G-proteins in etiolated Avena seedlings. Possible phytochrome regulation.

  title={G-proteins in etiolated Avena seedlings. Possible phytochrome regulation.},
  author={Liu Yao Cho e Jos{\'e} Ricardo Romero and Dagmar Sommer and Cecilia Gotor and Pill Soon Song},
  journal={FEBS letters},
  volume={282 2},
The molecular mechanism of light signal transduction in plants mediated by the photosensor phytochrome is not well understood. The possibility that phytochrome initiates the signal transduction chain by modulating a G-protein-like receptor is examined in the present work. Etiolated Avena seedlings contain G-proteins as examined in terms of the binding of GTP as well as by cross-reaction with mammalian G-protein antibodies. The binding of GTP was regulated in vivo by red/far-red light. The… CONTINUE READING

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