期刊
SCIENCE
卷 349, 期 6243, 页码 81-83出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.aab0696
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资金
- Region Rhone-Alpes
- CNRS [GDR 2827]
- ENS Lyon
- INRA, France
The scent of roses (Rosa x hybrida) is composed of hundreds of volatile molecules. Monoterpenes represent up to 70% percent of the scent content in some cultivars, such as the Papa Meilland rose. Monoterpene biosynthesis in plants relies on plastid-localized terpene synthases. Combining transcriptomic and genetic approaches, we show that the Nudix hydrolase RhNUDX1, localized in the cytoplasm, is part of a pathway for the biosynthesis of free monoterpene alcohols that contribute to fragrance in roses. The RhNUDX1 protein shows geranyl diphosphate diphosphohydrolase activity in vitro and supports geraniol biosynthesis in planta.
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