A calcium-selective channel from root-Tip endomembranes of garden cress

  title={A calcium-selective channel from root-Tip endomembranes of garden cress},
  author={Klusener and Weiler},
  journal={Plant physiology},
  volume={119 4},
A Ca2+ channel from root-tip endomembranes of garden cress (Lepidium sativum L.) (LCC1) was characterized using the planar lipid-bilayer technique. Investigation of single-channel recordings revealed that LCC1 is voltage gated and strongly rectifying. In symmetrical 50 mM CaCl2 solutions, the single-channel conductance was 24 picosiemens. LCC1 showed a moderate selectivity for Ca2+ over K+ (9.4:1) and was permeable for a range of divalent cations (Ca2+, Ba2+, and Sr2+). In contrast to Bryonia… CONTINUE READING

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