ArticleArchives of virology2025
Genetics of natural recombinant infectious bronchitis viruses isolated in Kagoshima Prefecture of Japan.
Article in Archives of virology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed.
- A New Threat Emerges: The First Detection of GVIII Genotype IBV in China and the Urgent Need for Molecular Surveillance.Transboundary and emerging diseases · 2026Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Avian infectious bronchitis (IB), caused by IB virus (IBV; family Coronaviridae, genus Gammacoronavirus, species Gammacoronavirus galli), is a highly contagious and acute upper respiratory tract disease in chickens (Gallus gallus) that has a serious economic impact worldwide. Genomic mutations and recombination of IBV strains result in novel pathogenicity phenotypes. This study focused on three IBV strains isolated from a farm in Kagoshima Prefecture in Japan (KS2-4) and two from the surrounding area (KS and KS1). These strains were evaluated using whole-genome sequencing, followed by detection of genomic recombination events and phylogenetic analyses. Genomic recombination analysis using nearly complete genome sequences revealed that the candidate donor strains, defined as those contributing recombinant segments to the detected isolates, for KS2, KS3, and KS4 were identical except in some regions. Furthermore, KS and KS1 were predicted to have different donor strains across their genomic regions despite being classified as belonging to the same genotype based on the S1 gene. Phylogenetic analysis revealed that KS and KS1 are a variant of a vaccine strain and a previously unreported recombinant strain, respectively. KS2-4 were found to be multi-recombinant strains that may have experienced several different recombination events with unknown strains, including recombinant strains with complex genetic backgrounds. These results suggest that unidentified IBV strains with various genetic backgrounds may have circulated in Japan and that multiple genetic recombination events may have occurred among these strains.
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