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Microorganisms are valuable biological resources for creating selenium-enriched products. These microbes efficiently produce nano-selenium, a promising ingredient for functional foods and pharmaceuticals.

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Area of Science:

  • Microbiology
  • Biotechnology
  • Biochemistry

Background:

  • Microorganisms offer sustainable methods for selenium enrichment.
  • Microbial production of selenium compounds bypasses synthetic chemical processes.
  • Nano-selenium from microbes exhibits unique properties and biological activity.

Purpose of the Study:

  • To review selenium-enriched microorganisms.
  • To detail their classification, selenium metabolism, and transformation mechanisms.
  • To explore applications in food, medicine, and agriculture.

Main Methods:

  • Review of existing literature on microbial selenium enrichment.
  • Analysis of biochemical pathways for selenium absorption, reduction, and transformation.
  • Exploration of microbial synthesis of organic and nano-selenium.

Main Results:

  • Microorganisms efficiently absorb, reduce, and accumulate selenium.
  • Biochemical processes convert inorganic selenium into organic and nano-selenium forms.
  • Microbial nano-selenium possesses desirable physicochemical and biological properties.

Conclusions:

  • Selenium-enriched microorganisms are key to developing novel selenium technologies.
  • Microbial nano-selenium is a promising material for functional foods and pharmaceuticals.
  • Applications span food fortification, advanced materials, and therapeutic uses.