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XTMS: pathway design in an eXTended metabolic space.

Pablo Carbonell1, Pierre Parutto2, Joan Herisson2

  • 1University of Evry, iSSB, F-91000 Evry, France CNRS, iSSB, F-91000 Evry, France jean-loup.faulon@issb.genopole.fr.

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Metabolic engineering and synthetic biology can now explore more value-added chemicals using the Extended Metabolic Space (XTMS) platform. This tool aids in designing novel biosynthetic pathways for sustainable chemical production in organisms like Escherichia coli.

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Area of Science:

  • Biotechnology
  • Metabolic Engineering
  • Synthetic Biology

Background:

  • Industrial organisms are crucial for sustainable production of value-added chemicals.
  • Manually exploring heterologous gene expression for novel metabolic pathways is complex and inefficient.

Purpose of the Study:

  • To present XTMS, a web-based platform for analyzing potential metabolic pathways.
  • To facilitate the rational design of metabolic engineering strategies.

Main Methods:

  • Utilizes an Extended Metabolic Space (XTMS) modeling framework.
  • Employs molecular signatures for coding biochemical transformations and deriving reaction rules.
  • Enumerates potential substrates and products for metabolic reactions.

Main Results:

  • Provides access to pathways that can be imported into chassis organisms like Escherichia coli.
  • Identifies promising routes based on metabolite exchange, pathway yield, toxicity, and enzyme efficiency.
  • Enables rationalization of metabolic engineering and exploration of non-natural metabolites.

Conclusions:

  • XTMS streamlines the design of metabolic pathways for sustainable chemical production.
  • The platform supports the development of novel enzymatic transformations and non-natural metabolites.
  • Facilitates the advancement of metabolic engineering and synthetic biology goals.