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      Potassium channels in the mitochondria of unicellular eukaryotes and plants.

      Febs Letters
      Animals, Energy Metabolism, Eukaryotic Cells, cytology, metabolism, Humans, Mitochondria, Plant Cells, Plants, Potassium Channels

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          Abstract

          The functional characterisation of potassium channels found in the mitochondria of plants and unicellular eukaryotes is critically discussed herein, with a focus on the ATP-sensitive potassium channel and the large-conductance Ca(2+)-activated potassium channel (mitoBK(Ca) channel). The physiological functions of these channels are not completely understood. We discuss the functional connections and roles of potassium channels, uncoupling protein and alternative oxidase, three energy-dissipating systems that exist in the mitochondrial respiratory chain of plants and some unicellular eukaryotes, which include preventing the production of reactive oxygen species. Copyright 2010 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.

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          Author and article information

          Journal
          20083113
          10.1016/j.febslet.2010.01.023

          Chemistry
          Animals,Energy Metabolism,Eukaryotic Cells,cytology,metabolism,Humans,Mitochondria,Plant Cells,Plants,Potassium Channels

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