GIGANTEA regulates phytochrome A-mediated photomorphogenesis independently of its role in the circadian clock.

@article{Oliverio2007GIGANTEARP,
  title={GIGANTEA regulates phytochrome A-mediated photomorphogenesis independently of its role in the circadian clock.},
  author={Karina Andrea Oliverio and Mar{\'i}a A Crepy and Ellen L Martin-Tryon and Raechel Milich and Stacey L Harmer and Joanna J. Putterill and Marcelo J Yanovsky and Jorge Jos{\'e} Casal},
  journal={Plant physiology},
  year={2007},
  volume={144 1},
  pages={
          495-502
        }
}
GIGANTEA (GI) is a nuclear protein involved in the promotion of flowering by long days, in light input to the circadian clock, and in seedling photomorphogenesis under continuous red light but not far-red light (FR). Here, we report that in Arabidopsis (Arabidopsis thaliana) different alleles of gi have defects in the hypocotyl-growth and cotyledon-unfolding responses to hourly pulses of FR, a treatment perceived by phytochrome A (phyA). This phenotype is rescued by overexpression of GI. The… CONTINUE READING

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