Journal
CHEMBIOCHEM
Volume 17, Issue 10, Pages 904-907Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cbic.201600087
Keywords
aryl-aldehyde; biosynthesis; carboxylate reductase; enzymes; meroterpenoids
Funding
- Ministry of Education, Culture, Sports, Science and Technology
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LL-Z1272 beta (1) is a prenylated aryl-aldehyde produced by several fungi; it also serves as a key pathway intermediate for many fungal meroterpenoids. Despite its importance in the biosynthesis of natural products, the molecular basis for the biosynthesis of 1 has yet to be elucidated. Here we identified the biosynthetic gene cluster for 1 from Stachybotrys bisbyi PYH05-7, and elucidated the biosynthetic route to 1. The biosynthesis involves a polyketide synthase, a prenyltransferase, and a non-ribosomal peptide synthetase (NRPS)-like enzyme, which is responsible for the generation of the aldehyde functionality. Interestingly, the NRPS-like enzyme only accepts the farnesylated substrate to catalyze the carboxylate reduction; this represents a new example of a substrate for adenylation domains.
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