Co-circulation of three clusters of 793/B-like avian infectious bronchitis virus genotypes in Iranian chicken flocks

被引：4
|
作者：
Kalokhoran, Ali Yousefzadeh [1 ]
Ghalyanchilangeroudi, Arash [1 ]
Hosseini, Hossein [2 ]
Madadgar, Omid [1 ]
Karimi, Vahid [3 ]
Hashemzadeh, Masoud [4 ]
Hesari, Parvaneh [5 ]
Petroudi, Mohammad Taha Zabihi [4 ]
Najafi, Hamideh [1 ]
机构：
[1] Univ Tehran, Dept Microbiol & Immunol, Fac Vet Med, Tehran, Iran
[2] Islamic Azad Univ, Karaj Branch, Dept Clin Sci, Fac Vet Med, Alborz, Iran
[3] Univ Tehran, Dept Poultry Dis, Fac Vet Med, Tehran, Iran
[4] Agr Res & Extens Org, Razi Vaccine & Serum Res Inst, Dept Res & Prod Poultry Viral Vaccine, Karaj, Iran
[5] CEVA Sante Anim, Iran Branch, Tehran, Iran
来源：
ARCHIVES OF VIROLOGY | 2017年 / 162卷 / 10期
关键词：
Avian infectious bronchitis virus; Iran; Genotyping; Phylogenetic analysis; MOLECULAR CHARACTERIZATION; PHYLOGENETIC ANALYSIS; SPIKE PROTEIN; PATHOGENICITY; EPIDEMIOLOGY; FARMS; 793B; S1;
D O I：
10.1007/s00705-017-3473-3
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
Avian infectious bronchitis (IB) is an acute and highly contagious viral disease causing severe economic losses in the poultry industry. The 793/B IB virus is an important infectious bronchitis virus (IBV) genotype currently circulating in several countries, including Iran. One hundred confirmed IBV samples (between 2014 and 2015; from 15 provinces in Iran) were selected for genotyping based on S1 sequencing. After phylogenetic analysis, it was found that 30% of the IBV isolates belonged to the 793/B genotype. Results showed that the Iranian 793/B-like IBV isolates could be divided in to three clusters: 4/91-like (50%), 1/96-like (40%), and IB88-like (10%). The sequence similarity between Iranian 793/B-like IBV isolates is 87.69%-100%. The highest identity is between the 4/91 and IB88 clusters (96.38%), and the lowest similarity is between the 1/96 and IB88 clusters (87.62%). This study provides a comprehensive analysis of 793/B-type IBV in Iran and characterization of IBV molecular epidemiology in the country.
引用
收藏
页码：3183 / 3189
页数：7
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