ArticleViruses2019
Antigenic and Pathogenic Characteristics of QX-Type Avian Infectious Bronchitis Virus Strains Isolated in Southwestern China.
Article in Viruses, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 31 citations in OpenAlex.
- Occurrence of Antibody-Dependent Enhancement of Avian Infectious Bronchitis in Target Animal Experiments.Veterinary sciences · 2026Article
- Recombination with a vaccine strain drives the evolution of a more virulent phenotype in avian infectious bronchitis virus.Poultry science · 2026Article
- Review of respiratory syndromes in poultry: pathogens, prevention, and control measures.Veterinary research · 2025Review
- Broad-spectrum antiviral activity of the sigma-1 receptor antagonist PB28 against coronaviruses.Frontiers in microbiology · 2025Article
- Fine mapping a QTL for BYDV-PAV resistance in maize.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Baicalin Protects Broilers against Avian Coronavirus Infection via Regulating Respiratory Tract Microbiota and Amino Acid Metabolism.International journal of molecular sciences · 2024Article
- QX-type infectious bronchitis virus infection in roosters can seriously injure the reproductive system and cause sex hormone secretion disorder.Virulence · 2023Article
- Pathogenicity comparison between QX-type and Mass-type infectious bronchitis virus to different segments of the oviducts in laying phase.Virology journal · 2022Article
- Characterization of the Protective Efficacy Against QX Strain of a Recombinant Infectious Bronchitis Virus With H120 Backbone and QX Spike Gene.Frontiers in microbiology · 2022Article
- The N1038S Substitution andFrontiers in microbiology · 2022Article
- Identification of a novel avian coronavirus infectious bronchitis virus variant with three-nucleotide-deletion in nucleocapsid gene in China.The Journal of veterinary medical science · 2021Article
- Infectious Bronchitis Virus Infection Increases Pathogenicity of H9N2 Avian Influenza Virus by Inducing Severe Inflammatory Response.Frontiers in veterinary science · 2021Article
- Infectious Bronchitis Coronavirus Infection in Chickens: Multiple System Disease with Immune Suppression.Pathogens (Basel, Switzerland) · 2020Review
- A highly pathogenic GI-19 lineage infectious bronchitis virus originated from multiple recombination events with broad tissue tropism.Virus research · 2020Article
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Authors and funding
14 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The QX-type avian infectious bronchitis virus (IBV) is still a prevalent genotype in Southwestern China. To analyze the antigenicity and pathogenicity characteristics of the dominant genotype strains (QX-type), S1 gene sequence analysis, virus cross-neutralization tests, and pathogenicity test of eight QX-type IBV isolates were conducted. Sequence analysis showed that the nucleotide homology between the eight strains was high, but distantly related to H120 and 4/91 vaccine strains. Cross-neutralization tests showed that all eight strains isolated from 2015 and 2017 belonged to the same serotype, but exhibited antigenic variations over time. The pathogenicity test of the five QX-type IBV isolates showed that only three strains, CK/CH/SC/DYW/16, CK/CH/SC/MS/17, and CK/CH/SC/GH/15, had a high mortality rate with strong respiratory and renal pathogenicity, whereas CK/CH/SC/PZ/17 and CK/CH/SC/DYYJ/17 caused only mild clinical symptoms and tissue lesions. Our results indicate that the prevalent QX-type IBVs displayed antigenic variations and pathogenicity difference. These findings may provide reference for research on the evolution of IBV and vaccine preparation of infectious bronchitis (IB).
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