Below is the preliminary programme of the meeting. This new programme version is from March 6, 2026 (after confirmation of talks and posters).
| April 19 | |
| 12:30-16:00 | Mentoring Event (the czech academy of sciences building; Národní 1009/3, Prague 1) |
| 17:00-19:00 | Registration (conference hotel) |
| 17:30 | Welcome drink (conference hotel) |
| April 20 (all talks in Congress hall, single session) | |
| 7:30 | Registration |
| 8:30 | Opening ceremony |
| 9:00 | Plenary talks (30 mins each - David Montagnes, Victor Tobiasson, Ramon Massana) |
| 10:30 | Coffee break |
| 11:00 | The Symbiotic Continuum across the Tree of Life (ISOP-sponsored symposium ) |
| 12:30 | Lunch (and poster mounting) |
| 14:00 | Kleptoplasty: Living Between Feeding and Photosynthesis (ISOP-sponsored symposium II) |
| 15:30 | Poster session I (60 posters) (Libuše+Bruncvík+Přemysl) |
| 17:00 | Coffee break |
| 17:30 | Poster session II (60 posters) (Libuše+Bruncvík+Přemysl) |
| 19:00-22:00 | ISOP-sponsored Student Night (only for student ISOP members) |
| April 21 (Congress hall, Libuše, Bruncvík; plenaries in Congress hall + three parallel sessions) | |
| 8:30 | 2026 ISOP Hutner award winner announcement and 2025 ISOP Hutner award winner talk (Javier del Campo) |
| 9:20 | Grell prize winner talk (Society for Eukaryotic Microbiology): Jule Freudenthal and Alejandro Berlinches de Gea |
| 10:00 | ISOP Past President lecture (Sina Adl) |
| 10:30 | Coffee break |
| 11:00 | Parallel sessions (3) |
| 12:30 | Lunch |
| 14:00 | Plenary talk (F. Söderbom) |
| 14:30 | Parallel sessions (3) |
| 16:00 | Coffee break |
| 16:30 | Parallel sessions (3) |
| 18:00-19:00 | ISOP Annual Membership meeting |
| April 22 (Congress hall, Libuše, Bruncvík; three parallel sessions) | |
| 8:30 | Plenary talk (Alexandra Worden: Friends and enemies in protistan interdomain relationships) |
| 9:00 | Parallel sessions (3) |
| 10:30 | Coffee break |
| 11:00 | Parallel sessions (3) |
| 12:30 | Lunch |
| 14:00 | Plenary talk (M. Nowacki) |
| 14:30 | Parallel sessions (3) |
| 16:00 | Coffee break |
| 16:30 | Parallel sessions (3) |
| 17:30-19:00 | Membership meetings of the Italian Soc, Czech Soc., and Protistology Nordics, Society of Euk. Micro. |
| 19:00 | Banquet, ceremonies |
| April 23 (Congress hall, Libuše, Bruncvík; three parallel sessions) | |
| 8:30 | Parallel sessions (3) |
| 10:30 | Coffee break |
| 11:00 | Parallel sessions (3) |
| 12:30 | Lunch |
| Post-conference activities | |
| April 24 Conference trip (Karlštejn, optional) |