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Related Experiment Video

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Author Spotlight: Optimizing Growth Factors for Production of Biotechnologically Relevant Secondary Metabolites
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Astaxanthin biosynthesis for functional food development and space missions.

Xiulan Xie1, Moyu Zhong1, Xinxin Huang1,2

  • 1Laboratory of Space Biology, Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu, China.

Critical Reviews in Biotechnology
|October 20, 2024
PubMed
Summary

Natural astaxanthin (AXT), an antioxidant with anti-aging benefits, faces production challenges. Synthetic biology offers a promising solution for efficient, sustainable AXT biomanufacturing.

Keywords:
AstaxanthinHaematococcuspluvialiscell factorygenetic engineeringhuman healthmicroalgaespace explorationsynthetic biology

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Area of Science:

  • Biotechnology
  • Synthetic Biology
  • Natural Product Chemistry

Background:

  • Astaxanthin (AXT) is a potent antioxidant carotenoid with diverse health benefits, including anti-aging and UV protection.
  • Current industrial production of AXT is limited by natural source scarcity and low efficiency, hindering its widespread application in nutraceuticals, cosmetics, and pharmaceuticals.

Purpose of the Study:

  • To review qualitative differences of AXT from various natural sources.
  • To evaluate AXT expression in different host organisms.
  • To investigate synthetic biology and cell factory strategies for industrial AXT production.

Main Methods:

  • Comparative analysis of AXT from different natural sources.
  • Evaluation of AXT expression pathways in microbial and plant chassis.
  • Exploration of genetic engineering and metabolic pathway optimization for enhanced AXT biosynthesis.

Main Results:

  • Synthetic biology approaches enable the reprogramming of microorganisms and plants for AXT production.
  • Cell factory-based strategies offer a sustainable route for AXT biomanufacturing.
  • Genetic engineering provides a theoretical foundation for efficient AXT production from microalgae like *Haematococcus pluvialis*.

Conclusions:

  • Synthetic biology and cell factory-based strategies are crucial for overcoming AXT production limitations.
  • These advanced biomanufacturing techniques are essential for meeting industrial demand and exploring novel applications.
  • This review provides a reference for future research in AXT bioproduction and other valuable metabolite synthesis.