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An integrated biotechnology platform for developing sustainable chemical processes.

Nelson R Barton1, Anthony P Burgard, Mark J Burk

  • 1, Genomatica, Inc., 4757 Nexus Center Drive, San Diego, CA, 92121, USA.

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|November 23, 2014
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Summary

Genomatica developed a metabolic engineering platform to create high-performance organisms. This platform was used to engineer E. coli for efficient 1,4-butanediol (BDO) production from sugars.

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Area of Science:

  • Metabolic Engineering
  • Synthetic Biology
  • Biotechnology

Background:

  • Industrial chemical production often relies on petrochemical feedstocks.
  • Developing sustainable bio-based routes for chemicals like 1,4-butanediol (BDO) is crucial.
  • Metabolic engineering offers a pathway to produce chemicals from renewable resources.

Purpose of the Study:

  • To present Genomatica's integrated computational and experimental metabolic engineering platform.
  • To demonstrate the platform's application in developing engineered E. coli strains for BDO production.
  • To highlight the rational strain engineering approach for optimizing bioprocesses.

Main Methods:

  • Utilized an integrated computational and experimental metabolic engineering platform.
  • Engineered Escherichia coli (E. coli) strains for the biosynthesis of 1,4-butanediol (BDO).
  • Employed rational strain engineering strategies, including diagnostic experiments, to identify and address metabolic bottlenecks.

Main Results:

  • Successfully developed E. coli strains capable of producing 1,4-butanediol (BDO) from sugars.
  • Gained critical insights into pathway bottlenecks, byproduct formation, and gene expression balancing.
  • Achieved enhanced commercial robustness in the engineered BDO production strain and process.

Conclusions:

  • Genomatica's platform enables the design, creation, and optimization of high-performance microbial strains and bioprocesses.
  • A rational, data-driven approach to metabolic engineering is effective for developing industrial chemical production.
  • The developed E. coli strains and process represent a superior method for bio-based BDO production.