Activation of a plant plasma membrane Ca2+ channel by TGalpha1, a heterotrimeric G protein alpha-subunit homologue.

@article{Aharon1998ActivationOA,
  title={Activation of a plant plasma membrane Ca2+ channel by TGalpha1, a heterotrimeric G protein alpha-subunit homologue.},
  author={Gilad S. Aharon and Andrea Gelli and Wayne A Snedden and Eduardo Blumwald},
  journal={FEBS letters},
  year={1998},
  volume={424 1-2},
  pages={
          17-21
        }
}
Wild-type and GTPase-deficient recombinant TGalpha1 were used along patch-clamp techniques to study the role of heterotrimeric G proteins in the regulation of the hyperpolarized active tomato plasma membrane Ca2+ channel. Recombinant alpha-subunits induced an increase in channel activity as shown by the increase in channel events and the mean open probability of the channel. Our results suggest a membrane-delimited pathway involving heterotrimeric G proteins in Ca2+ channel activation. 
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