β-amyrin synthase

Cloning and characterization of a β-amyrin synthase gene from the medicinal tree Aralia elata (Araliaceae)

Y. Wu, Zou, H. D., Cheng, H., Zhao, C. Y., Sun, L. F., Su, S. Z., Li, S. P., and Yuan, Y. P., Cloning and characterization of a β-amyrin synthase gene from the medicinal tree Aralia elata (Araliaceae), vol. 11, pp. 2301-2314, 2012.

Aralia elata is an important medicinal plant in China; it produces large amounts of oleanane type triterpene saponins. A full-length cDNA encoding β-amyrin synthase (designated as AeAS) was isolated from young leaves of A. elata by reverse transcription-PCR. The full-length cDNA of AeAS was found to have a 2292-bp open reading frame, encoding a protein with 763 amino acid residues. The deduced amino acid sequence of AeAS showed the highest identity (97%) to Panax ginseng β-amyrin synthase.

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