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Article

Cloning and Characterisation of the Gene Encoding 3-Hydroxy-3-Methylglutaryl-CoA Synthase in Tripterygium wilfordii

by
Yu-Jia Liu
1,
Yu-Jun Zhao
1,
Meng Zhang
1,
Ping Su
1,
Xiu-Juan Wang
1,
Xia-Nan Zhang
1,
Wei Gao
1,* and
Lu-Qi Huang
2,*
1
School of Traditional Chinese Medicine, Capital Medical University, Beijing 100069, China
2
National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
*
Authors to whom correspondence should be addressed.
Molecules 2014, 19(12), 19696-19707; https://doi.org/10.3390/molecules191219696
Submission received: 27 October 2014 / Revised: 19 November 2014 / Accepted: 20 November 2014 / Published: 27 November 2014
(This article belongs to the Section Molecular Diversity)
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Abstract

Tripterygium wilfordii is a traditional Chinese medical plant used to treat rheumatoid arthritis and cancer. The main bioactive compounds of the plant are diterpenoids and triterpenoids. 3-Hydroxy-3-methylglutaryl-CoA synthase (HMGS) catalyses the reaction of acetoacetyl-CoA to 3-hydroxy-3-methylglutaryl-CoA, which is the first committed enzyme in the mevalonate (MVA) pathway. The sequence information of HMGS in Tripterygium wilfordii is a basic resource necessary for studying the terpenoids in the plant. In this paper, full-length cDNA encoding HMGS was isolated from Tripterygium wilfordii (abbreviated TwHMGS, GenBank accession number: KM978213). The full length of TwHMGS is 1814 bp, and the gene encodes a protein with 465 amino acids. Sequence comparison revealed that TwHMGS exhibits high similarity to HMGSs of other plants. The tissue expression patterns revealed that the expression level of TwHMGS is highest in the stems and lowest in the roots. Induced expression of TwHMGS can be induced by MeJA, and the expression level is highest 4 h after induction. The functional complement assays in the YML126C knockout yeast demonstrated that TwHMGS participates in yeast terpenoid biosynthesis.
Keywords: HMGS; mevalonate (MVA) pathway; Tripterygium wilfordii; terpenoids HMGS; mevalonate (MVA) pathway; Tripterygium wilfordii; terpenoids

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MDPI and ACS Style

Liu, Y.-J.; Zhao, Y.-J.; Zhang, M.; Su, P.; Wang, X.-J.; Zhang, X.-N.; Gao, W.; Huang, L.-Q. Cloning and Characterisation of the Gene Encoding 3-Hydroxy-3-Methylglutaryl-CoA Synthase in Tripterygium wilfordii. Molecules 2014, 19, 19696-19707. https://doi.org/10.3390/molecules191219696

AMA Style

Liu Y-J, Zhao Y-J, Zhang M, Su P, Wang X-J, Zhang X-N, Gao W, Huang L-Q. Cloning and Characterisation of the Gene Encoding 3-Hydroxy-3-Methylglutaryl-CoA Synthase in Tripterygium wilfordii. Molecules. 2014; 19(12):19696-19707. https://doi.org/10.3390/molecules191219696

Chicago/Turabian Style

Liu, Yu-Jia, Yu-Jun Zhao, Meng Zhang, Ping Su, Xiu-Juan Wang, Xia-Nan Zhang, Wei Gao, and Lu-Qi Huang. 2014. "Cloning and Characterisation of the Gene Encoding 3-Hydroxy-3-Methylglutaryl-CoA Synthase in Tripterygium wilfordii" Molecules 19, no. 12: 19696-19707. https://doi.org/10.3390/molecules191219696

APA Style

Liu, Y.-J., Zhao, Y.-J., Zhang, M., Su, P., Wang, X.-J., Zhang, X.-N., Gao, W., & Huang, L.-Q. (2014). Cloning and Characterisation of the Gene Encoding 3-Hydroxy-3-Methylglutaryl-CoA Synthase in Tripterygium wilfordii. Molecules, 19(12), 19696-19707. https://doi.org/10.3390/molecules191219696

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