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📰 50 Hz magnetic fields alter gene expression and reduce survival in clams

June 9, 2026 (EMFS)
Jun 3, 2026 (original)
Source: Environ Pollut
Source category: Research
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An Environmental Pollution study reports that 14 days of 50 Hz ELF-EMF exposure altered survival, oxidative-stress markers and gene expression in the clam Cyclina sinensis. Stress-response genes were upregulated while mitochondrial energy genes were downregulated, with effects increasing at higher field intensity. The authors frame the work around potential ecological impacts from offshore and onshore wind farms.

"The rapid expansion of offshore and onshore wind farms has raised concerns regarding the potential ecological impacts of extremely low-frequency electromagnetic fields (ELF-EMF) on benthic organisms."

— Mingming Zhang et al.

"Key genes involved in endoplasmic reticulum stress (e.g., OS9, ATF6, EDEM) were upregulated, whereas genes critical for mitochondrial energy metabolism (e.g., ND4, COX3/1, CYTB) were downregulated."

— Mingming Zhang et al.

Exposure

"Individuals were exposed to two intensities of ELF-EMF (50 Hz) for 14 days: a low-intensity group at (5 ¹ 1) ΞT and a high-intensity group at (15 ¹ 1) ΞT, alongside a control group maintained under ambient magnetic field conditions without additional ELF-EMF sources"

— Mingming Zhang et al.

Source

De novo transcriptome profiling reveals the bioeffect of the clam (Cyclina sinensis) to graded extremely low-frequency electromagnetic fields (ELF-EMF, 50 Hz) exposure. pubmed.ncbi.nlm.nih.gov

📄 Underlying Research

De novo transcriptome profiling reveals the bioeffect of the clam (Cyclina sinensis) to graded extremely low-frequency electromagnetic fields (ELF-EMF, 50 Hz) exposure.

Mingming Zhang et al. (2026) Environmental pollution (1987) Journal Level 1ⓘ

🔗 DOI 📚 PubMed

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