A reevaluation of the role of the heterotrimeric G protein in coupling light responses in Arabidopsis.

@article{Jones2003ARO,
  title={A reevaluation of the role of the heterotrimeric G protein in coupling light responses in Arabidopsis.},
  author={Alan M. Jones and Joseph R. Ecker and Jin-Gui Chen},
  journal={Plant physiology},
  year={2003},
  volume={131 4},
  pages={
          1623-7
        }
}
Previous studies implicated the involvement of a heterotrimeric G protein in red (R) and far-red (FR) light signal transduction, but these studies utilized pharmacological or gain-of-function approaches and, therefore, are indirect tests. Here, we reexamine the role of the single canonical heterotrimeric G protein in R and FR control of hypocotyl growth using a loss-of-function approach. Single- and double-null mutants for the GPA1, AGB1 genes encoding the alpha and beta subunit of the… CONTINUE READING

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