EMF Health-effects Research

Microwave-specific heating affects gene expression.

Saffer JD, Profenno LA,

Bioelectromagnetics 13(1):75-78, 1992

The effects of low-level microwave radiation on gene expression in Escherichia coli have been examined in a sensitive model. We confirm the previously reported existence of an increase in beta-galactosidase expression by microwave radiation--an increase not duplicated by bulk heating.

However, the effect was not frequency dependent and appeared to be due to heating effects peculiar to microwaves. These results indicate that small thermal gradients may be a source of biological effects of non-ionizing radiation.

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