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Procedure for Adaptive Laboratory Evolution of Microorganisms Using a Chemostat
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Terpenoid Metabolic Engineering in Photosynthetic Microorganisms.

Konstantinos Vavitsas1,2, Michele Fabris3,4, Claudia E Vickers5,6

  • 1Australian Institute of Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD 4072, Australia. k.vavitsas@uq.edu.au.

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|October 27, 2018
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Summary

Terpenoids are valuable natural products, but natural sourcing and chemical synthesis are often not viable. Metabolic engineering in photosynthetic organisms offers a promising route for sustainable and economic bio-production.

Keywords:
cyanobacteriadiatomsmetabolic engineeringphotosynthetic microorganismsterpenoids

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Area of Science:

  • Metabolic Engineering
  • Natural Product Biosynthesis
  • Synthetic Biology

Background:

  • Terpenoids are diverse natural products with significant commercial applications in pharmaceuticals and food.
  • Current production methods relying on natural sources or chemical synthesis often face economic and scalability limitations.
  • Efficient bio-production of terpenoids is hindered by incomplete understanding of regulatory and biochemical pathways.

Purpose of the Study:

  • To review terpenoid metabolism and recent advances in metabolic engineering.
  • To explore the potential of photosynthetic unicellular organisms as production platforms for terpenoids.
  • To address challenges in achieving efficient terpenoid conversion yields.

Main Methods:

  • Review of existing literature on terpenoid metabolism and engineering.
  • Analysis of challenges in heterologous host production.
  • Discussion of photosynthetic production platforms like algae and cyanobacteria.

Main Results:

  • Terpenoid production is economically challenging via traditional methods.
  • Engineered bio-production is a viable alternative but requires deeper understanding of metabolic pathways.
  • Photosynthetic organisms present a sustainable feedstock option, potentially improving economic and environmental credentials.

Conclusions:

  • Metabolic engineering is crucial for overcoming limitations in terpenoid production.
  • Photosynthetic unicellular organisms offer a promising platform for sustainable and cost-effective terpenoid bio-production.
  • Further research into regulatory mechanisms is needed for optimizing yields from carbon dioxide.