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Article Dans Une Revue (Article De Synthèse) Viruses Année : 2023

From Mimivirus to Mirusvirus: The Quest for Hidden Giants

Résumé

Our perception of viruses has been drastically evolving since the inception of the field of virology over a century ago. In particular, the discovery of giant viruses from the Nucleocytoviricota phylum marked a pivotal moment. Their previously concealed diversity and abundance unearthed an unprecedented complexity in the virus world, a complexity that called for new definitions and concepts. These giant viruses underscore the intricate interactions that unfold over time between viruses and their hosts, and are themselves suspected to have played a significant role as a driving force in the evolution of eukaryotes since the dawn of this cellular domain. Whether they possess exceptional relationships with their hosts or whether they unveil the actual depths of evolutionary connections between viruses and cells otherwise hidden in smaller viruses, the attraction giant viruses exert on the scientific community and beyond continues to grow. Yet, they still hold surprises. Indeed, the recent identification of mirusviruses connects giant viruses to herpesviruses, each belonging to distinct viral realms. This discovery substantially broadens the evolutionary landscape of Nucleocytoviricota. Undoubtedly, the years to come will reveal their share of surprises.
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Origine : Publication financée par une institution
Licence : CC BY - Paternité

Dates et versions

hal-04385790 , version 1 (10-01-2024)

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Paternité

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Morgan Gaïa, Patrick Forterre. From Mimivirus to Mirusvirus: The Quest for Hidden Giants. Viruses, 2023, 15 (8), pp.1758. ⟨10.3390/v15081758⟩. ⟨hal-04385790⟩
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