Biosynthesis of monoterpene scent compounds in roses | Zendy

JeanLouis Magnard | Zendy; Aymeric Roccia | Zendy; JeanClaude Caissard | Zendy; Philippe Vergne | Zendy; Pulu Sun | Zendy; Romain Hecquet | Zendy; Annick Dubois | Zendy; Laurence HibrandSaint Oyant | Zendy; Frédéric Jullien | Zendy; Florence Nicolè | Zendy; Olivier Raymond | Zendy; Stéphanie Huguet | Zendy; Raymonde Baltenweck | Zendy; Sophie Meyer | Zendy; Patricia Claudel | Zendy; Julien Jeauffre | Zendy; Michel Rohmer | Zendy; Fabrice Foucher | Zendy; Philippe Hugueney | Zendy; Mohammed Bendahmane | Zendy; Sylvie Baudino | Zendy

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Biosynthesis of monoterpene scent compounds in roses

Author(s) -

JeanLouis Magnard,

Aymeric Roccia,

JeanClaude Caissard,

Philippe Vergne,

Pulu Sun,

Romain Hecquet,

Annick Dubois,

Laurence HibrandSaint Oyant,

Frédéric Jullien,

Florence Nicolè,

Olivier Raymond,

Stéphanie Huguet,

Raymonde Baltenweck,

Sophie Meyer,

Patricia Claudel,

Julien Jeauffre,

Michel Rohmer,

Fabrice Foucher,

Philippe Hugueney,

Mohammed Bendahmane,

Sylvie Baudino

Publication year - 2015

Publication title -

science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 12.556

H-Index - 1186

eISSN - 1095-9203

pISSN - 0036-8075

DOI - 10.1126/science.aab0696

Subject(s) - monoterpene , geraniol , biosynthesis , terpene , plastid , biochemistry , chemistry , botany , terpenoid , biology , essential oil , enzyme , gene , chloroplast

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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