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Production of Recombinant PRMT Proteins using the Baculovirus Expression Vector System

Production of Recombinant PRMT Proteins using the Baculovirus Expression Vector System

Published on: July 17, 2021

Protein expression in the baculovirus system.

A Bernard¹, M Payton, K R Radford

¹Glaxo Institute for Molecular Biology, Geneva, Switzerland.

Current Protocols in Protein Science

|April 23, 2008

Summary

This summary is machine-generated.

This study details large-scale recombinant protein production using insect cell-baculovirus systems, optimizing expression through various culture conditions and analytical methods for efficient biomanufacturing.

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Area of Science:

Biotechnology
Molecular Biology
Cell Biology

Background:

Insect cell-recombinant baculovirus co-cultures provide soluble recombinant proteins with post-translational modifications, complementing microbial systems.
The large baculovirus genome facilitates cloning large DNA segments for complex protein aggregate expression.

Purpose of the Study:

To describe methods for large-scale recombinant protein production in the baculovirus expression system.
To provide protocols for viral stock production, titration, and small-scale expression testing.
To outline procedures for optimizing protein production and large-scale fermentation.

Main Methods:

Large-scale production and titration of baculovirus stocks using plaque and end-point assays.
Small-scale culture testing to determine expression kinetics and optimize conditions (cell lines, media, parameters).
SDS-PAGE analysis of protein samples and nutrient level monitoring.
Large-scale fermentation using batch or fed-batch procedures in bioreactors and perfusion cultures.
Harvesting techniques for bioreactor cultures.

Main Results:

Established methods for preparing and titering viral stocks.
Developed protocols for optimizing recombinant protein expression in insect cells.
Demonstrated large-scale production of recombinant proteins in bioreactors.
Provided techniques for culture harvesting.

Conclusions:

The baculovirus expression system is a versatile platform for large-scale recombinant protein production.
Optimization of culture conditions and analytical monitoring are crucial for efficient biomanufacturing.
This unit provides a comprehensive guide for implementing large-scale protein production using insect cell-baculovirus systems.