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Effect of stationary magnetic field strengths of 150 and 200 mT on reactive oxygen species production in soybean

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Shine MB, Guruprasad KN, Anand A · 2012

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Soybean seeds treated with static magnetic fields of 150 and 200 mT showed enhanced production of reactive oxygen species linked to improved germination and seedling growth.

Plain English Summary

Summary written for general audiences

Researchers treated soybean seeds with static magnetic fields of 150 and 200 mT for 1 hour and measured reactive oxygen species and antioxidant enzyme activity. Magnetic field treatment resulted in enhanced production of ROS mediated by cell wall peroxidase, while ascorbic acid content, superoxide dismutase, and ascorbate peroxidase activity decreased in the hypocotyl of germinating seeds. The researchers described these findings as their first report on the biochemical basis of enhanced germination and seedling growth in magnetically treated soybean seeds in relation to increased ROS production.

Why This Matters

Superoxide and hydroxyl radicals were measured in embryos and hypocotyls of germinating seeds using electron paramagnetic resonance spectroscopy and kinetics of superoxide production. Hydrogen peroxide and antioxidant activities were estimated spectrophotometrically. An increase in cytosolic peroxidase activity indicated that this antioxidant enzyme had a vital role in scavenging the increased H2O2 produced in seedlings from the magnetically treated seeds.

Exposure Details

Magnetic Field
150 and 200 mT
Exposure Duration
1h

Exposure Context

This study used 150 and 200 mT for magnetic fields:

Building Biology guidelines are practitioner-based limits from real-world assessments. BioInitiative Report recommendations are based on peer-reviewed science. Check Your Exposure to compare your own measurements.

Where This Falls on the Concern Scale

Study Exposure Level in ContextStudy Exposure Level in ContextThis study: 150 and 200 mTExtreme Concern - 5 mGFCC Limit - 2,000 mGEffects observed in the Extreme Concern range (Building Biology)This level is 750 times the FCC limit

Study Details

In this study, soybean seeds treated with static magnetic fields of 150 and 200 mT for 1 h were evaluated for reactive oxygen species (ROS) and activity of antioxidant enzymes.

Superoxide and hydroxyl radicals were measured in embryos and hypocotyls of germinating seeds by ele...

Magnetic field treatment resulted in enhanced production of ROS mediated by cell wall peroxidase whi...

Hence, these studies contribute to our first report on the biochemical basis of enhanced germination and seedling growth in magnetically treated seeds of soybean in relation to increased production of ROS.

Cite This Study
Shine MB, Guruprasad KN, Anand A (2012). Effect of stationary magnetic field strengths of 150 and 200 mT on reactive oxygen species production in soybean Bioelectromagnetics. 33(5):428-437, 2012.
Show BibTeX
@article{mb_2012_effect_of_stationary_magnetic_461,
  author = {Shine MB and Guruprasad KN and Anand A},
  title = {Effect of stationary magnetic field strengths of 150 and 200 mT on reactive oxygen species production in soybean},
  year = {2012},
  doi = {10.1002/bem.21702},
  url = {https://onlinelibrary.wiley.com/doi/abs/10.1002/bem.21702},
}
DOI: 10.1002/bem.21702

Cited By (84 papers)

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Quick Questions About This Study

Soybean seeds were treated with static magnetic fields of 150 and 200 mT for 1 hour.
Superoxide and hydroxyl radicals were measured using electron paramagnetic resonance spectroscopy, and hydrogen peroxide and antioxidant activities were estimated spectrophotometrically.
Ascorbic acid content, superoxide dismutase, and ascorbate peroxidase activity decreased in the hypocotyl of germinating seeds, while cytosolic peroxidase activity increased.
The researchers described it as their first report on the biochemical basis of enhanced germination and seedling growth in magnetically treated soybean seeds in relation to increased ROS production.
The enhanced production of ROS was mediated by cell wall peroxidase following magnetic field treatment.