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Updated: May 25, 2025

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Nano-selenium: a novel candidate for plant microbiome engineering.

Muzammil Hussain1, Muhammad Adeel2, Jason C White3

  • 1College of Agriculture and Food Engineering, Baise University, Baise 533000, China.

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|February 26, 2025
PubMed
Summary

Soil microbes influence plant health. A new study shows selenium nanoparticles (SeNPs) formed by soil microbes boost maize growth by increasing beneficial bacteria, offering a sustainable approach to agriculture.

Keywords:
beneficial microbeshistamine signalingnanoparticles biosynthesisp-coumarate signalingroot exudatesselenobacteria

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Area of Science:

  • Agricultural Science
  • Microbiology
  • Nanotechnology

Background:

  • The soil microbiome is crucial for plant health and agricultural productivity.
  • Plant-microbe interactions regulate nutrient cycling and plant defense.
  • Engineered nanoparticles offer potential for agricultural applications.

Purpose of the Study:

  • To investigate the role of selenium nanoparticles (SeNPs) in plant-microbe interactions.
  • To understand the mechanism of SeNP formation by rhizosphere microbiota.
  • To evaluate the impact of SeNPs on maize performance and soil beneficial bacteria.

Main Methods:

  • Described a plant-microbe signaling cascade for SeNP formation.
  • Utilized rhizosphere microbiota for SeNP synthesis.
  • Assessed maize growth and yield under different SeNP concentrations.
  • Analyzed soil microbial communities to identify changes in beneficial bacteria.

Main Results:

  • A novel signaling cascade enables rhizosphere microbes to form SeNPs.
  • SeNPs significantly enhanced maize performance in a dose-dependent manner.
  • Enrichment of plant-beneficial bacteria was observed with SeNP application.
  • This nano-microbiome engineering approach offers a sustainable method for crop improvement.

Conclusions:

  • Selenium nanoparticles can be biologically synthesized by soil microbes.
  • SeNPs promote plant growth by modulating the soil microbiome.
  • Nano-microbiome engineering presents a promising strategy for sustainable agriculture and food production.