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Biosynthesis in bacteria is a fundamental anabolic process that generates essential macromolecules, including proteins, nucleic acids, lipids, and polysaccharides. These macromolecules are critical for cellular growth, replication, and function. The process is tightly regulated and energetically linked to catabolic pathways to ensure optimal resource utilization.Biosynthetic pathways begin with precursor metabolites such as pyruvate, acetyl-CoA, and glucose-6-phosphate derived from glycolysis,...
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Tricin Biosynthesis and Bioengineering.

Pui Ying Lam1, Andy C W Lui2, Lanxiang Wang3

  • 1Research Institute for Sustainable Humanosphere, Kyoto University, Kyoto, Japan.

Frontiers in Plant Science
|September 13, 2021
PubMed
Summary
This summary is machine-generated.

Tricin, a plant metabolite, plays roles in stress tolerance and is a promising nutraceutical. This review details its biosynthesis pathway and potential applications in functional foods and biorefineries.

Keywords:
bioengineeringbiorefinerybiosynthetic pathwaysflavonoidslignintricin

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Area of Science:

  • Plant biochemistry
  • Metabolomics
  • Nutraceutical science

Background:

  • Tricin (3",5 ahydroxyflavone) is a specialized plant metabolite with roles in stress tolerance and defense.
  • It occurs as O-glycosides and oligolignols in grasses and sporadically in dicots.
  • Tricin functions as a non-monolignol lignin monomer in various angiosperms.

Purpose of the Study:

  • To review the tricin biosynthetic pathway in grasses and dicots.
  • To highlight characterized and potential enzymes involved in tricin biosynthesis.
  • To discuss bioengineering applications for functional foods and lignin modification.

Main Methods:

  • Literature review of tricin biosynthesis and function.
  • Analysis of characterized enzymes in tricin metabolic pathways.
  • Summary of bioengineering strategies for tricin manipulation.

Main Results:

  • Tricin biosynthesis pathways in grasses and dicots are complex, involving multiple enzymes.
  • Several enzymes have been identified, but some steps remain uncharacterized.
  • Tricin's role as a lignin monomer is significant for plant structure and potential applications.

Conclusions:

  • Understanding tricin biosynthesis is crucial for its nutraceutical and industrial applications.
  • Further research is needed to fully elucidate the pathway and identify all involved enzymes.
  • Bioengineering tricin biosynthesis offers potential for developing functional foods and improving biorefinery processes.