Home HOME Acta Virologica 2019 Acta Virologica Vol.63, No.2, p.217-222, 2019

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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.63, No.2, p.217-222, 2019

Title: Characterization and full genome sequencing of a velogenic Newcastle disease virus (NDV) strain Ck/IR/Beh/2011 belonging to subgenotype VII(L)
Author: H. GOUDARZI, S. VAN BORM, M. BASHASHATI, F. SABOURI, M. ABDOSHAH, A. NOURI, M. BANANI, M. MAJID EBRAHIMI, A. MOLOUKI

Abstract: Avian avulavirus 1, better known as Newcastle disease virus (NDV), causes substantial loss to the poultry industry in many developing countries. In this study we have characterized and fully sequenced the genome of a velogenic NDV strain named Beh (Ck/IR/Beh/2011) that has been used in our lab for a number of challenge and immunological studies over the last few years. This strain was isolated from poultry in the city of Behshahr, Mazandaran Province, Iran after an outbreak reported in the region in 2011. The intracerebral pathogenicity index (ICPI) was 1.8 in one-day-old chicks, characteristic of a velogenic NDV strain. Later, the virus was purified using a sucrose gradient centrifugation and used for next-generation sequencing (NGS). The results showed that the genome length was 15192 bp, similar to those of class II velogenic strains. In addition, the phylogenetic analysis based on the complete F gene showed that the NDV strain Beh has an F protein cleavage site 112RRQKR↓ F117 and belongs to the newly identified subgenotype VII(L). Based on the biological and genetic characterization, NDV strain Beh is now the best documented reference isolate representing the novel subgenotype VII(L) in Iran.

Keywords: NDV; NGS; velogenic strain, subgenotype VII(L); phylogenetic analysis
Published online: 03-May-2019
Year: 2019, Volume: 63, Issue: 2 Page From: 217, Page To: 222
doi:10.4149/av_2019_206


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