Ion conductance pathways in potato tuber (Solanum tuberosum) inner mitochondrial membrane.

  title={Ion conductance pathways in potato tuber (Solanum tuberosum) inner mitochondrial membrane.},
  author={Karolina Matkovic and Izabela Koszela-Piotrowska and Wiesława Jarmuszkiewicz and A. F. Szewczyk},
  journal={Biochimica et biophysica acta},
  volume={1807 3},
Single-ion channel activities were measured after reconstitution of potato tuber mitochondrial inner membranes into planar lipid bilayers. In addition to the recently described large-conductance Ca(2+)-activated potassium channel activity (Koszela-Piotrowska et al., 2009), the following mitochondrial ion conductance pathways were recorded: (i) an ATP-regulated potassium channel (mitoK(ATP) channel) activity with a conductance of 164+/-8pS, (ii) a large-conductance Ca(2+)-insensitive iberiotoxin… CONTINUE READING
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