Journal
ACS CHEMICAL BIOLOGY
Volume 18, Issue 1, Pages 134-140Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acschembio.2c00760
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In this study, candidate sesquiterpene synthases were identified from the genome of the saffron milk cap mushroom L. deliciosus and expressed in a sesquiterpene-overproducing E. coli strain. The researchers discovered a previously unknown enzyme belonging to a new clade of sesquiterpene synthases that produces a terpene with a unique spiro-tricyclic scaffold. These findings contribute to the diversity of terpene scaffolds and mushroom terpene synthases, and have valuable applications in biotechnology.
Milk cap mushrooms in the genus Lactarius are known to produce a wide variety of terpene natural products. However, their repertoire of terpene biosynthetic enzymes has not been fully explored. In this study, several candidate sesquiterpene synthases were identified from the genome of the saffron milk cap mushroom L. deliciosus and expressed in a sesquiterpeneoverproducing Escherichia coli strain. In addition to enzymes that produce several known terpenes, we identified an enzyme belonging to a previously unknown clade of sesquiterpene synthases that produces a terpene with a unique spiro-tricyclic scaffold. These findings add to the rich diversity of terpene scaffolds and mushroom terpene synthases and are valuable for biotechnological applications in producing these terpenoids.
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