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24, chemin de Borde Rouge -Auzeville - CS52627 31326 Castanet Tolosan cedex - France

Last update: May 2021

Menu Logo Principal

PVY Organization

Zone de texte éditable et éditée

Alexander V. Karasev

University of Idaho (UI)

Alexander V. Karasev
A Public, Land-Grant University


  • Virus-host interactions
  • Resistance to PVY
  • Genetic diversity of PVY strains
  • Evolution of PVY
  • Methods to detect PVY and differentiate PVY strains


  • Comparative genomics
  • Reverse genetics


Alexander V. Karasev (Head of the team)

Photo Karasev

  : 1+208-885-2350 



10 people

Litterature cited

  • Green, K.J., Chikh-Ali, M., Hamasaki, R.T., Melzer, M.J., and Karasev, A.V. (2017) Potato virus Y (PVY) isolates from Physalis peruviana are unable to systemically infect potato or pepper and form a distinct new lineage within the PVYC strain group. Phytopathology 107: published on-line June 27, 2017 (
  • Elwan, E.A., Abdel Aleem, E.E., Fattouh, F.A., Green, K.J., Tran, L.T., and Karasev, A.V. (2017) Occurrence of diverse recombinant strains of Potato virus Y circulating in potato fields in Egypt. Plant Disease 101: published on-line April 17, 2017 (
  • Green, K.J., Brown, C.J., Gray, S.M., and Karasev, A.V. (2017) Phylogenetic study of recombinant strains of Potato virus Y. Virology 507: 40-52.
  • Funke, C.N., Nikolaeva, O.V., Green, K.J., Tran, L.T., Chikh-Ali, M., Quintero-Ferrer, A., Cating, R., Frost, K.E., Hamm, P.B., Olsen, N., Pavek, M.J., Gray, S.M., Crosslin, J.M., and Karasev, A.V. (2017) Strain-specific resistance to Potato virus Y (PVY) in potato and its effect on the relative abundance of PVY strains in commercial potato fields. Plant Disease 101: 20-28.
  • Karasev, A.V. and Gray, S.M. (2013) Continuous and emerging challenges of Potato virus Y in potato. Annual Review of Phytopathology 51: 571-586