Investigation of triterpene synthesis and regulation in oats reveals a role for β-amyrin in determining root epidermal cell patterning.

  title={Investigation of triterpene synthesis and regulation in oats reveals a role for β-amyrin in determining root epidermal cell patterning.},
  author={Ariane C. Kemen and Suvi Honkanen and Rachel Melton and Kim C. Findlay and Sam T Mugford and Keiko Hayashi and K Haralampidis and Susan Rosser and Anne Osbourn},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={111 23},
Sterols have important functions in membranes and signaling. Plant sterols are synthesized via the isoprenoid pathway by cyclization of 2,3-oxidosqualene to cycloartenol. Plants also convert 2,3-oxidosqualene to other sterol-like cyclization products, including the simple triterpene β-amyrin. The function of β-amyrin per se is unknown, but this molecule can serve as an intermediate in the synthesis of more complex triterpene glycosides associated with plant defense. β-Amyrin is present at low… CONTINUE READING
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