ArticleJournal of biosciences2010
Evidence of a humoral immune response against the prokaryotic expressed N-terminal autoprotease (N(pro)) protein of bovine viral diarrhoea virus.
Article in Journal of biosciences, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 5 citations in OpenAlex.
- Non-structural proteins of bovine viral diarrhea virus.Virus genes · 2022Review
- Deciphering the Role of Bovine Viral Diarrhea Virus Non-Structural NS4B Protein in Viral Pathogenesis.Veterinary sciences · 2020Article
- Herd-level risk factors for bovine viral diarrhea infection in cattle of Tamil Nadu.Tropical animal health and production · 2018Article
- Epidemiology of bovine viral diarrhoea among tropical small holder dairy units in Kerala, India.Tropical animal health and production · 2015Article
Corrections and comments
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Bovine viral diarrhoea virus (BVDV) is an economically important pathogen of cattle and sheep belonging to the genus Pestivirus of the family Flaviviridae. Although the BVDV non-structural N-terminal protease (N(pro)) acts as an interferon antagonist and subverts the host innate immunity, little is known about its immunogenicity. Hence, we expressed a recombinant BVDV N(pro)-His fusion protein (28 kDa) in E. coli and determined the humoral immune response generated by it in rabbits. The antigenicity of the N(pro) protein was confirmed by western blot using anti-BVDV hyperimmune cattle, sheep and goat serum, and anti-N(pro) rabbit serum. When rabbits were immunized with the N(pro) protein, a humoral immune response was evident by 4 weeks and persisted till 10 weeks post immunization as detected by ELISA and western blot. Despite N(pro)-specific antibodies remaining undetectable in 80 serum samples from BVDV-infected sheep and goats, BVDV hyperimmune sera along with some of the field cattle, sheep and goat sera with high BVDV neutralizing antibody titres were found positive for N(pro) antibodies. Our results provide evidence that despite the low immunogenicity of the BVDV N(pro) protein, a humoral immune response is induced in cattle, sheep and goats only with repeated BVDV exposure.
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