Phytopathogenic Mollicutes
SCOPUS
  • Year: 2019
  • Volume: 9
  • Issue: 1

Role of membrane protein Imp of “flavescence dorée” phytoplasma in interaction with insect proteins: preliminary results

  • Author:
  • Valeria Trivellone1,2,, Matteo Ripamonti3, Elisa Angelini2, Luisa Filippin2, Marika Rossi3, Cristina Marzachí3, Luciana Galetto3
  • Total Page Count: 2
  • Page Number: 121 to 122

1Illinois Natural History Survey, Prairie Research Institute, University of Illinois, Champaign, United States of America

2Council for Agricultural Research and Economics (CREA), Research Centre for Viticulture and Enology, Conegliano, Treviso, Italy

3Institute for Sustainable Plant Protection, National Research Council, Turin, Italy

*Corresponding author e-mail: Valeria Trivellone (valeria.trivellone@gmail.com)

Online published on 25 July, 2019.

Abstract

The involvement of the immunodominant membrane protein Imp of 16SrV-D phytoplasma in the interaction with insect proteins was investigated. The His-tagged partial Imp protein and a rabbit polyclonal antibody were produced and used in Far-Western dot Blot (FWdB) assays. Total native proteins were extracted from batches of six insect species (Scaphoideus titanus, Euscelidius variegatus, Macrosteles quadripunctulatus, Ricania speculum, Metcalfa pruinosa and Zyginidia pullula). FWdB showed interaction of Imp fusion protein with total proteins of S. titanus, E. variegatus (known as efficient vectors) and M. quadripuncltulatus (potential vector), while no interaction signal was detected with the other three species that are reported as non-phytoplasma vectors.

Keywords

Imp, leafhoppers, grapevine yellows, planthoppers