Electrical properties of the plasma membrane of microplasmodia of Physarum polycephalum

Microplasmodia of Physarum polycephalum have been investigated by conventional electrophysiological techniques. In standard medium (30 mM K+, 4 mM Ca++, 3 mM Mg++, 18 mM citrate buffer, pH 4.7, 22 degrees C), the transmembrane potential difference Vm is around -100 mV and the membrane resistance abo...

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