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© A-M. Pais-Correia, M-I. Thoulouze, A. Alcover, A. Gessain
Mise en évidence de structures de type "biofilm ", formées par le rétrovirus HTLV-1 générés par des cellules infectées (cellules du haut), qui ont été transmis à un autre lymphocyte (cellule du bas). Micrographie en microscopie électronique à balayage. Image colorisée.

About

Olivier Cassar born in 1965, is a former researcher of the Institut Pasteur International network. He studied at the University Paris Diderot in Paris where he earned his Doctorate es Sciences in Virology in 2008. His primary research interests were the molecular epidemiology and physiopathology of dengue viruses. In 2005, he joined the EPVO unit and focused his researches on HTLV-1 and HHV-8 oncogenic viruses. More recently he was also interested in the Merkel cell Polyomavirus etiologically linked to Merkel cell carcinoma, an agressive primary cutaneous cancer.
His work aim to study the global distribution of these viruses and characterize new viral variants to better understand the origin (through interspecies transmission), the evolution (by genetic drift and more rarely by recombination) and the dissemination of these viruses during migration of infected populations. These are mainly individuals from “isolates” of populations and/or “ancient” populations living in Australia (Aborigines), New Caledonia (Melanesians), Cameroon (Pygmy, Bantu) and South America (Native Americans) .
During the recent period (2013-2015), he worked with international teams in Australia (Dr. Lloyd Einsiedel), Canada (Pr. Jacques Pépin) and the USA (Pr. Jean- Laurent Casanova) bringing his expertise in the fields of virology and molecular phylogeny. Meanwhile, he participated in various research projects in collaboration with the Institut Pasteur International Network; in New Caledonia, Cameroon and French Guiana.
Since 2010, he is also greatly involved in the ethical aspects of researches developed in humans, both in the EPVO unit and the Direction of Public Health and Medical Affairs at the Institut Pasteur. Indeed, he is member of the Institutional Ethics Committee of Research “International Review Board Committee” and the Ethics Committee for projects financed by the European Community the “Ethics Board for European contract”.
In 2013, he joined the Scientific Committee of the Clinical Investigation and Access to Biological Resources Platform (ICAReB) of the Institut Pasteur. Finally, in January 2015, he became head of the Tutoring team within the Direction for Education at the Institut Pasteur in Paris.

Courses

AI in Neurosciences hands-on workshop

This workshop provides training in modelling and model-driven analysis of neuroscience experimental data. We will cover fundamental principles of neural data analysis, behaviour video data and show recent progress in these approaches. The workshop […]

2025-12-03 09:00:00 2025-12-03 17:00:00 Europe/Paris AI in Neurosciences hands-on workshop This workshop provides training in modelling and model-driven analysis of neuroscience experimental data. We will cover fundamental principles of neural data analysis, behaviour video data and show recent progress in these approaches. The workshop […] Pasteur Institute, Rue du Docteur Roux, Paris, France

AI in Structural Biology hands-on workshop

This workshop provides training in AI-driven structure prediction from sequence and cutting-edge protein design techniques. It covers both fundamental and advanced methods, offering a solid foundation for applying these tools effectively and for critically […]

2025-11-13 09:00:00 2025-11-13 17:00:00 Europe/Paris AI in Structural Biology hands-on workshop This workshop provides training in AI-driven structure prediction from sequence and cutting-edge protein design techniques. It covers both fundamental and advanced methods, offering a solid foundation for applying these tools effectively and for critically […] Pasteur Institute, Rue du Docteur Roux, Paris, France

AI in Genomics hands-on workshop

Part 1. Fine-tuning biological LLMs for functional classification Intructor: Ernest Mordret (postdoctoral researcher at the Institut Pasteur) Large Language Models (LLMs) are revolutionizing biology! They capture intricate patterns within DNA and protein sequences through […]

2025-10-30 09:00:00 2025-10-30 17:00:00 Europe/Paris AI in Genomics hands-on workshop Part 1. Fine-tuning biological LLMs for functional classification Intructor: Ernest Mordret (postdoctoral researcher at the Institut Pasteur) Large Language Models (LLMs) are revolutionizing biology! They capture intricate patterns within DNA and protein sequences through […] Pasteur Institute, Rue du Docteur Roux, Paris, France

Publications

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