Light-regulated nuclear import and degradation of Arabidopsis phytochrome-A N-terminal fragments.

@article{Wolf2011LightregulatedNI,
  title={Light-regulated nuclear import and degradation of Arabidopsis phytochrome-A N-terminal fragments.},
  author={Iris Wolf and Stefan Kircher and Erzs{\'e}bet Fejes and L{\'a}szl{\'o} Kozma-Bogn{\'a}r and Eberhard Sch{\"a}fer and Ferenc Nagy and Eva Ad{\'a}m},
  journal={Plant & cell physiology},
  year={2011},
  volume={52 2},
  pages={
          361-72
        }
}
The photoreceptor phytochrome-A (phyA) regulates germination and seedling establishment by mediating very low fluence (VLFR) and far-red high irradiance (FR-HIR) responses in Arabidopsis thaliana. In darkness, phyA homodimers exist in the biologically inactive Pr form and are localized in the cytoplasm. Light induces formation of the biologically active Pfr form and subsequent rapid nuclear import. PhyA Pfr, in contrast to the Pr form, is labile and has a half-life of ∼30 min. We produced… CONTINUE READING

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