Evolutionary analysis of Citrus tristeza virus outbreaks in Calabria, Italy: two rapidly spreading and independent introductions of mild and severe isolates

Salvatore Davino, Salvatore Davino, Diana E. Debreczeni, Anna Fontana, Luis Rubio, Ricardo Flores, Giuliana Albanese

Risultato della ricerca: Articlepeer review

2 Citazioni (Scopus)

Abstract

The evolution of citrus tristeza virus (CTV) from outbreaks occurred in Calabria, Italy, was compared with that of CTV outbreaks reported previously in another two proximal Italian regions, Sicily and Apulia. Examination of four genomic regions (genes p20, p25 and p23, and one fragment of open reading frame 1) showed two recombination events, and phylogenetic analysis disclosed two divergent CTV groups in Calabria: one formed by severe and the other by mild isolates. This analysis, together with others involving population genetic parameters, revealed a low migration rate of CTV between the three Italian regions, as well as significant differences in selective pressures, epidemiology and demography, all affecting the genetic structure of CTV populations.
Lingua originaleEnglish
pagine (da-a)607-613
Numero di pagine7
RivistaEuropean Journal of Plant Pathology
Volume140
Stato di pubblicazionePublished - 2014

All Science Journal Classification (ASJC) codes

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  • ???subjectarea.asjc.1100.1110???
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