Versatile vector tools for efficient protein screening across multiple expression systems

Area of Science:

• Molecular Biology
• Biotechnology
• Protein Science

Background:

• Heterologous protein expression is crucial for biological research.
• Screening across diverse expression systems (E. coli, insect, mammalian) is typically labor-intensive and time-consuming.

Purpose of the Study:

• To develop versatile vector tools that standardize and accelerate the process of screening protein expression across multiple systems.
• To enhance the efficiency of parallel protein screening and facilitate protein purification.

Main Methods:

• Development of standardized vector tools compatible with E. coli, insect, and mammalian cells.
• Incorporation of His, MBP, and GST tags for versatile protein purification.
• Utilized a standardized interface enabling rapid vector switching via homologous recombination with a single primer pair for PCR.

Main Results:

• Demonstrated successful protein expression and purification in E. coli, insect, and mammalian cell systems.
• Showcased the ability of the vector tools to significantly accelerate gene construction.
• Validated the increased efficiency of parallel protein screening and streamlined purification processes.

Conclusions:

• The developed vector tools offer a versatile and effective solution for rapid protein screening across multiple expression systems.
• These tools significantly enhance research efficiency by simplifying vector switching and accelerating gene construction.
• The standardized approach facilitates high-throughput protein expression and purification, benefiting biological research.