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Updated: Dec 24, 2025

Lateral Root Inducible System in Arabidopsis and Maize
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Exogenous application of NaBiF4 nanoparticle affects wheat root development.

Yunfei Wu1,2,3,4,5, Wangmenghan Peng1,2,3,4,5, Zhaodi Dong1,2,3,4,5

  • 1Jiangsu Key Laboratory of Crop Genetics and Physiology, Yangzhou University, Yangzhou, 225009, China.

BMC Plant Biology
|April 8, 2020
PubMed

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Summary

Sodium nanoparticles (NaBiF4) inhibit wheat root growth and disrupt sodium homeostasis, impacting plant development and triggering reactive oxygen species signaling. This study reveals key physiological effects of these nanoparticles on crops.

Area of Science:

  • Environmental Science
  • Plant Physiology
  • Nanotechnology

Background:

  • Soil pollution by nanoparticles negatively impacts crop development and biomass.
  • The specific effects of sodium nanoparticles on wheat root physiology remain largely uncharacterized.

Purpose of the Study:

  • To investigate the physiological effects of sodium hexafluoroniobate (NaBiF4) nanoparticles on wheat development.
  • To elucidate the mechanisms underlying NaBiF4 nanoparticle interactions with plant sodium content and root growth.

Main Methods:

  • Wheat plants were treated with 50 μM NaBiF4 nanoparticles.
  • Root elongation, fresh/dry weight, sodium content, and enzyme activities (SOD, CAT, POD) were analyzed.
  • BiF3 nanoparticles served as a control to confirm NaBiF4's role.
Keywords:
DevelopmentHomeostasisNaBiF4NanoparticleRootSodiumWheat

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Main Results:

  • NaBiF4 treatment inhibited root elongation but increased fresh and dry weight.
  • Wheat plants showed lower sodium content after NaBiF4 exposure, suggesting sodium export.
  • Superoxide dismutase (SOD) activity increased, while catalase (CAT) and peroxidase (POD) activity decreased.

Conclusions:

  • NaBiF4 nanoparticles accumulate in plants, disrupting sodium homeostasis and affecting plant development.
  • The observed changes in enzyme activity indicate involvement of the reactive oxygen species (ROS) signaling pathway.
  • These findings offer insights into the physiological consequences of sodium nanoparticle contamination in plants.