Generic Protocol for Optimization of Heterologous Protein Production Using Automated Microbioreactor Technology

Area of Science:

• Industrial Biotechnology
• Bioprocess Engineering
• Microbial Physiology

Background:

• Strain engineering and bioprocess optimization are key in industrial biotechnology.
• Cultivation medium composition significantly impacts microbial production of target products.
• Standard media recipes are often used due to the complexity of tailor-made media design.

Purpose of the Study:

• To present a generic, adaptable protocol for optimizing microbial cultivation media.
• To facilitate efficient bioprocess development through rational data analysis and experimental design.
• To enable improved recombinant protein production in microbial systems.

Main Methods:

• Utilized microbioreactor technology for high-throughput cultivation.
• Employed lab robotics for reliable liquid handling.
• Applied advanced mathematical methods and the Kriging Toolbox (KriKit) for Design of Experiments (DOE).

Main Results:

• Demonstrated a systematic approach to media optimization for enhanced bioprocess performance.
• Showcased the adaptability of the protocol to various lab equipment, hosts, and targets.
• Highlighted the capability for multi-objective optimization, including yield and production rate.

Conclusions:

• The presented protocol offers a robust framework for holistic bioprocess optimization in industrial biotechnology.
• Efficient media design using DOE tools like KriKit can significantly improve microbial production systems.
• This approach streamlines bioprocess development, leading to better product yield and quality.