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Recombinant Baculovirus Isolation.

Linda A King1, Richard Hitchman1, Robert D Possee2,3

  • 1School of Biological and Molecular Sciences, Oxford Brookes University, Oxford, UK.

Methods in Molecular Biology (Clifton, N.J.)
|January 29, 2016
PubMed
Summary

Efficient recombinant baculovirus expression vector generation is crucial for research. Modern methods streamline the process, often eliminating the need for plaque assays, simplifying gene expression in insect cells.

Keywords:
Co-transfectionInsect cellsPlaque-assayRecombinant virus isolationVirus amplification

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Area of Science:

  • Molecular Biology
  • Virology
  • Biotechnology

Background:

  • Recombinant baculovirus expression vectors are essential tools in molecular biology.
  • Traditional methods for generating these vectors were often labor-intensive and inefficient.

Purpose of the Study:

  • To provide an overview of the historical development and current efficient systems for isolating recombinant baculoviruses.
  • To detail practical methods for generating and amplifying recombinant baculovirus expression vectors.

Main Methods:

  • Transfection of insect cells with viral DNA or DNA and transfer vectors.
  • Homologous recombination for gene transfer into the baculovirus genome.
  • Plaque assays for recombinant virus isolation and titration.
  • Real-time PCR for virus titration.
  • Bacterial transformation and bacmid DNA isolation for the Bac-to-Bac system.

Main Results:

  • Modern systems have significantly improved the efficiency of recombinant baculovirus isolation.
  • Many current methods eliminate the need for plaque assays, simplifying the process.
  • Detailed protocols for transfection, amplification, and titration are provided.

Conclusions:

  • The development of new systems has greatly enhanced the ease and efficiency of creating recombinant baculovirus expression vectors.
  • These advancements facilitate broader applications in protein expression and biotechnology.