Characterization of a circulating PRRSV strain by means of random PCR cloning and full genome sequencing
2011

Characterization of a New PRRSV Strain Using PCR Cloning

Sample size: 29 publication Evidence: moderate

Author Information

Author(s): Jan Van Doorsselaere, Marc Geldhof, Hans J Nauwynck, Peter L Delputte

Primary Institution: KATHO Catholic University College of South-West Flanders

Hypothesis

Can a random PCR cloning technique effectively characterize a PRRSV strain of unknown genetic background?

Conclusion

The study successfully demonstrated that a random PCR cloning approach can be used to characterize new PRRSV strains of unknown genetic background.

Supporting Evidence

  • The random PCR cloning approach yielded 7305 bp of sequence data.
  • Phylogenetic analysis showed that strain 07V063 is genetically distinct from the prototype Lelystad Virus.
  • The study identified a unique deletion in the Nsp2 protein of strain 07V063.

Takeaway

Researchers used a special technique to learn more about a new pig virus, helping to understand how it differs from other viruses.

Methodology

A random PCR cloning approach was used to obtain sequence data from the PRRSV strain 07V063, followed by RT-PCR for full-length genome sequencing.

Limitations

The study focused on a single strain from one farm, which may limit the generalizability of the findings.

Participant Demographics

The virus was isolated from an aborted fetus from a Belgian farm.

Digital Object Identifier (DOI)

10.1186/1743-422X-8-160

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