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Updated: May 6, 2026

Combining Analysis of DNA in a Crude Virion Extraction with the Analysis of RNA from Infected Leaves to Discover New Virus Genomes
Published on: July 27, 2018
The common evolutionary history of badnaviruses and banana
Marie-Line Iskra-Caruana1, Pierre-Olivier Duroy1, Matthieu Chabannes1
1CIRAD, UMR BGPI, F-34098 Montpellier, France.
Abstract:
Recent plant genome sequencing efforts have revealed myriad viral sequences suggesting a cryptic interaction between both partners. Interestingly, no integration step has ever been reported as an obligatory step in the life cycle of plant viruses. Circular dsDNA viruses belonging to the family Caulimoviridae are the most abundant among integrated plant viral sequences. In this review, we describe how this hitherto hidden interaction could inform the evolutionary history of both partners badnaviruses and banana plants.
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