Control of gibberellin levels and gene expression during de-etiolation in pea.

@article{Reid2002ControlOG,
  title={Control of gibberellin levels and gene expression during de-etiolation in pea.},
  author={James B Reid and Natasha A Botwright and Jennifer J. Smith and Damian P. O'Neill and LHJ. Kerckhoffs},
  journal={Plant physiology},
  year={2002},
  volume={128 2},
  pages={734-41}
}
Gibberellin A(1) (GA(1)) levels drop significantly in wild-type pea (Pisum sativum) plants within 4 h of exposure to red, blue, or far-red light. This response is controlled by phytochrome A (phyA) (and not phyB) and a blue light receptor. GA(8) levels are increased in response to 4 h of red light, whereas the levels of GA(19), GA(20), and GA(29) do not vary substantially. Red light appears to control GA(1) levels by down-regulating the expression of Mendel's LE (PsGA3ox1) gene that controls… CONTINUE READING

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