@article{ZHANG2006, 
author = {Jianfeng ZHANG and Zhigang GUO},
title = {Effect of Methyl Jasmonic Acid on Baccatin Ⅲ Biosynthesis},
year = {2006},
journal = {Tsinghua Science and Technology},
volume = {11},
number = {3},
pages = {363-367},
keywords = {baccatin Ⅲ, 10-deaceyle baccatin (DAB) Ⅲ acetyl transferase, methyl jasmonic acid, biosynthesis},
url = {https://www.sciopen.com/article/10.1016/S1007-0214(06)70201-2},
doi = {10.1016/S1007-0214(06)70201-2},
abstract = {As baccatin Ⅲ is an immediate diterpenoid precursor of taxol, the increase of baccatin Ⅲ is beneficial to the biosynthesis of taxol. Addition of methyl jasmonic acid (MJ) enhances the activity of 10- deaceyle baccatin (DAB) Ⅲ acetyl transferase which catalyzes the bioconversion from 10-DAB Ⅲ to beccatin Ⅲ. In this paper, the baccatin Ⅲ content was increased by 174% by the addition of 100 µmol/L MJ in suspension cultures of Taxus cuspidate. Induction by MJ also increased the expression of a 49.0-kDa protein. This paper describes the cell free acetylation of 10-DAB Ⅲ in crude extracts of enzyme from the suspension cultures of Taxus cuspidate. The reaction product was confirmed by high performance liquid chromatograph (HPLC). About 25.0% of the 10-DAB Ⅲ was acetylized into baccatin Ⅲ on the 4th day with 100 µmol/L MJ. The 10-DAB Ⅲ acetyl transferase activity reached a peak on the 2nd day with 100 µmol/L MJ, with 54.7% of the 10-DAB Ⅲ transformed into baccatin Ⅲ. The baccatin Ⅲ content increased with the increase of 10-DAB Ⅲ acetyl transferase activity, although the biosynthesis was delayed by more than 24 h. The remarkable induction of MJ on baccatin Ⅲ biosynthesis shows a promising way to increase the production of taxol.}
}