Below is the preliminary programme of the meeting. The final programme will be available after February 20, 2026, when abstract submission closes.
| April 19 | |
| 12:30 | ISOP-sponsored Mentoring Event |
| 17:00 | Registration open |
| 17:30 | Welcome drink |
| April 20 (congress hall, plenary) | |
| 7:30 | Registration |
| 8:30 | Opening ceremony |
| 9:00 | Plenary talks (30 mins each - David Montagnes, Victor Tobiasson + 1) |
| 10:30 | Coffee break |
| 11:00 | The Symbiotic Continuum across the Tree of Life (ISOP-sponsored symposium ) |
| 12:30 | Lunch |
| 14:00 | Plenary talk (Alexandra Worden: Friends and enemies in protistan interdomain relationships) |
| 14:45 | Kleptoplasty: Living Between Feeding and Photosynthesis (ISOP-sponsored symposium II) |
| 16:15 | Coffee break |
| 17:00 | Poster session or plenary talks |
| 19:00 | ISOP-sponsored Student Night (only for junior ISOP members) |
| April 21 (plenary in the morning, three parallel sessions from 11:00 AM) | |
| 8:30 | 2026 ISOP Hutner award winner announcement and 2025 ISOP Hutner award winner talk (Javier del Campo) |
| 9:25 | Grell prize winner talk (Society for Eukaryotic Microbiology) |
| 10:00 | ISOP Past President lecture (Sina Adl) |
| 10:30 | Coffee break |
| 11:00 | Parallel sessions (3) |
| 12:30 | Lunch |
| 14:00 | Parallel sessions (3) |
| 15:30 | Parallel sessions (3) |
| 17:00 | Coffee break |
| 17:00 | Poster session or parallel sessions |
| 18:30 | ISOP Annual Membership meeting |
| April 22 (three parallel sessions) | |
| 9:00 | Parallel sessions (3) |
| 10:30 | Coffee break |
| 11:00 | Parallel sessions (3) |
| 12:30 | Lunch |
| 14:00 | Parallel sessions (3) |
| 15:30 | Coffee break |
| 17:00 | Parallel sessions (2) + membership meeting of the Society of Eukaryotic Microbiology |
| 18:30 | Membership meetings of the Italian Soc, Czech Soc., and Protistology Nordics |
| 19:00 | Banquet, student award ceremonies, concluding remarks |
| April 23 (three parallel sessions) | |
| 9:00 | Parallel sessions (3) |
| 10:30 | Coffee break |
| 11:00 | Parallel sessions (3) |
| 12:30 | Lunch |
| Post-conference activities |
