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Phylogenotyping of infectious bursal disease virus in Vietnam according to the newly unified genotypic classification scheme.

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  • معلومة اضافية
    • المصدر:
      Publisher: Springer-Verlag Country of Publication: Austria NLM ID: 7506870 Publication Model: Electronic Cited Medium: Internet ISSN: 1432-8798 (Electronic) Linking ISSN: 03048608 NLM ISO Abbreviation: Arch Virol Subsets: MEDLINE
    • بيانات النشر:
      Original Publication: Wien, New York, Springer-Verlag.
    • الموضوع:
    • نبذة مختصرة :
      Since 1987, infectious bursal disease virus (IBDV) has circulated and evolved in Vietnam, but little is known about the genotypes present. IBDV samples were collected in 1987, 2001-2006, 2008, 2011, 2015-2019, and 2021 in 18 provinces. We conducted phylogenotyping analysis based on an alignment of 143 VP2-HVR (hypervariable region) sequences from 64 Vietnamese isolates (26 previous and 38 additional sequences and two vaccines, and alignment of 82 VP1 B-marker sequences, including one vaccine and four Vietnamese field strains. The analysis identified three A-genotypes, A1, A3, and A7, and two B-genotypes, B1 and B3, among the Vietnamese IBDV isolates. The lowest average evolutionary distance (8.6%) was seen between the A1 and A3 genotypes, and the highest (21.7%) was between A5 and A7, while there was a distance of 14% between B1 and B3 and 17% between B3 and B2. Unique signature residues were observed for genotypes A2, A3, A5, A6, and A8, which could be used for genotypic discrimination. A timeline statistical summary revealed that the A3-genotype predominated (79.8% presence) in Vietnam from 1987 to 2021 and that it remained the dominant IBDV genotype over the last five years (2016-2021). The current study contributes to a better understanding of the circulating genotypes and evolution of IBDV in Vietnam and worldwide.
      (© 2023. The Author(s), under exclusive licence to Springer-Verlag GmbH Austria, part of Springer Nature.)
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    • Grant Information:
      106.02-2020.03 the Vietnam National Foundation for Science and Technology Development (NAFOSTED)
    • الرقم المعرف:
      0 (Viral Vaccines)
    • الموضوع:
      Date Created: 20230704 Date Completed: 20231114 Latest Revision: 20231114
    • الموضوع:
      20250114
    • الرقم المعرف:
      10.1007/s00705-023-05830-6
    • الرقم المعرف:
      37402052