![]() ![]() ![]() ![]() Phylogenetic analysis of OMTs suggested a Nymphaea-specific expansion of the OMT family, indicating the evolution of lineage-specific functions. Expression patterns of NpOMTs provided implication for their roles in the production of the respective benzenoids. Methoxyanisole was identified as the universal product of all NpOMTs. By in vitro enzymatic assay, NpOMT3, 6, and 7 could produce anisole and NpOMT5, 7, 9, produce guaiacol, whereas NpOMT3, 6, 9, 11 catalyzed the formation of veratrole. prolifera flowers, 12 oxygen methyltransferases ( NpOMTs) were functionally identified. By creating and mining transcriptomes of N. prolifera exhibited temporal and spatial pattern with circadian rhythm and tissue specificity. Moreover, the emission of these floral benzenoids in N. prolifera is predominately comprised by methylated benzenoids including anisole, veratrole, guaiacol, and methoxyanisole. The headspace volatile collection combined with GC–MS analysis showed that the floral scent of N. In this study, we comprehensively investigated the emission, biosynthesis, and biological function of the floral scent in a night-blossoming waterlily Nymphaea prolifera. Nymphaea is a key genus of the ANA grade (Amborellales, Nymphaeales, and Austrobaileyales) of basal flowering plants, which serve as a key model to study the early evolution of floral traits. ![]()
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