BR-dependent phosphorylation modulates PIF4 transcriptional activity and shapes diurnal hypocotyl growth.

@article{BernardoGarca2014BRdependentPM,
  title={BR-dependent phosphorylation modulates PIF4 transcriptional activity and shapes diurnal hypocotyl growth.},
  author={Stella Bernardo-Garc{\'i}a and Miguel de Lucas and Cristina Mart{\'i}nez and Ana Espinosa-Ru{\'i}z and Jean-Michel Davi{\`e}re and Salom{\'e} Prat},
  journal={Genes & development},
  year={2014},
  volume={28 15},
  pages={
          1681-94
        }
}
Signaling by the hormones brassinosteroid (BR) and gibberellin (GA) is critical to normal plant growth and development and is required for hypocotyl elongation in response to dark and elevated temperatures. Active BR signaling is essential for GA promotion of hypocotyl growth and suppresses the dwarf phenotype of GA mutants. Cross-talk between these hormones occurs downstream from the DELLAs, as GA-induced destabilization of these GA signaling repressors is not affected by BRs. Here we show… CONTINUE READING

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