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Virus-derived sequences in the nuclear genome of grapevine

Abstract : Bioinformatic analyses of two nuclear genomes of grapevine revealed multiple events of horizontal gene transfer from pararetroviruses. The ~200-800 bp inserts apparently derived from unknown or extinct caulimo- and tungroviruses were found in 11 chromosomes. These inserts corresponded to partial ORFs encoding reverse transcriptase. Because there are no known grapevine pararetroviruses, this result suggests that viral inserts have conferred host resistance to these viruses. In addition, a ~50 bp insert originating from Grapevine leafroll-associated virus-1, a positive-strand RNA closterovirus, was present in chromosome 1. This insert was also found in the genomes of several North American and Asian Vitaceae species.
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https://hal.inrae.fr/hal-02824019
Déposant : Migration Prodinra <>
Soumis le : samedi 6 juin 2020 - 22:09:12
Dernière modification le : vendredi 12 juin 2020 - 10:43:26

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  • HAL Id : hal-02824019, version 1
  • PRODINRA : 45913

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Christophe Bertsch, Monique Beuve, Valerian Dolja, Marion Wirth, Frederique Pelsy, et al.. Virus-derived sequences in the nuclear genome of grapevine. 16th Meeting of the International Council for the Study of Virus and virus-like diseases of the Grapevine (ICVG), Aug 2009, Dijon, France. Progrès Agricole et Viticole, pp.52-53, 2009, Progrès Agricole et Viticole. ⟨hal-02824019⟩

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