AtTPK4, an Arabidopsis tandem-pore K+ channel, poised to control the pollen membrane voltage in a pH- and Ca2+-dependent manner.

@article{Becker2004AtTPK4AA,
  title={AtTPK4, an Arabidopsis tandem-pore K+ channel, poised to control the pollen membrane voltage in a pH- and Ca2+-dependent manner.},
  author={Dirk Dr Ing Becker and Dietmar Geiger and Marcel Dunkel and Anja Roller and Adam Bertl and Andreas Latz and Armando Carpaneto and Petra Dietrich and Melissa Roelfsema and Camilla Voelker and Daniel Bittencourt Schmidt and Bernd Mueller-Roeber and Katrin Czempinski and Rainer Hedrich},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={2004},
  volume={101 44},
  pages={
          15621-6
        }
}
The Arabidopsis tandem-pore K(+) (TPK) channels displaying four transmembrane domains and two pore regions share structural homologies with their animal counterparts of the KCNK family. In contrast to the Shaker-like Arabidopsis channels (six transmembrane domains/one pore region), the functional properties and the biological role of plant TPK channels have not been elucidated yet. Here, we show that AtTPK4 (KCO4) localizes to the plasma membrane and is predominantly expressed in pollen. AtTPK4… CONTINUE READING
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