Biological characterization of Citrus tristeza virus monophyletic isolates with respect to p25 gene

Hancevic, K.; Cerni, S.; Nolasco, Gustavo; Radic, T.; Djelouah, K.; Skoric, D.

http://hdl.handle.net/10400.1/6227

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Abstract(s)

Citrus tristeza virus (CTV) is the most destructive viral pathogen of citrus and displays a high level of genetic and phenotypic diversity. In this study the biological characterization of monophyletic CTV-isolates based on p25 gene (Gp 1, Gp 2, Gp 3a, Gp 4, Gp 5, Gp M) was analyzed for the first time on the set of standard indicator plants and unde r the same environmental conditions, in order to compare the phenotypic characteristics of p25 genomic variants. The results showed that tested CTV-isolates varied in their ability to induced symptoms as well as in severity of symptoms e. g. pathogenicity. (C) 2012 Elsevier Ltd. All rights reserved.