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HSV-1 protein expression using recombinant baculoviruses.

Lorry M Grady1, Ping Bai, Sandra K Weller

  • 1Department of Molecular Biology and Biophysics, University of Connecticut Health Center, Farmington, CT, 06030-3205, USA.

Methods in Molecular Biology (Clifton, N.J.)
|March 28, 2014
PubMed
Summary
This summary is machine-generated.

The baculovirus expression system enables robust Herpes Simplex Virus 1 (HSV-1) protein production in insect cells. This method facilitates essential posttranslational modifications for proper protein folding and purification.

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Area of Science:

  • Molecular Biology
  • Virology
  • Biotechnology

Background:

  • The baculovirus expression system is a powerful tool for producing heterologous proteins.
  • Insect cells offer a eukaryotic environment supporting crucial posttranslational modifications.
  • Herpes Simplex Virus 1 (HSV-1) proteins require accurate folding for functional studies.

Purpose of the Study:

  • To detail a protocol for expressing Herpes Simplex Virus 1 (HSV-1) proteins using the baculovirus system.
  • To highlight the advantages of insect cells for HSV-1 protein production and modification.

Main Methods:

  • Utilizing the baculovirus expression vector system with the polyhedrin gene promoter.
  • Employing insect cells for the expression of HSV-1 proteins.
  • Implementing purification strategies for expressed viral proteins.

Main Results:

  • Successful expression and purification of multiple HSV-1 proteins, including polymerase, helicase-primase, single-strand DNA binding protein, and alkaline nuclease.
  • Demonstrated robustness of the baculovirus system for high-level protein production.
  • Confirmed the utility of insect cells for achieving proper protein folding and disulfide bond formation.

Conclusions:

  • The baculovirus expression system is an effective and reliable method for producing functional HSV-1 proteins.
  • This protocol, refined over 15 years, provides a valuable resource for researchers studying HSV-1.
  • The system's ability to perform posttranslational modifications is critical for obtaining biologically relevant viral proteins.