8,700 Studies Reviewed. 87.0% Found Biological Effects. The Evidence is Clear.
Shield Your Body

Note: This study found no significant biological effects under its experimental conditions. We include all studies for scientific completeness.

DNA & Genetic Damage

Investigation of potential genotoxic effects of low frequency electromagnetic fields on Escherichia coli

No Effects Found

Authors not listed · 1993

Share:

1 Hz electromagnetic fields showed no DNA damage or mutation effects in bacteria, even at high field strengths.

Plain English Summary

Summary written for general audiences

Researchers exposed E. coli bacteria to 1 Hz electromagnetic fields at strengths of 1 or 3 kV/m to test whether low-frequency EMF could damage DNA or increase mutations. The study found no effects on spontaneous mutations, DNA repair mechanisms, or sensitivity to other DNA-damaging agents like UV light or mitomycin C.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 1 Hz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 1 HzPower lines50/60 HzCell phones~1 GHzWiFi2.4 GHz5G mm28 GHzLogarithmic scale
Cite This Study
Unknown (1993). Investigation of potential genotoxic effects of low frequency electromagnetic fields on Escherichia coli.
Show BibTeX
@article{investigation_of_potential_genotoxic_effects_of_low_frequency_electromagnetic_fields_on_escherichia_coli_ce3981,
  author = {Unknown},
  title = {Investigation of potential genotoxic effects of low frequency electromagnetic fields on Escherichia coli},
  year = {1993},
  doi = {10.1111/j.2042-7158.1993.tb03674.x},
  
}
DOI: 10.1111/j.2042-7158.1993.tb03674.xPubMed: 8094442

Quick Questions About This Study

No, this study found that 1 Hz EMF at field strengths of 1-3 kV/m did not increase spontaneous mutation rates in E. coli bacteria or affect their sensitivity to other DNA-damaging agents.
The research showed no evidence that 1 Hz electromagnetic fields interfere with DNA repair mechanisms in E. coli, even when bacteria were pre-exposed to fields before UV radiation damage.
Researchers tested field strengths of 1 and 3 kV/m (kilovolts per meter), which are much higher than typical household EMF exposures that rarely exceed 0.01 kV/m.
No, the study found that pre-exposure to 1 Hz electromagnetic fields did not increase bacterial sensitivity to ultraviolet light damage or affect their UV resistance mechanisms.
The research showed that 1 Hz electromagnetic field exposure did not increase mutation frequencies caused by mitomycin C, a known DNA-damaging chemical, in E. coli bacteria.