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Molecular characterization of reassortant infectious bursal disease virus (IBDV) strains of genogroup A3B1 detected in some areas of Britain between 2020 and 2021. (2024)
Journal Article
Reddy, V. R. A. P., Bianco, C., Poulos, C., Egana-Labrin, S. C., Brodrick, A. J., Nazki, S., …Broadbent, A. J. (in press). Molecular characterization of reassortant infectious bursal disease virus (IBDV) strains of genogroup A3B1 detected in some areas of Britain between 2020 and 2021. Virology, 600, Article 110269. https://doi.org/10.1016/j.virol.2024.110269

Infectious bursal disease virus (IBDV) causes a major immunosuppressive disease of chickens. As part of ongoing epidemiological surveillance for IBDV, the hypervariable region (HVR) of the VP2 capsid gene encoded by segment A, and a region of the VP1... Read More about Molecular characterization of reassortant infectious bursal disease virus (IBDV) strains of genogroup A3B1 detected in some areas of Britain between 2020 and 2021..

CD4+TGFβ+ cells infiltrated the bursa of Fabricius following IBDV infection, and correlated with a delayed viral clearance, but did not correlate with disease severity, or immunosuppression (2023)
Journal Article
Nazki, S., Reddy, V. R. A. P., Kamble, N., Sadeyen, J.-R., Iqbal, M., Behboudi, S., …Broadbent, A. J. (in press). CD4+TGFβ+ cells infiltrated the bursa of Fabricius following IBDV infection, and correlated with a delayed viral clearance, but did not correlate with disease severity, or immunosuppression. Frontiers in Immunology, 14, https://doi.org/10.3389/fimmu.2023.1197746

Introduction: Infectious Bursal Disease Virus (IBDV) causes immunosuppression in chickens. While B-cell destruction is the main cause of humoral immunosuppression, bursal T cells from IBDV-infected birds have been reported to inhibit the mitogenic re... Read More about CD4+TGFβ+ cells infiltrated the bursa of Fabricius following IBDV infection, and correlated with a delayed viral clearance, but did not correlate with disease severity, or immunosuppression.

An Infectious Bursal Disease Virus (IBDV) Reverse Genetics Rescue System and Neutralization Assay in Chicken B Cells (2023)
Journal Article
Reddy, V. R. A. P., Nazki, S., Asfor, A., & Broadbent, A. J. (2023). An Infectious Bursal Disease Virus (IBDV) Reverse Genetics Rescue System and Neutralization Assay in Chicken B Cells. Current Protocols in Neuroscience, 3(1), https://doi.org/10.1002/cpz1.639

Infectious bursal disease virus (IBDV) is a major threat to the productivity of the poultry industry due to morbidity, mortality, and immunosuppression that exacerbates secondary infections and reduces the efficacy of vaccination programs. Field stra... Read More about An Infectious Bursal Disease Virus (IBDV) Reverse Genetics Rescue System and Neutralization Assay in Chicken B Cells.

Evaluating the Breadth of Neutralizing Antibody Responses Elicited by Infectious Bursal Disease Virus Genogroup A1 Strains Using a Novel Chicken B-Cell Rescue System and Neutralization Assay (2022)
Journal Article
Reddy, V. R. A. P., Nazki, S., Brodrick, A. J., Asfor, A., Urbaniec, J., Morris, Y., & Broadbent, A. J. (2022). Evaluating the Breadth of Neutralizing Antibody Responses Elicited by Infectious Bursal Disease Virus Genogroup A1 Strains Using a Novel Chicken B-Cell Rescue System and Neutralization Assay. Journal of Virology, 96(18), https://doi.org/10.1128/jvi.01255-22

Eight infectious bursal disease virus (IBDV) genogroups have been identified based on the sequence of the capsid hypervariable region (HVR) (A1 to A8). Given reported vaccine failures, there is a need to evaluate the ability of vaccines to neutralize... Read More about Evaluating the Breadth of Neutralizing Antibody Responses Elicited by Infectious Bursal Disease Virus Genogroup A1 Strains Using a Novel Chicken B-Cell Rescue System and Neutralization Assay.

Birnaviridae Virus Factories Show Features of Liquid-Liquid Phase Separation and Are Distinct from Paracrystalline Arrays of Virions Observed by Electron Microscopy (2022)
Journal Article
Reddy, V. R. A. P., Campbell, E. A., Wells, J., Simpson, J., Nazki, S., Hawes, P. C., & Broadbent, A. J. (2022). Birnaviridae Virus Factories Show Features of Liquid-Liquid Phase Separation and Are Distinct from Paracrystalline Arrays of Virions Observed by Electron Microscopy. Journal of Virology, 96(6), https://doi.org/10.1128/jvi.02024-21

To gain more information about the nature of Birnaviridae virus factories (VFs), we used a recombinant infectious bursal disease virus (IBDV) expressing split-GFP11 tagged to the polymerase (VP1) that we have previously shown is a marker for VFs in i... Read More about Birnaviridae Virus Factories Show Features of Liquid-Liquid Phase Separation and Are Distinct from Paracrystalline Arrays of Virions Observed by Electron Microscopy.