First Report of the Presence of Plum pox virus Rec Strain in Turkey

Plum pox virus (PPV) is a detrimental virus in stone fruit crops. Six strains of PPV are recognized, one of which, PPV-Rec, represents a group of isolates sharing a unique founding recombination event (2). This strain has been reported only from central and south-central Europe. Its distribution is...

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Veröffentlicht in:Plant disease. - 1997. - 91(2007), 3 vom: 01. März, Seite 331
1. Verfasser: Candresse, T (VerfasserIn)
Weitere Verfasser: Svanella-Dumas, L, Gentit, P, Caglayan, K, Çevik, B
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2007
Zugriff auf das übergeordnete Werk:Plant disease
Schlagworte:Journal Article
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520 |a Plum pox virus (PPV) is a detrimental virus in stone fruit crops. Six strains of PPV are recognized, one of which, PPV-Rec, represents a group of isolates sharing a unique founding recombination event (2). This strain has been reported only from central and south-central Europe. Its distribution is of interest because PPV-Rec is reported to induce only weak and transient symptoms in GF305 peach seedlings, which may complicate its detection using this widely used indicator (2). During a field trip in May 2006, a Japanese plum (Prunus salicina) tree showing leaf symptoms reminiscent of PPV infection was identified in Isparta, Turkey. A leaf sample tested by a serological lateral flow PPV Pocket Diagnostic (Central Science Laboratory, Sand Hutton, UK) gave a weak positive reaction. The presence of PPV was confirmed by grafting onto GF305 peach and by PCR amplification and sequencing of a short P3M-P4b PCR product (1; positions 8446 to 8912 on PPV-BOR3; GenBank Accession No. AY028309) spanning the end of the NIb gene and the N-terminal hypervariable end of the coat protein gene. Comparison of the sequence obtained (GenBank Accession No. EF051630) with databases unambiguously identified the isolate as belonging to the Rec strain because it contained all the PPV-Rec specific mutations in the amplified region. In keeping with this identification, the symptoms observed in GF305 were very weak, consisting only of slight vein clearing on a few leaves. This is, to our knowledge, the first report of the presence of PPV-Rec in Turkey. References: (1) T. Candresse et al. Phytopathology 88:198, 1998. (2) M. Glasa et al. J. Gen. Virol. 85:2671, 2004 
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700 1 |a Gentit, P  |e verfasserin  |4 aut 
700 1 |a Caglayan, K  |e verfasserin  |4 aut 
700 1 |a Çevik, B  |e verfasserin  |4 aut 
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