Overexpression of Arabidopsis phytochrome B inhibits phytochrome A function in the presence of sucrose.

@article{Short1999OverexpressionOA,
  title={Overexpression of Arabidopsis phytochrome B inhibits phytochrome A function in the presence of sucrose.},
  author={Timothy W. Short},
  journal={Plant physiology},
  year={1999},
  volume={119 4},
  pages={1497-506}
}
Overexpression of phytochrome B (phyB) in Arabidopsis has previously been demonstrated to result in dominant negative interference of phytochrome A (phyA)-mediated hypocotyl growth inhibition in far-red (FR) light. This phenomenon has been examined further in this study and has been found to be dependent on the FR fluence rate and on the availability of metabolizable sugars in the growth medium. Poorly metabolized sugars capable of activating the putative hexokinase sensory function were not… CONTINUE READING

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