Full-genome analysis of Plum pox virus D isolates from Turkey

K. Gürcan, A. Ceylan
Plum pox virus (PPV) severely damages and reduces the yield of stone fruits. Among the nine identified strains (An, C, CR, D, M, EA, Rec, T and W), strain D is widely disseminated, and causes the most outbreaks outside Europe. Recently, PPV-D isolates were detected in different provinces of Turkey. However, no information is available about the whole-genome sequence of PPV-D in Turkey (PPV-DT), which is important to understand the epidemiology of PPV strains. In this study, we have determined the whole-genome sequences of six PPV-D isolates. The nucleotide and amino acid composition of PPV-DT isolates was found to be similar to that of PPV-D isolates deposited in GenBank. Intragroup diversity was found to be slightly higher (1.34%) in six Turkish D isolates than for 13 global D isolates (1.27%). Recombination analysis identified five recombination events involving Turkish D isolates, and a sample called İstanbul8 exhibited two recombination events. Global D and Turkish D isolates differed at 111 amino acid positions. Turkish D isolates were found to be closer to EA, M, Rec and T strains rather than global D isolates at the amino acid sequence level. The findings suggest that PPV-D isolates in Turkey are not a recent introduction to the country.
Gürcan, K. and Ceylan, A. (2017). Full-genome analysis of Plum pox virus D isolates from Turkey. Acta Hortic. 1163, 75-84
DOI: 10.17660/ActaHortic.2017.1163.12
sharka, stone fruits, plant disease

Acta Horticulturae