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Updated: Jun 15, 2025

Polymalic Acid-based Nano Biopolymers for Targeting of Multiple Tumor Markers: An Opportunity for Personalized Medicine?
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[Biomanufacturing of propionic acid].

Peng Zheng1, Gengxuan Yan2, Limin Wang1

  • 1Key Laboratory of Microbial Physiological & Metabolic Engineering, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China.

Sheng Wu Gong Cheng Xue Bao = Chinese Journal of Biotechnology
|August 22, 2024
PubMed
Summary
This summary is machine-generated.

This review explores sustainable biomanufacturing of propionic acid, a key C3 chemical. It covers metabolic engineering in microbes like Propionibacterium and pathway reconstruction in hosts such as Escherichia coli and Saccharomyces cerevisiae.

Keywords:
L-threoninebiomanufacturingmetabolic engineeringpropionic acid

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Area of Science:

  • Biotechnology and Synthetic Biology
  • Chemical Engineering
  • Microbiology

Background:

  • Propionic acid is a vital C3 platform chemical with broad applications.
  • Traditional chemical synthesis routes are unsustainable and environmentally damaging.
  • Microbial production from renewable resources offers a sustainable alternative.

Purpose of the Study:

  • To review advancements in propionic acid biomanufacturing.
  • To summarize metabolic engineering strategies in native and heterologous hosts.
  • To highlight synthetic biology approaches for pathway optimization.

Main Methods:

  • Review of metabolic engineering studies in Propionibacterium.
  • Analysis of pathway reconstruction in Escherichia coli and Saccharomyces cerevisiae.
  • Examination of synthetic biology-driven pathway design in Pseudomonas putida KT2440.

Main Results:

  • Successful metabolic engineering of Propionibacterium for enhanced production.
  • Demonstrated feasibility of heterologous hosts for propionic acid synthesis.
  • Progress in designing Pseudomonas putida pathways for high-purity production from L-threonine and 1,2-propanediol.

Conclusions:

  • Biomanufacturing presents a sustainable and environmentally friendly route for propionic acid production.
  • Metabolic engineering and synthetic biology are key enablers for efficient microbial synthesis.
  • Further research in pathway design and host optimization will advance industrial applications.