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Biophysical control of the growth of Agrobacterium tumefaciens using extremely low frequency electromagnetic waves at resonance frequency

Bioeffects Seen

Authors not listed · 2017

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Specific electromagnetic frequencies can damage bacterial DNA and reduce growth by 50%, showing EMF's powerful biological effects.

Plain English Summary

Summary written for general audiences

Researchers exposed Agrobacterium tumefaciens bacteria to extremely low frequency electromagnetic waves at 1.0 Hz and found it reduced bacterial growth by nearly 50% in 90 minutes. The EMF exposure also damaged the bacteria's DNA and made them less capable of causing disease in tomato plants. This suggests specific electromagnetic frequencies can control harmful bacteria without antibiotics.

Why This Matters

This study reveals something remarkable: electromagnetic fields at specific frequencies can act as a biological control mechanism, essentially weakening harmful bacteria at the cellular level. The researchers found that 1.0 Hz square wave modulation reduced Agrobacterium growth by 49.2% while also making the bacteria more susceptible to traditional antibiotics. What makes this particularly intriguing is the precision involved. The bacteria responded to this exact frequency with measurable DNA damage and reduced pathogenicity. While this research focuses on plant pathogens, it raises important questions about how our daily EMF exposures might be affecting the beneficial bacteria in our own bodies. The power levels used (200 V/m field strength) are higher than typical household exposures, but the biological principle demonstrated here suggests that electromagnetic fields can have profound effects on living systems at the cellular level.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 1.0 Hz (modulation frequency) exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 1.0 Hz (modulation frequency)Power lines50/60 HzCell phones~1 GHzWiFi2.4 GHz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study.

Cite This Study
Unknown (2017). Biophysical control of the growth of Agrobacterium tumefaciens using extremely low frequency electromagnetic waves at resonance frequency.
Show BibTeX
@article{biophysical_control_of_the_growth_of_agrobacterium_tumefaciens_using_extremely_low_frequency_electromagnetic_waves_at_resonance_frequency_ce4022,
  author = {Unknown},
  title = {Biophysical control of the growth of Agrobacterium tumefaciens using extremely low frequency electromagnetic waves at resonance frequency},
  year = {2017},
  doi = {10.1016/j.bbrc.2017.10.008},
  
}
DOI: 10.1016/j.bbrc.2017.10.008PubMed: 28988110

Quick Questions About This Study

The study found 1.0 Hz square wave modulation reduced Agrobacterium tumefaciens growth by 49.2% in 90 minutes. The bacteria weren't killed outright, but their growth was significantly inhibited and their ability to cause disease was reduced.
Researchers used a constant electromagnetic field strength of 200 V/m to achieve the DNA damage and growth inhibition. This is considerably higher than typical household EMF exposures, which are usually measured in much lower units.
Yes, the study found that after 90 minutes of 1.0 Hz EMF exposure, the tested antibiotics became more effective against the bacteria. This suggests electromagnetic treatment could potentially enhance antibiotic therapy effectiveness.
Significant effects were observed after 90 minutes of continuous exposure to 1.0 Hz square amplitude modulated waves. The researchers found molecular and morphological changes in the bacteria within this timeframe using DNA analysis and electron microscopy.
Tomato plants infected with EMF-exposed bacteria showed less severe crown gall symptoms compared to plants infected with untreated bacteria. The electromagnetic exposure reduced the bacteria's pathogenicity, making them less capable of causing aggressive plant disease.