ArticleVeterinary research2024
Characteristics of the a sequence of the duck Plague virus genome and specific cleavage of the viral genome based on the a sequence.
Article in Veterinary research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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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.
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Who cites it
2 citing papers in PubMed, 1 citations in OpenAlex.
- Genomic Characterization of an Emergent Cross-Border Recombinant Duck Plague Virus With High Pathogenicity and Reduced Vaccine Efficacy in Guangxi, China.Transboundary and emerging diseases · 2026Article
- DPV pUL15 possesses a potential NLS, which is important for the location of the terminase complex and for viral proliferation and genome cleavage.Veterinary research · 2025Article
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Authors and funding
22 authors at 1 institution in 1 country.
Funding
Abstract
During the replication process, the herpesvirus genome forms the head-to-tail linked concatemeric genome, which is then cleaved and packaged into the capsid. The cleavage and packing process is carried out by the terminase complex, which specifically recognizes and cleaves the concatemeric genome. This process is governed by a cis-acting sequence in the genome, named the a sequence. The a sequence and genome cleavage have been described in some herpesviruses, but it remains unclear in duck plague virus. In this study, we analysed the location, composition, and conservation of a sequence in the duck plague virus genome. The structure of the DPV genome has an a sequence of (DR4)m-(DR2)n-pac1-S termini (32 bp)-L termini (32 bp)-pac2, and the length is 841 bp. Direct repeat (DR) sequences are conserved in different DPV strains, but the number of DR copies is inconsistent. Additionally, the typical DR1 sequence was not found in the DPV a sequence. The Pac1 and pac2 motifs are relatively conserved between DPV and other herpesviruses. Cleavage of the DPV concatemeric genome was detected, and the results showed that the DPV genome can form a concatemer and is cleaved into a monomer at a specific site. We also established a sensitive method, TaqMan dual qRT‒PCR, to analyse genome cleavage. The ratio of concatemer to total viral genome was decreased during the replication process. These results will be critical for understanding the process of DPV genome cleavage, and the application of TaqMan dual qRT‒PCR will greatly facilitate more in-depth research.
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Registered trials
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