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Detection of the Chinese Genotype of Infectious Bronchitis Virus (QX-type) in Iran
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Mohammad Hassan Bozorgmehri-Fard   , Saied Charkhkar , Hossein Hosseini * |
| Department of Clinical Sciences, Faculty of Veterinary Medicine, Islamic Azad University, Karaj Branch, Karaj, Iran |
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Abstract: (6743 Views) |
| Case Report: Recently a 20-day-old layer flock with mortality has been submitted to the PCR Lab. Infectious Bronchitis Virus (IBV) has been detected in the clinical samples. Results: A phylogenetic tree based on a partial S1 gene sequence showed Iranian IBV variant located in LX4-type cluster. This cluster include all QXIBV-type detected in China and European countries. The highest sequence homology (> 99%) was found with that of a group of the Chinese QX but less similarity with European QX-like (>95%) and another Chinese QXIBV (>94%). Conclusion: Comparison of Nucleotides sequence with H120 and 4/91 IB vaccines shows only 76.9 and 79.7 identity, respectively. |
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| Keywords: Infectious Bronchitis Virus (IBV), Clinical Samples, Phylogenetic tree |
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Full-Text [PDF 267 kb]
(2684 Downloads)
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Type of Study: Original article |
Subject:
General
Received: 2015/01/11 | Accepted: 2015/01/11 | Published: 2015/01/11
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