First construction of infectious clone for newly emerging mutation porcine circovirus type 2 (PCV2) followed by comparison with PCV2a and PCV2b genotypes in biological characteristics in vitro
2011

Infectious Clone of Porcine Circovirus Type 2 with Emerging Mutations

publication Evidence: moderate

Author Information

Author(s): Guo Long J, Lu Yue H, Huang Li P, Wei Yan W, Wu Hong L, Liu Chang M

Primary Institution: Division of Swine Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences

Hypothesis

The study aims to elucidate the pathogenic differences among different genotypes of porcine circovirus type 2 (PCV2).

Conclusion

The study found significant genomic and antigenic differences among the various PCV2 genotypes, which may impact their pathogenicity.

Supporting Evidence

  • Four strains of different genotypes of PCV2 were isolated from clinical cases in China.
  • Rescued viruses were verified by nucleotide sequence analysis and immunoperoxidase monolayer assay.
  • The study is the first to report obtaining newly emerging PCV2 mutations in vitro.

Takeaway

Scientists created a version of a pig virus that has changed over time, helping them understand how it might make pigs sick.

Methodology

The study involved isolating four strains of PCV2, constructing infectious clones, and characterizing their biological properties in vitro.

Digital Object Identifier (DOI)

10.1186/1743-422X-8-291

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication