategy for Myocastor coypus gut eukaryome profiling: invasive versus non-invasive approaches |
| Valeria | Jimenez | Advances in nuclear genetic transformation tools in a dinotom dinoflagellate | |
| Kateřina | Jirků | Duration matters: long-term Blastocystis ST3 colonization enhances recovery from experimental colitis in rats | |
| Kateřina | Jirouchová | Student | Comparative B-Vitamin Management strategies in Chlamydomonadales and Heterolobosea |
| Elora | Kalita | Student | Characterization of the AOX-Like Protein in the Mitochondrial Biology of Leishmania mexicana |
| Veronika | Kantnerová | Student | Flexible by Design: Photobiont Turnover as a Mechanism of Lichen Resilience |
| Yasan | Karam | Student | Investigation of siRNAs and Ptiwi Proteins following dsRNA Feeding in Paramecium tetraurelia |
| Momoka | Kato | Student | Elucidation of the Diversity of Freshwater Ciliates in the Natural Environment |
| Julia | Kawa | Student | Intra-genomic variants of 18S rRNA gene among euglenids revealed by single-cell analysis |
| Sunju | Kim | Phylogenetic position of the Amoebophrya type species and broad divergence of the A. ceratii complex | |
| Anna | Koslova | Virophage mavirus as a DNA delivery tool in the marine protist Cafeteria burkhardae | |
| Michael | Kotyk | Molecular characterisation of entodiniomorphid ciliates from Wild Lowland Gorillas in Dzanga-Sangha PA, CAR | |
| Natalia | Kraeva | Beyond the Tandem Repeat: Complete Ablation of GP63 in Leishmania major | |
| Nanda | Kristanti | Student | Amending Tropidoatractus (Ciliophora, Armophorea, Tropidoatractidae): Novel Species Extend Morphological Bound |
| Hannah | LAEVERENZ-SCHLOGELHOFER | Bioelectric control and ciliary architecture underlying complex locomotion in the ciliate Euplotes | |
| Johan | DECELLE | PlanktoQuest: a virtual reality animation to explore the diversity and cell biology of marine protists |
| First name | Last name | Role | Title |
|---|---|---|---|
| Ka Hei | Lam | Student | Functional studies of Symbiosis in Anaeramoeba |
| Jacob | Luo | last minute additon, abstract not submitted | |
| Andrea | Lenti | Student | Discovering and culturing a novel deep-branching protist lineage unveiled from metagenomic datasets |
| Marc | Long | From competition to export: Dinoflagellates can shape vertical flux through the allelopathic shuttle | |
| Jan | Mach | Modular design of mitochondrion-targeted iron chelators as highly selective antiparasitic agens | |
| Ronald | Malych | Bioimaging of host cell killing by pathogenic free-living amoebae | |
| Eliška | Maturová | Student | A new genetic code variant in ciliates |
| Sara Elena | McHugh | Student | Temporally driven dynamics across stony coral holobionts |
| Debashrita | Mishra | Student | Monoamine Signalling in a Unicellular Eukaryote: Clues to Endocrine Evolution |
| David | Montagnes | Rituals and accolades as tools to maintain learned societal cohesions: a story of the ciliate cravat | |
| Jayaram | Moorthy | Student | Optimized Ribosomal RNA Depletion in Euglena gracilis via RNase H- Mediated Degradation |
| Hannah | Morris | Student | Developing experimental systems to study gregarine-host interactions in penaeid shrimp |
| Sigrid | Neuhauser | Revisiting the Taxonomy of Polymyxa graminis: Phylogenetic Insights Reveal Cryptic Diversity and Novel Tetramy | |
| Thu Duong | Nguyen together with Paulína Pristašová | Student | Hydrogenosomes and peroxisomes of anaerobic fungus Neocallimastix lanati |
| Quoc Dung | Nguyen | Student | A morpho-molecular characterization of two new metopid species belonging morphologically to the genus Metopus |
| Jiří | Novák | Student | The Rediscovered Diversity of Protists in the Guinea Pig Gut Microbiome |
| Anna | Novák Vanclová | In search of helper bacteria in microalgal cultures of the Roscoff Culture Collection | |
| Sharmila | Ortiz | The Peribasal Necklace: A Novel Basal Body–Associated Structure in Trichomonads | |
| Jana | Ovciarikova | Characterisation of ER membrane complex of Toxoplasma gondii | |
| Ekaterina | Panova | Student | Importance of CIA Pathway Protein Nbp35 in Fe-S Clusters Formation in Giardia intestinalis |
| Ji-Hye | Park | Student | A new species of Propecingulum (Ciliophora, Oligotrichia) from South Korea |
| Kristína | Pašuthová | Lineage-specific remodeling of ubiquinone biosynthesis in Euglenozoa | |
| Suzana | Pereira | Seasonal dynamics of microeukaryotic communities along a pollution gradient Guaíba lake, southern Brazil | |
| Dasha | Peter | Student | Novel Fungal Parasite Infecting Paramoeba daytonii |
| Jana | Pilátová | ||
| Elena | Poliakova | Student | Draft genome assembly of the facultative mosquito parasite Lambornella clarki |
| Victoria | Powell | Student | Functional characterization of a novel molybdate transporter related protein in the diatom chloroplast |
| Vanesa Rocio | Puente | Keys to symbiotic dialogue? Novel endosymbiont-targeted proteins in Angomonas deanei | |
| Alina | Radchenko | Student | Tubulin Post-Translational Modifications in Two Paratrimastix Species Revealed by Expansion Microscopy |
| Ananya Kedige | RAO | Hijacking Photosynthesis: Long-Term Retention and Integration of Stolen Organelles in a Planktonic Host | |
| Ragul | Ravikumar | Student | Functional characterization of a plastid-targeted homolog of the bacterial Rho factor in Euglena gracilis |
| Francine | Rigo | Student | Insights into Class Karyorelictea (Alveolata, Ciliophora) phylogeny with focus on Trachelocercidae |
| Alfredo | Rodriguez Ruiz | Student | Evolution and ecology of divergent free living and fecal-associated protists via phylogenomics and meta-omics |
| Jan | Říha | Student | Diversity of plastid ribosomes: insights from pan-eukaryotic survey of plastid and nuclear genomes |
| Swapnil | Sahoo | Student | Cellular Trafficking: One Protein, Three Destinations |
| Miguel | Méndez SANDÍN | OligoN-design: A simple and versatile tool to design specific probes and primers from large datasets | |
| Michael | Schweikert | Time-resolved morphological and transcriptomic analysis of gadolinium bioaccumulation in Tetrahymena | |
| Tomáš | Skalický | Rapid negative-phototaxis isolation of Chromera velia zoospores enables stage-resolved transcriptomics | |
| Christian | Spanner | Student | Unveiling trumpet ciliates: cryptic species in Stentor roeselii |
| Brittany N. | Sprecher | Utilizing Shotgun Proteomics to Better Understand Kleptoplasty in Mesodinium Ciliates | |
| Maite | Sütthoff | Student | Food selection of interception feeding heterotrophic chrysophytes influenced by salinity stress |
| Filip | Šlapal | Student | TerRas Incognita: Evolutionary analysis of Ras superfamily genes in poorly studied deep eukaryote lineages |
| Lea | Teifel | Student | Putative effector protein repertoire of the parasite Maullinia ectocarpii infecting brown algae |
| Petra | Tláskalová | Student | Transformation of Colpodella sp., free-living microbial eukaryotes closely related to apicomplexan parasites. |
| Júlia Katalin | Török | Walking a Fine Line: Testate Amoeba Assemblages in Low-Elevation Sphagnum Peatlands of the Carpathian Basin | |
| Natália | Trusina | Student | When respiration collapses: how mitochondria survive without essential proton pumps? |
| Ayça Fulya | Üstüntanır Dede | Connecting AEP Biosynthesis Enzyme and Mitochondrial Dynamics: New Findings from Tetrahymena thermophila | |
| Santa | Walker | Student | Comparative genomics of the algal protist Euglena |
| Johanna | Werner | Student | Top-Down Control of Cyanobacterial Blooms by Nuclearia in the Mosel |
| Sarah | Wurzel | Student | Uncovering Diversity in the Antarctic- Identification and phylogeny of a marine oomycete infecting green algae |
| Euki | Yazaki | Evolutionary conservation of the autophagy-related ubiquitin-like conjugation systems in Parabasalia | |
| Ellen | Yeh | ||
| Daryna | Zavadska | Evolution of mitochondrial and nuclear DNA content and phylogenomics of free-living Metakinetoplastids | |
| Marie | Zelená | Student | Structural analysis of the distal end of Trypanosoma brucei flagellar axoneme |
| Yang | Zou | ||
| Vojtěch | Žárský | Absence of endosymbiotic gene transfer in endosymbiont-bearing diplonemids | |
| Lilith | SOUTH | Making microbes tangible: Applying museum engagement practices to foster protist understanding and appreciation | |
| Johan | DECELLE | PlanktoQuest: a virtual reality animation to explore the diversity and cell biology of marine protists | |
| Vladimír | Varga | Micronaut – a platform for accurate 3D models of cells for educational and outreach purposes | |
| Anežka | Konupková | Student | From bleaching to major chloroplast reduction: Essential function of Derlin-like proteins in Euglena gracilis |
| Pia | Corre | Student | Energy metabolism and potential role of the plastid in the non-photosynthetic alga Leontynka |