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The polyketide components of waxes and the Cer-cqu gene cluster encoding a novel polyketide synthase, the β-diketone synthase, DKS

Publikation: Bidrag til tidsskriftReviewForskningfagfællebedømt

Dokumenter

The primary function of the outermost, lipophilic layer of plant aerial surfaces, called the cuticle, is preventing non-stomatal water loss. Its exterior surface is often decorated with wax crystals, imparting a blue-grey color. Identification of the barley Cer-c, -q and -u genes forming the 101 kb Cer-cqu gene cluster encoding a novel polyketide synthase-the β-diketone synthase (DKS), a lipase/carboxyl transferase, and a P450 hydroxylase, respectively, establishes a new, major pathway for the synthesis of plant waxes. The major product is a β-diketone (14,16-hentriacontane) aliphatic that forms long, thin crystalline tubes. A pathway branch leads to the formation of esterified alkan-2-ols.

OriginalsprogEngelsk
Artikelnummer28
TidsskriftPlants
Vol/bind6
Udgave nummer3
Antal sider18
ISSN2223-7747
DOI
StatusUdgivet - sep. 2017

Bibliografisk note

Special issue: the plant cuticle

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