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Endogenous florendoviruses are major components of plant genomes and hallmarks of virus evolution

Author

Listed:
  • Andrew D. W. Geering

    (Queensland Alliance for Agriculture and Food Innovation, The University of Queensland)

  • Florian Maumus

    (INRA, UR1164 URGI, INRA de Versailles-Grignon, Route de Saint-Cyr)

  • Dario Copetti

    (Arizona Genomics Institute, School of Plant Sciences, BIO5 Institute, University of Arizona
    International Rice Research Institute, Genetic Resource Center)

  • Nathalie Choisne

    (INRA, UR1164 URGI, INRA de Versailles-Grignon, Route de Saint-Cyr)

  • Derrick J. Zwickl

    (University of Arizona)

  • Matthias Zytnicki

    (INRA, UR1164 URGI, INRA de Versailles-Grignon, Route de Saint-Cyr)

  • Alistair R. McTaggart

    (Queensland Alliance for Agriculture and Food Innovation, The University of Queensland)

  • Simone Scalabrin

    (Istituto di Genomica Applicata, Parco Scientifico e Tecnologico di Udine Luigi Danieli)

  • Silvia Vezzulli

    (Research and Innovation Centre, Fondazione Edmund Mach)

  • Rod A. Wing

    (Arizona Genomics Institute, School of Plant Sciences, BIO5 Institute, University of Arizona
    International Rice Research Institute, Genetic Resource Center)

  • Hadi Quesneville

    (INRA, UR1164 URGI, INRA de Versailles-Grignon, Route de Saint-Cyr)

  • Pierre-Yves Teycheney

    (CIRAD UMR AGAP, Station de Neufchâteau, Sainte-Marie)

Abstract

The extent and importance of endogenous viral elements have been extensively described in animals but are much less well understood in plants. Here we describe a new genus of Caulimoviridae called ‘Florendovirus’, members of which have colonized the genomes of a large diversity of flowering plants, sometimes at very high copy numbers (>0.5% total genome content). The genome invasion of Oryza is dated to over 1.8 million years ago (MYA) but phylogeographic evidence points to an even older age of 20–34 MYA for this virus group. Some appear to have had a bipartite genome organization, a unique characteristic among viral retroelements. In Vitis vinifera, 9% of the endogenous florendovirus loci are located within introns and therefore may influence host gene expression. The frequent colocation of endogenous florendovirus loci with TA simple sequence repeats, which are associated with chromosome fragility, suggests sequence capture during repair of double-stranded DNA breaks.

Suggested Citation

  • Andrew D. W. Geering & Florian Maumus & Dario Copetti & Nathalie Choisne & Derrick J. Zwickl & Matthias Zytnicki & Alistair R. McTaggart & Simone Scalabrin & Silvia Vezzulli & Rod A. Wing & Hadi Quesn, 2014. "Endogenous florendoviruses are major components of plant genomes and hallmarks of virus evolution," Nature Communications, Nature, vol. 5(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms6269
    DOI: 10.1038/ncomms6269
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    Cited by:

    1. Paul Vincelli, 2016. "Genetic Engineering and Sustainable Crop Disease Management: Opportunities for Case-by-Case Decision-Making," Sustainability, MDPI, vol. 8(5), pages 1-22, May.

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