Co-circulation of Three Clusters of 793/B-like Avian Infectious Bronchitis Virus Genotypes in Iranian Chicken Flocks

Overview

Journal Arch Virol

Specialty Microbiology

Date 2017 Jul 10

PMID 28689232

Citations 1

Authors

Ali Yousefzadeh Kalokhoran

Arash Ghalyanchilangeroudi

Hossein Hosseini

Omid Madadgar

Vahid Karimi

Masoud Hashemzadeh

Parvaneh Hesari

Mohammad Taha Zabihi Petroudi

Hamideh Najafi

Affiliations

Soon will be listed here.

Abstract

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.

Citing Articles

Molecular Characterization of 4/91 Infectious Bronchitis Virus Leading to Studies of Pathogenesis and Host Responses in Laying Hens.

Najimudeen S, Hassan M, Goldsmith D, Ojkic D, Cork S, Boulianne M Pathogens. 2021; 10(5).

PMID: 34069486 PMC: 8161358. DOI: 10.3390/pathogens10050624.

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