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Related Experiment Video

Updated: Jun 2, 2025

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A photosynthesis-derived bionic system for sustainable biosynthesis.

Na Chen1, Ruichen Shen2, Tianpei He1

  • 1Renmin Hospital of Wuhan University, College of Chemistry and Molecular Sciences, Institute of Molecular Medicine, School of Microelectronics, Wuhan University, Wuhan, 430072, P. R. China.

Angewandte Chemie (International Ed. in English)
|January 13, 2025
PubMed
Summary

Harnessing microbial "cell factories" with a novel light-driven system enhances reduced nicotinamide adenine dinucleotide (NAD(P)H) and adenosine triphosphate (ATP) production for sustainable CO2 fixation and biomanufacturing.

Keywords:
ATPCO2 fixationNADPHbionic systemsustainable biosynthesis

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Area of Science:

  • Biotechnology and Synthetic Biology
  • Sustainable Chemistry
  • Metabolic Engineering

Background:

  • Microbial cell factories offer a sustainable alternative to fossil fuels for CO2 emission reduction.
  • Efficient microbial anabolism requires high levels of NAD(P)H and ATP, which are often limiting.
  • Current methods struggle to increase NAD(P)H and ATP without causing metabolic imbalance.

Purpose of the Study:

  • To design a light-driven bionic system for simultaneous and controllable production of NAD(P)H and ATP.
  • To overcome limitations in microbial anabolism for enhanced CO2 fixation and biomanufacturing.
  • To provide sustainable energy regeneration for optimizing microbial metabolism.

Main Methods:

  • Development of a three-module light-driven bionic system: photo-induced electron module, electron transfer channel module, and proton gradient module.
  • Mimicking natural photosynthesis for coupled electron-proton transfer driven by sunlight.
  • Integration of the bionic system with microbial metabolic pathways.

Main Results:

  • Simultaneous and controllable generation of NAD(P)H and ATP was achieved.
  • The system facilitates highly efficient CO2 fixation.
  • Optimized microbial metabolism for enhanced biomanufacturing was demonstrated.

Conclusions:

  • The light-driven bionic system offers a novel strategy for sustainable biomanufacturing.
  • This approach provides a renewable energy source for microbial metabolism, reducing reliance on fossil fuels.
  • The designed system presents a promising avenue for CO2 mitigation and high-value chemical production.