Geographical differentiation of the molecular diversity of cacao swollen shoot virus in Togo

Oro Zokou Franck, Mississo Essivi, Okassa Mireille, Guilhaumon Claire, Fenouillet Catherine, Cilas Christian, Muller Emmanuelle. 2012. Geographical differentiation of the molecular diversity of cacao swollen shoot virus in Togo. Archives of Virology, 157 (3) : pp. 509-514.

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Quartile : Q3, Sujet : VIROLOGY

Abstract : The variability of cacao swollen shoot virus (CSSV) was studied in two areas of Togo with distinct epidemiological backgrounds, Kloto and Litime´. This molecular study was based on 120 sequence comparisons of the first part of ORF3 of the viral genome. The phylogenetic study distinguished three groups of CSSV isolates, A, B, and C, with clear geographical differentiation between the Kloto and Litime´ areas. The only group detected in Kloto was group C, whereas the Litime´ area only contained isolates from groups A and B, which most probably originated from Ghana. The divergence between the three groups strongly suggests a different origin for each of the groups. (Résumé d'auteur)

Mots-clés Agrovoc : Theobroma cacao, Virus des végétaux, Distribution géographique, Caulimovirus, Variation génétique

Mots-clés géographiques Agrovoc : Togo, Ghana

Mots-clés complémentaires : Cacao swollen shoot virus

Classification Agris : H20 - Plant diseases

Champ stratégique Cirad : Axe 1 (2005-2013) - Intensification écologique

Auteurs et affiliations

  • Oro Zokou Franck, CIRAD-BIOS-UPR Bioagresseurs (FRA)
  • Mississo Essivi, CRA-F (TGO)
  • Okassa Mireille
  • Guilhaumon Claire
  • Fenouillet Catherine, CIRAD-BIOS-UPR Bioagresseurs (FRA)
  • Cilas Christian, CIRAD-BIOS-UPR Bioagresseurs (FRA)
  • Muller Emmanuelle, CIRAD-BIOS-UMR BGPI (FRA)

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