Home FOR AUTHORS Acta Virologica 2014 Acta Virologica Vol.58, No.3 p.245-258, 2014

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Quarterly,
Founded: 1957
ISSN 0001-723X
E-ISSN 1336-2305

Published in English

Impact Factor = 1.82

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Acta Virologica Vol.58, No.3 p.245-258, 2014

Title: Prevalence and genetic diversity of fig mosaic virus isolates infecting fig tree in Iran
Author: S. DANESH-AMUZ, F. RAKHSHANDEHROO, S. REZAEE
Abstract:  Commercial and outdoor fig orchards in four Iranian provinces were surveyed for the incidence of fig mosaic virus (FMV), fig leaf mottle associated virus 2 (FLMaV-2) and fig mild mottle associated virus (FMMaV) from March 2011 to October 2012. A total of 350 asymptomatic and symptomatic fig samples were collected and tested by dot-immunobinding assay (DIBA) for the fig mosaic disease (FMD) using a polyclonal antiserum. According to DIBA results, FMD was present in 73% of the collected symptomatic samples from all visited regions. Samples with positive reactions in DIBA were then analyzed by RT-PCR using with specific primers. PCR results showed that about 14.8% of the FMD-positive samples from three inspected provinces are infected with at least one virus. FMV was the most widely spread virus (14%) followed by FLMaV-2 (1.5%), whereas FMMaV was not found. Phylogenetic analysis of the glycoprotein nucleotide and amino acid sequences of known FMV isolates showed two independent groups with high bootstrap values, with all Iranian isolates distinctly clustered in group I, subgroup IA beside those reported in Turkey. Nucleotide diversity was high within but low between different selected geographic regions and except for Europe, nucleotide distance within geographic regions was low. Statistical analyses indicated a correlation between the genetic structure of the FMV isolates and the geographical origin of isolation. Our analyses suggested that the FMV population is in a state of increase following a bottleneck or founder event in Iran.
Keywords: Ficus carica; phylogeny; genetic diversity; RT-PCR; sequencing
Year: 2014, Volume: 58, Issue: 3 Page From: 245, Page To: 252
doi:10.4149/av_2014_03_245


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