전북지역 전염성기관지염 바이러스의 유전적 특성
Genetic characterization and phylogenetic analysis of infectious bronchitis virus isolated in Jeonbuk
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Infectious bronchitis virus (IBV) causes an acute and highly contagious viral disease of chicken thatis great economic losses to the poultry industry worldwide. Among the IBV structural proteins, the highrate spike glycoprotein S1 gene mutation and antigenic variant strains have been reported in manycountries. During the years 2012∼2014, 10 IBV strains were isolated from infected chicken farms distributedin provinces of Jeonbuk. Analysis of the S1 gene sequences amplified from 10 isolated strainswith QX strains showed nucleotide homologies ranging from 96.5 to 95.4%. Phylogenetic analysis revealedthat all strains were clustered into QX-like groups. This study suggests that QX-like IBVs arecirculating in commercial chicken farms in Jeonbuk. Therefore, the continuing survellance is significantlyimportant for prevention and control of BIV infection.
Abstract
Infectious bronchitis virus (IBV) causes an acute and highly contagious viral disease of chicken thatis great economic losses to the poultry industry worldwide. Among the IBV structural proteins, the highrate spike glycoprotein S1 gene mutation and antigenic variant strains have been reported in manycountries. During the years 2012∼2014, 10 IBV strains were isolated from infected chicken farms distributedin provinces of Jeonbuk. Analysis of the S1 gene sequences amplified from 10 isolated strainswith QX strains showed nucleotide homologies ranging from 96.5 to 95.4%. Phylogenetic analysis revealedthat all strains were clustered into QX-like groups. This study suggests that QX-like IBVs arecirculating in commercial chicken farms in Jeonbuk. Therefore, the continuing survellance is significantlyimportant for prevention and control of BIV infection.
참고문헌 (15)
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