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Infectious Bronchitis Virus Variants: Molecular Analysis and Pathogenicity Investigation.

Infectious Bronchitis Virus Variants: Molecular Analysis and Pathogenicity Investigation.
Author Information (click to view)

Lin SY, Chen HW,


Lin SY, Chen HW, (click to view)

Lin SY, Chen HW,

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International journal of molecular sciences 2017 09 2218(10) pii E2030
Abstract

Infectious bronchitis virus (IBV) variants constantly emerge and pose economic threats to poultry farms worldwide. Numerous studies on the molecular and pathogenic characterization of IBV variants have been performed between 2007 and 2017, which we have reviewed herein. We noted that viral genetic mutations and recombination events commonly gave rise to distinct IBV genotypes, serotypes and pathotypes. In addition to characterizing the S1 genes, full viral genomic sequencing, comprehensive antigenicity, and pathogenicity studies on emerging variants have advanced our understanding of IBV infections, which is valuable for developing countermeasures against IBV field outbreaks. This review of IBV variants provides practical value for understanding their phylogenetic relationships and epidemiology from both regional and worldwide viewpoints.

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