Construction of an infectious bronchitis virus vaccine strain carrying chimeric S1 gene of a virulent isolate and its pathogenicity analysis
Sign Up to like & getrecommendations! Published in 2020 at "Applied Microbiology and Biotechnology"
DOI: 10.1007/s00253-020-10834-2
Abstract: Infectious bronchitis virus (IBV) is a member of genus gamma-coronavirus in the family Coronaviridae, causing serious economic losses to the poultry industry. Reverse genetics is a common technique to study the biological characteristics of viruses.… read more here.
Keywords: h120; ibv; scs1; pathogenicity ... See more keywords
A label-free electrochemical assay for coronavirus IBV H120 strain quantification based on equivalent substitution effect and AuNPs-assisted signal amplification
Sign Up to like & getrecommendations! Published in 2020 at "Mikrochimica Acta"
DOI: 10.1007/s00604-020-04582-3
Abstract: A label-free electrochemical strategy is proposed combining equivalent substitution effect with AuNPs-assisted signal amplification. According to the differences of S1 protein in various infectious bronchitis virus (IBV) strains, a target DNA sequence that can specifically… read more here.
Keywords: h120; dna; ibv; aunps ... See more keywords
Emergence and genetic analysis of variant pathogenic 4/91 (serotype 793/B) infectious bronchitis virus in Egypt during 2019
Sign Up to like & getrecommendations! Published in 2019 at "Virus Genes"
DOI: 10.1007/s11262-019-01693-9
Abstract: Infectious bronchitis virus (IBV) affects both vaccinated and unvaccinated flocks worldwide, with a significant impact on the poultry industry. The aim of the present study is to characterize an emerging variant pathogenic IBV originating from… read more here.
Keywords: variant pathogenic; analysis; ibv; bronchitis virus ... See more keywords
Molecular characterization and phylogenetic analyses of virulent infectious bronchitis viruses isolated from chickens in Eastern Saudi Arabia
Sign Up to like & getrecommendations! Published in 2017 at "VirusDisease"
DOI: 10.1007/s13337-017-0375-7
Abstract: Abstract Infectious bronchitis virus (IBV) is one of the major respiratory viral threats for chickens. Despite the intensive application of IBV vaccines, several outbreaks have been reported worldwide. Here, we report several IBV outbreaks in… read more here.
Keywords: ibv strains; molecular characterization; eastern saudi; ibv ... See more keywords
Differential innate immune responses induced by classical and variant infectious bronchitis viruses in specific pathogen free chicks
Sign Up to like & getrecommendations! Published in 2018 at "Developmental and Comparative Immunology"
DOI: 10.1016/j.dci.2018.04.026
Abstract: ABSTRACT Avian infectious bronchitis virus (IBV) continues to cause serious economic losses in global chicken production. Concurrent circulation of both classic and variant IBVs have been identified in most parts of the world, raising major… read more here.
Keywords: responses induced; ibv; immune responses; innate immune ... See more keywords
Emerging infectious bronchitis virus (IBV) in Egypt: Evidence for an evolutionary advantage of a new S1 variant with a unique gene 3ab constellation
Sign Up to like & getrecommendations! Published in 2020 at "Infection, Genetics and Evolution"
DOI: 10.1016/j.meegid.2020.104433
Abstract: Abstract Infectious bronchitis virus (IBV), a gamma-coronavirus, causes infectious bronchitis (IB), a major respiratory disease of chicken. Its high mutation rate in conjunction with recombination of the RNA genome constantly creates IBV variants that are… read more here.
Keywords: virus ibv; ibv; bronchitis virus; gene ... See more keywords
Analysis of antigenicity and pathogenicity reveals major differences among QX-like infectious bronchitis viruses and other serotypes
Sign Up to like & getrecommendations! Published in 2017 at "Veterinary Microbiology"
DOI: 10.1016/j.vetmic.2017.03.010
Abstract: Abstract Avian coronavirus infectious bronchitis virus (IBV) causes considerable damage to the poultry industry worldwide and the proportion of QX-like genotype isolates have increased over time. Here, to better understand the antigenicity and pathogenicity of… read more here.
Keywords: ibv; antigenicity pathogenicity; pathogenicity; antigenicity ... See more keywords
Cross-lineage protection by human antibodies binding the influenza B hemagglutinin
Sign Up to like & getrecommendations! Published in 2019 at "Nature Communications"
DOI: 10.1038/s41467-018-08165-y
Abstract: Influenza B viruses (IBV) drive a significant proportion of influenza-related hospitalisations yet are understudied compared to influenza A. Current vaccines target the head of the viral hemagglutinin (HA) which undergoes rapid mutation, significantly reducing vaccine… read more here.
Keywords: protection; ibv; influenza; cross ... See more keywords
Induction of IBV strain-specific neutralizing antibodies and broad spectrum protection in layer pullets primed with IBV Massachusetts (Mass) and 793B vaccines prior to injection of inactivated vaccine containing Mass antigen
Sign Up to like & getrecommendations! Published in 2019 at "Avian Pathology"
DOI: 10.1080/03079457.2018.1556778
Abstract: ABSTRACT In an initial study in specified pathogen free (SPF) chickens, a heterologous virus neutralizing (VN) antibody response to IBV variants Q1, Variant 2 (Var 2), D388/QX (D388), D274 and Arkansas (DPI) was observed using… read more here.
Keywords: vaccine containing; inactivated vaccine; ibv; mass ... See more keywords
The inactivated infectious bronchitis virus (IBV) vaccine used as booster in layer hens influences the breadth of protection against challenge with IBV variants
Sign Up to like & getrecommendations! Published in 2022 at "Avian Pathology"
DOI: 10.1080/03079457.2022.2040731
Abstract: ABSTRACT To achieve long term protection of laying and breeding hens against aberrant egg production caused by infectious bronchitis virus (IBV), a vaccination programme incorporating both live-attenuated and inactivated IBV vaccines is required. High quality… read more here.
Keywords: protection; ibv vaccination; ibv vaccines; ibv ... See more keywords
Pathological effect of different avian infectious bronchitis virus strains on the bursa of Fabricius of chickens
Sign Up to like & getrecommendations! Published in 2022 at "Avian Pathology"
DOI: 10.1080/03079457.2022.2063710
Abstract: ABSTRACT Infectious bronchitis is an acute and highly contagious disease caused by avian infectious bronchitis virus (IBV). As well as the typical clinical respiratory signs, such as dyspnoea and tracheal rales, QX genotype strains can… read more here.
Keywords: avian infectious; infectious bronchitis; ibv; bursa fabricius ... See more keywords