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Updated: Apr 19, 2026

Rapid, Seamless Generation of Recombinant Poxviruses using Host Range and Visual Selection
Published on: May 24, 2020
Recombination as a motor of host switches and virus emergence: geminiviruses as case studies
Pierre Lefeuvre1, Enrique Moriones2
1CIRAD, UMR PVBMT, Pôle de Protection des Plantes, 7 chemin de l'IRAT, Saint-Pierre, Ile de la Réunion 97410, France.
Abstract:
Genetic recombination facilitates the transfer of genetic information in a parasexual reproduction manner even between distantly related species. Within the Geminiviridae family, a group of plant-infecting viruses that severely constrain cropping systems worldwide, it is highly suspected that recombination was pivotal in the emergence as a devastating phytopathological problem. Whereas extensive evidence of recombination suggests that this mechanism might be adaptive in this family, direct demonstration remains scarce. Here we assemble lines of evidences indicating that recombination was crucial in driving host switches and further emergence of geminiviruses, making these viruses such successful plant pathogens.
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