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SelProm: A Queryable and Predictive Expression Vector Selection Tool for Escherichia coli.

Adrian J Jervis1, Pablo Carbonell1, Sandra Taylor1

  • 1Manchester Synthetic Biology Research Centre for Fine and Speciality Chemicals (SYNBIOCHEM), Manchester Institute of Biotechnology and School of Chemistry , University of Manchester , Manchester M1 7DN , U.K.

ACS Synthetic Biology
|March 15, 2019
PubMed
Summary
This summary is machine-generated.

Researchers developed new constitutive expression plasmids and a design tool, SelProm, to aid in bioengineering bacteria for industrial use. This facilitates cost-effective conversion from inducible to constitutive gene expression systems.

Keywords:
constitutive promotersexpression plasmidinducible promoterspromoter activity

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Area of Science:

  • Synthetic biology
  • Metabolic engineering
  • Bacterial genetics

Background:

  • Plasmid-based recombinant gene expression is crucial for developing bioengineered bacterial systems.
  • Coexpression of multiple genes often requires compatible, inducible plasmid systems.
  • Inducible systems are costly for industrial applications, necessitating constitutive expression.

Purpose of the Study:

  • To develop and benchmark a set of constitutive expression plasmids for bioengineered bacteria.
  • To create a design tool, SelProm, for facilitating the conversion between inducible and constitutive expression systems.
  • To establish a parts repository for plasmid expression strength and predict system portability.

Main Methods:

  • Benchmarking of constitutive expression plasmids using fluorescent reporter genes.
  • Development of the SelProm design tool incorporating a parts repository.
  • Application of model comparison and machine learning for predicting portability rules.

Main Results:

  • A set of constitutive expression plasmids was successfully benchmarked.
  • The SelProm tool was developed, offering a repository of plasmid expression data.
  • SelProm predicts portability rules between inducible and constitutive plasmids.

Conclusions:

  • The developed constitutive plasmids and SelProm tool facilitate the transition from costly inducible to more economical constitutive expression systems in industrial bioengineering.
  • SelProm aids in the rational design and optimization of plasmid-based gene expression systems.
  • The tool enhances the development of robust bioengineered bacterial systems for industrial applications.