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The westward journey of alfalfa leaf curl virus

Davoodi Zohreh, Bejerman Nicolás, Richet Cécile, Filloux Denis, Kumari Safaa G., Chatzivassiliou Elisavet K., Galzi Serge, Julian Charlotte, Samarfard Samira, Trucco Verónica, Giolitti Fabián, Fiallo-Olivé Elvira, Navas-Castillo Jesús, Asaad Nader, Rahman Moukahel Abdul, Hijazi Jomana, Mghandef Samia, Heydarnejad Jahangir, Massumi Hossein, Varsani Arvind, Dietzgen Ralf G., Harkins Gordon William, Martin Darren Patrick, Roumagnac Philippe. 2018. The westward journey of alfalfa leaf curl virus. Viruses, 10 (10):542, 16 p.

Journal article ; Article de recherche ; Article de revue à facteur d'impact Revue en libre accès total
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Quartile : Q2, Sujet : VIROLOGY

Abstract : Alfalfa leaf curl virus (ALCV), which causes severe disease symptoms in alfalfa (Medicago sativa L.) and is transmitted by the widespread aphid species, Aphis craccivora Koch, has been found throughout the Mediterranean basin as well as in Iran and Argentina. Here we reconstruct the evolutionary history of ALCV and attempt to determine whether the recent discovery and widespread detection of ALCV is attributable either to past diagnostic biases or to the emergence and global spread of the virus over the past few years. One hundred and twenty ALCV complete genome sequences recovered from ten countries were analyzed and four ALCV genotypes (ALCV-A, ALCV-B, ALCV-C, and ALCV-D) were clearly distinguished. We further confirm that ALCV isolates are highly recombinogenic and that recombination has been a major determinant in the origins of the various genotypes. Collectively, the sequence data support the hypothesis that, of all the analyzed locations, ALCV likely emerged and diversified in the Middle East before spreading to the western Mediterranean basin and Argentina.

Mots-clés géographiques Agrovoc : Iran République islamique, Argentine, Région méditerranéenne

Classification Agris : H20 - Plant diseases
F30 - Plant genetics and breeding

Champ stratégique Cirad : Axe 4 (2014-2018) - Santé des animaux et des plantes

Auteurs et affiliations

  • Davoodi Zohreh, CIRAD-BIOS-UMR BGPI (FRA)
  • Bejerman Nicolás, CONICET (ARG)
  • Richet Cécile, INRA (FRA)
  • Filloux Denis, CIRAD-BIOS-UMR BGPI (FRA)
  • Kumari Safaa G., ICARDA (SYR)
  • Chatzivassiliou Elisavet K., Agricultural University of Athens (GRC)
  • Galzi Serge, CIRAD-BIOS-UMR BGPI (FRA)
  • Julian Charlotte, CIRAD-BIOS-UMR BGPI (FRA)
  • Samarfard Samira, University of Queensland (AUS)
  • Trucco Verónica, INTA (ARG)
  • Giolitti Fabián, INTA (ARG)
  • Fiallo-Olivé Elvira, Universidad de Málaga (ESP)
  • Navas-Castillo Jesús, Universidad de Málaga (ESP)
  • Asaad Nader, GCSAR (SYR)
  • Rahman Moukahel Abdul, ICARDA (LBN)
  • Hijazi Jomana, NCARE (JOR)
  • Mghandef Samia, ICARDA (TUN)
  • Heydarnejad Jahangir, Shahid Bahonar University of Kerman (IRN)
  • Massumi Hossein, Shahid Bahonar University of Kerman (IRN)
  • Varsani Arvind, Arizona State University (USA)
  • Dietzgen Ralf G., University of Queensland (AUS)
  • Harkins Gordon William, University of the Western Cape (ZAF)
  • Martin Darren Patrick, UCT (ZAF)
  • Roumagnac Philippe, CIRAD-BIOS-UMR BGPI (FRA) ORCID: 0000-0001-5002-6039 - auteur correspondant

Source : Cirad-Agritrop (https://agritrop.cirad.fr/589054/)

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