Uncoupling brassinosteroid levels and de-etiolation in pea.

@article{Symons2002UncouplingBL,
  title={Uncoupling brassinosteroid levels and de-etiolation in pea.},
  author={Gregory M. Symons and Lee Schultz and L. H. J. Kerckhoffs and Noel W Davies and Davina Gregory and James B Reid},
  journal={Physiologia plantarum},
  year={2002},
  volume={115 2},
  pages={
          311-319
        }
}
The suggestion that brassinosteroids (BRs) have a negative regulatory role in de-etiolation is based largely on correlative evidence, which includes the de-etiolated phenotypes of, and increased expression of light-regulated genes in, dark-grown mutants defective in BR biosynthesis or response. However, we have obtained the first direct evidence which shows that endogenous BR levels in light-grown pea seedlings are increased, not decreased, in comparison with those grown in the dark. Similarly… CONTINUE READING

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