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Team “Biology and Evolution of RNA Plant Viruses”

Research Unit INRA-Agrocampus Ouest-Rennes1 “Biology of Organisms and Populations applied to Plant Protection”

The main research programs of the team “Biology and Evolution of RNA Plant Viruses” focus on host adaptation of viral populations, on characterisation of molecular determinants of viral pathogenic properties, on molecular epidemiology of viruses and on viral evolution processes. Each of these topics are performed on either Potato virus Y (PVY, Potyvirus), Barley Yellow Dwarf Virus-PAV (BYDV-PAV, Luteovirus) or Tobacco Rattle Virus (TRV, Tobravirus), the main three viral species studied by the team.

The evolutionary approaches developed by the team are based on the use of molecular markers linked to biological properties of viruses in order to analyse processes and events associated with viral adaptations. Last but not least, during the last ten years the team has developed and improved numerous original methods/tools for the detection/characterization of viral isolates and populations.

Selected publications :

q Rolland M., Glais L., Kerlan C., Jacquot E. A multiple single nucleotide polymorphisms interrogation assay (SNaPshot) for reliable Potato virus Y (PVY) group and variant characterization. Journal of Virological Methods, in press.
q Chain F., Riault, G., Trottet M., Jacquot E. Valuation of the durability of the Barley yellow dwarf virus-resistant Zhong ZH and TC14 wheat lines. European Journal of Plant Pathology, (2007); 117(1): 35-43.
q Chain F., Riault, G., Trottet M., Jacquot E. Analysis of time accumulation patterns of Barley yellow dwarf virus- PAV (BYDV-PAV) in two resistant wheat lines. European Journal of Plant Pathology, (2005); 113:343-355.
q Jacquot E., Tribodet M., Croizat F., Balme-Sinibaldi V., Kerlan C. A single nucleotide polymorphism-based technique for specific detection of YO and YN isolates of Potato Virus Y (PVY). Journal of Virological Methods, (2005);125(1):83-93.
q Tribodet M., Glais L., Kerlan C., Jacquot E. Characterization of Potato virus Y molecular determinants involved in the vein necrosis symptom induced by PVYN isolates in infected Nicotiana tabacum cv. Xanthi. Journal of General Virology, (2005); 86 (7):2101-2105.

Emmanuel Jacquot (Head of the team)
emmanuel.jacquot()rennes.inra.fr

Agnès Delaunay
agnes.delaunay@rennes.inra.fr

INRA-Agrocampus Ouest-Rennes1

                   UMR BiO3P
        Domaine de la Motte, BP35327
               35653 Le Rheu Cedex
             Tel : 0033 223486155
          Fax : 0033 223485180

Writing: A. Delaunay
Creation date: 26 September 2007
Update: 19 October 2010