Selenium-Enriched Microorganisms: Metabolism, Production, and Applications.

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.