Electric activity of yeast cells in low khz region

Nonlinear electrical polar vibrations and generation of endogenous electromagnetic field in living cells excited by metabolic energy supply were postulated by H. Frőhlich. Pelling et al. detected mechanical vibrations of yeast cell membrane by Atomic Force Microscope (frequency range below 2 kHz, amplitude about 1 nm). Electric activity of temperature dependent tubulin mutant tub2-401 of Saccharomyces cerevisiae was measured in the frequency range 0.4- 1.6 kHz. The cells synchronized in the M phase have higher electric activity than the nonsynchronized cells which is consistent with Pohl findings of increased electromagnetic activity of yeast cells in the M phase. 1