Brassinosteroid-6-oxidases from Arabidopsis and tomato catalyze multiple C-6 oxidations in brassinosteroid biosynthesis.

@article{Shimada2001Brassinosteroid6oxidasesFA,
  title={Brassinosteroid-6-oxidases from Arabidopsis and tomato catalyze multiple C-6 oxidations in brassinosteroid biosynthesis.},
  author={Yukihisa Shimada and Shinsuke Fujioka and N. Miyauchi and Masayo Kushiro and Suguru Takatsuto and Takahito Nomura and Takao Yokota and Yuji Kamiya and Gerard J. Bishop and Shinya Yoshida},
  journal={Plant physiology},
  year={2001},
  volume={126 2},
  pages={
          770-9
        }
}
Brassinosteroids (BRs) are steroidal plant hormones that are essential for growth and development. It has been proposed that BRs are synthesized via two parallel pathways, the early and late C-6 oxidation pathways according to the C-6 oxidation status. The tomato (Lycopersicon esculentum) Dwarf gene encodes a cytochrome P450 that has been shown to catalyze the C-6 oxidation of 6-deoxocastasterone to castasterone. We isolated an Arabidopsis ortholog (AtBR6ox gene) of the tomato Dwarf gene. The… CONTINUE READING

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