Title |
Identification and Characterization of a δ-Cadinol Synthase Potentially Involved in the Formation of Boreovibrins in Boreostereum vibrans of Basidiomycota
|
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Published in |
Natural Products and Bioprospecting, April 2016
|
DOI | 10.1007/s13659-016-0096-4 |
Pubmed ID | |
Authors |
Hui Zhou, Yan-Long Yang, Jun Zeng, Ling Zhang, Zhi-Hui Ding, Ying Zeng |
Abstract |
Sesquiterpenoids are very common among natural products. A large number of sesquiterpene synthase genes have been cloned and functionally characterized. However, until now there is no report about the δ-cadinol synthase predominantly forming δ-cadinol (syn. torreyol) from farnesyl diphosphate. Sesquiterpenoids boreovibrins structurally similar to δ-cadinol were previously isolated from culture broths of the basidiomycete fungus Boreostereum vibrans. This led us to expect a corresponding gene coding for a δ-cadinol synthase that may be involved in the biosynthesis of boreovibrins in B. vibrans. Here we report the cloning and heterologous expression of a new sesquiterpene synthase gene from B. vibrans. The crude and purified recombinant enzymes, when incubating with farnesyl diphosphate as substrate, gave δ-cadinol as its principal product and thereby identified as a δ-cadinol synthase. A new sesquiterpene synthase gene was cloned from the basidiomycete fungus Boreostereum vibrans and heterologously expressed in E. coli. The purified recombinant enzyme gave δ-cadinol as its principal product from farnesyl diphosphate and thereby identified as a δ-cadinol synthase (BvCS). |
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