ArticleJournal of advanced veterinary and animal research2024
Characterization of the dominant strain (G-VII) of Newcastle disease viruses isolated from commercial chickens in Bangladesh during recent outbreaks.
Article in Journal of advanced veterinary and animal research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Activation of the ATM-Chk2 DNA damage response pathway by Newcastle disease virus enhances viral replication.Veterinary research · 2026Article
- On-site and visual detection of genotype VII Newcastle disease virus based on RT-RPA and CRISPR/Cas13a.Frontiers in veterinary science · 2026Article
- Genetic Diversity of Newcastle Disease Virus and Its Implications for Vaccine Development.Veterinary sciences · 2025Review
- Protective efficacy of bivalent inactivated avian influenza subtype H9N2 and Newcastle disease vaccines commercially available in Bangladesh.Journal of advanced veterinary and animal research · 2025Article
- Exploring the genetic basis of Newcastle disease virus in chickens: a comprehensive review.Frontiers in immunology · 2025Review
- Determination of immunogenicity of an inactivated ND-vaccine developed experimentally with Newcastle disease virus (Genotype VII.2) local isolates of Bangladesh.Frontiers in immunology · 2024Article
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Authors and funding
13 authors.
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Abstract
Objective: Newcastle disease virus genotype VII (NDV-GVII), an extremely infectious pathogen, has been causing severe economic consequences for the chicken industry. The current study aimed to isolate and characterize NDV-GVII from commercial chickens in Bangladesh during a recent outbreak. Materials and Methods: From clinically suspected chickens from 70 commercial poultry farms, a total of 420 samples (trachea, lungs, and brain tissue) were collected. The samples were cultivated in 9-10 day-old seronegative embryonated chicken eggs (ECEs) after evaluating them using the rapid Newcastle disease virus (NDV) antigen detection kit. The hemagglutination (HA) inhibition test, agar gel immune diffusion (AGID) test, molecular detection by reverse transcription-polymerase chain reaction (RT-PCR), and phylogenetic studies using gene sequences of fusion (F) protein. The HA pattern of isolated NDV was determined using different avian and mammalian red blood cells (RBCs). The pathogenicity of the isolated virus was evaluated using mean death time (MDT), intravenous pathogenicity index (IVPI), and intracerebral pathogenicity index (ICPI). Results: The study found 87 NDV samples positive using the rapid NDV Ag detection kit and then 60 positives for virus isolation in ECEs. All 60 isolates were positive for NDV by HI, AGID, and RT-PCR. Phylogenetic tree analysis indicated that recent NDV isolates belong to genotype VII and exhibit a similarity of 99.7%-98.5% with isolates from Bangladesh, Iran, and India. The new isolates, identified as velogenic strains of NDV, possess an F protein cleavage site with Conclusion: This study concluded that NDV-GVII is prevalent in commercial poultry farms in Bangladesh.
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