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3.5-GHz radiofrequency electromagnetic radiation promotes the development of Drosophila melanogaster

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Authors not listed · 2022

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Exposure to 3.5 GHz radiofrequency electromagnetic radiation accelerated development and altered the microbiome in fruit flies.

Plain English Summary

Summary written for general audiences

Researchers exposed fruit flies to simulated 3.5 GHz radiofrequency electromagnetic radiation at intensities of 0.1, 1, and 10 W/m². Exposure increased early pupation and eclosion rates and shortened the mean development time. In larvae, heat shock protein and immune gene expression rose, oxidative stress enzymes increased, and microbial diversity fell while Acetobacter and Lactobacillus genera increased.

Why This Matters

The authors concluded that 3.5 GHz RF-EMF may enhance thermal stress, oxidative stress, and humoral immunity, alter the microbial community, and regulate insulin/TOR and ecdysteroid signalling pathways to promote fly development. They suggested that these combined effects may promote fly development.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 3.5 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 3.5 GHzPower lines50/60 HzCell phones~1 GHz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study.

Cite This Study
Unknown (2022). 3.5-GHz radiofrequency electromagnetic radiation promotes the development of Drosophila melanogaster.
Show BibTeX
@article{35_ghz_radiofrequency_electromagnetic_radiation_promotes_the_development_of_drosophila_melanogaster_ce3092,
  author = {Unknown},
  title = {3.5-GHz radiofrequency electromagnetic radiation promotes the development of Drosophila melanogaster},
  year = {2022},
  doi = {10.1016/j.envpol.2021.118646},
  
}
DOI: 10.1016/j.envpol.2021.118646PubMed: 34896224

Quick Questions About This Study

The study tested simulated 3.5 GHz radiofrequency electromagnetic radiation at intensities of 0.1, 1, and 10 W/m².
Exposure increased pupation percentages in the first three days and eclosion rates in the first two days, and shortened the mean development time.
Heat shock protein genes hsp22, hsp26, and hsp70 and humoral immune genes AttC, TotC, and TotA were significantly increased, while DuoX gene expression decreased and sod2 and cat gene expression increased.
Microbial community diversity and species abundance decreased significantly, while the genera Acetobacter and Lactobacillus increased significantly.
They concluded that 3.5 GHz RF-EMF may enhance thermal stress, oxidative stress, and humoral immunity, alter the microbial community, and regulate insulin/TOR and ecdysteroid signalling pathways to promote fly development.