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Summary

High-throughput screening using the BioLector micro-bioreactor system efficiently evaluates bacterial clones for protein production. This method provides reliable, transferable data, accelerating biopharmaceutical process development and reducing costs.

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Area of Science:

  • Biotechnology
  • Bioprocess Engineering
  • Molecular Biology

Background:

  • Advancements in cell and protein engineering increase the need for efficient screening of bacterial production clones.
  • High-throughput (HTP) screening is crucial for early process development to accelerate biopharmaceutical design and engineering.

Purpose of the Study:

  • To evaluate the BioLector micro-bioreactor system as an HTP platform for screening E. coli expression clones.
  • To assess the transferability and comparability of HTP screening results to controlled bioreactor systems.

Main Methods:

  • Utilized the BioLector micro-bioreactor system for HTP cultivation and screening of E. coli clones.
  • Compared HTP screening data with results from fully controlled bioreactor systems operated in fed-batch mode.

Main Results:

  • Demonstrated high transferability of clone and condition screening results from the BioLector system.
  • Observed consistent growth and expression characteristics across 22 production clones, with identical clone rankings in most cases.
  • Confirmed the explanatory power of HTP micro-bioreactor data for upstream development.

Conclusions:

  • The BioLector system is a suitable HTP screening tool for microbial systems in biopharmaceutical development.
  • Fast, reliable, and transferable screening data accelerate process development, reduce experimental workload, and lower costs.