Stainless steel bioreactor system in a fermentation lab

E. coli Fermentation & Purification Process Development

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Develop robust E. coli protein production processes with VALIDOGEN.

VALIDOGEN combines deep bioprocess engineering expertise with more than 15 years of experience in microbial protein production to develop robust, high-performance fermentation processes. Our process development approach focuses on maximizing protein yields, improving process robustness, reducing manufacturing costs, and enabling reliable scale-up and efficient technology transfer from development to industrial production.

Optimized E. coli process development: Increase yield, reduce timelines, lower production costs

VALIDOGEN supports clients in the development and optimization of E. coli fermentation and purification processes, designing robust protein production processes tailored to the specific requirements of each recombinant protein. With more than 15 years of experience in microbial protein production, VALIDOGEN provides process development expertise for a wide range of proteins across different industries.

Starting from existing production strains, we optimize cultivation conditions, feeding strategies, and process parameters to maximize productivity while ensuring stable and reproducible process performance. 

Early consideration of scale-up parameters ensures that the developed processes can be successfully transferred from laboratory scale to pilot and industrial fermentation systems.

Key benefits of VALIDOGEN’s E. coli fermentation and downstream process development

01 Process Development and Optimization

VALIDOGEN’s experts develop and optimize E. coli fermentation processes tailored to the requirements of your recombinant protein and production strain. Cultivation parameters such as feeding strategy and induction conditions are systematically optimized to maximize productivity, yield, and product quality. Depending on project objectives, process development can range from targeted parameter adjustments to comprehensive Design of Experiments (DoE) campaigns to identify optimal operating conditions.

02 Process Characterization and Process Understanding

A detailed understanding of fermentation performance is essential for robust recombinant protein production, providing the process knowledge required to define critical process parameters (CPPs) in alignment with Quality by Design (QbD) principles.

 

03 Confirmation of Process Robustness and Reproducibility

To ensure reliable production performance, repeated confirmation runs verify process robustness, reproducibility, and operational stability. This ensures that optimized E. coli production processes perform consistently across development and manufacturing scales.

04 Technology Transfer and Scale-Up Support

VALIDOGEN supports clients with a seamless technology transfer, enabling a smooth transition from laboratory development to pilot or industrial manufacturing environments for scale-up.

05 Integrated Downstream Process Development

We integrate our upstream process development with a variety of downstream purification strategies, including optimization of chromatographic steps, impurity clearance, and yield improvement. 

Close-up of a bioreactor sight glass

Fermentation Process Development

Key features
  • Development of fed-batch fermentation processes
  • Optimization of feeding strategies
  • Optimization of induction conditions
  • Control of key process parameters affecting productivity and protein quality
  • Confirmation of process robustness and reproducibility
  • Tech transfer & scale-up support

 

Technology & Deliverables

TECHNOLOGY

  • Cultivation in 1 L or 10 L bioreactors
  • Design of Experiment tools for efficient parameter scouting

DELIVERABLES

  • Robust and optimized processes and cultivation protocols
  • Support for process transfer to desired facility

Protein Purification Development

Key features
  • Cell harvest, cell disruption and protein extraction
  • Development of chromatographic purification steps
  • Optimization of purification yields and product quality
     

 

Technology & Deliverables

TECHNOLOGY

  • Highly versatile equipment to perform systematic small-scale process development, as well as small to medium-scale production
  • Proven strategies for rapid process set-up
  • Established analytical tools for the target protein and process-related impurities (including host cell proteins and host cell DNA)

DELIVERABLES

  • Purified protein samples (small-scale, non-GMP production)
  • Scalable purification process
  • Full documentation to support process transfer

 

FAQs - E.coli fermentation process development

Does VALIDOGEN generate or engineer E. coli production strains?

No, VALIDOGEN’s E. coli fermentation process development service is designed for clients who already operate established E. coli expression systems but require professional bioprocess development and optimization, scale-up strategies, and technology transfer support. 

What is the typical timeline for a process development project at VALIDOGEN?

Project timelines depend on the scope and complexity of the development program required. Our suite of parallel bioreactor systems enables rapid testing of multiple conditions, allowing efficient optimization and accelerated process development.

Up to which scale does VALIDOGEN develop processes? Is VALIDOGEN a GMP facility?

VALIDOGEN develops fermentation and purification processes at scales up to 10 L. While VALIDOGEN is not a GMP manufacturing facility, we deliver robust processes that can be efficiently implemented under GMP at your selected CDMO or manufacturing partner.

Besides E. coli process development, does VALIDOGEN also support the production of protein samples?

Yes, we enable rapid production of initial recombinant protein samples using 1 L and 10 L bioreactor systems, providing sufficient material for early-stage evaluation and analysis. If required, proteins can be purified based on established standard purification techniques, ensuring fast delivery of analytically suitable material.

OUR TEAM OF EXPERTS

Contact us to learn more about VALIDOGEN’s service portfolio

Iskandar Dib, PhD
Principal Scientist & Business Development Manager
Rosie Maddock, PhD
Business Development Manager

VALIDOGEN's expert team is happy to discuss your project and help find the right solution. Send any project related requests to project@validogen.com, directly to our scientists, or use our contact form.

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