Thermoreception of Paramecium: Different Ca2+ Channels Were Activated by Heating and Cooling

  title={Thermoreception of Paramecium: Different Ca2+ Channels Were Activated by Heating and Cooling},
  author={Chiaki Imada and Y. Oosawa},
  journal={The Journal of Membrane Biology},
A Paramecium cell responded to heat and cold stimuli, exhibiting increased frequency of directional changes in its swimming behavior. The increase in the frequency of directional changes was maintained during heating, but was transient during cooling. Although variations were large, as expected with this type of electrophysiological recording, results consistently showed a sustained depolarization of deciliated cells in response to heating. Depolarizations were also consistently observed upon… CONTINUE READING

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