Abstract
Grapevine fanleaf virus (GFLV) and Grapevine leafroll-associated virus 3 (GLRaV-3) have been detected by Double-Antibody Sandwich (DAS)-ELISA in six locations where grapevines are commonly grown in Jordan. Using pairs of specific primers, fragments of the RNA-dependent RNA polymerase (RdRp) gene of GLRaV-3 and the coat protein (CP) gene of GFLV were amplified from symptomatic grapevine tissues by Immunocapture- Reverse Transcriptase-Polymerase Chain Reaction (IC-RT-PCR). After cloning and sequencing, sequences of the amplified fragments were deposited in Genbank. Alignment analysis revealed that the amplified CP gene fragment of the Jordanian isolate of GFLV (GFLV-JOR) shared sequence identity between 82 and 88% with 11 GFLV isolates from different parts of the world. High sequence identity (95-99%) was observed between the amplified fragment of RdRp gene of GLRaV-3 from Jordan (GLRaV-3-JOR) and isolates from Brazil, USA, Czech Republic and China.
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