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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Isolation and functional characterization of a τ-cadinol synthase, a new sesquiterpene synthase from Lavandula angustifolia
Plant Molecular Biology, Volume 84, No. 1-2, Year 2014
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Description
In this paper we characterize three sTPSs: a germacrene D (LaGERDS), a (E)-β-caryophyllene (LaCARS) and a τ-cadinol synthase (LaCADS). τ-cadinol synthase is reported here for the first time and its activity was studied in several biological models including transiently or stably transformed tobacco species. Three dimensional structure models of LaCADS and Ocimum basilicum γ-cadinene synthase were built by homology modeling using the template structure of Gossypium arboreum δ-cadinene synthase. The depiction of their active site organization provides evidence of the global influence of the enzymes on the formation of τ-cadinol: instead of a unique amino-acid, the electrostatic properties and solvent accessibility of the whole active site in LaCADS may explain the stabilization of the cadinyl cation intermediate. Quantitative PCR performed from leaves and inflorescences showed two patterns of expression. LaGERDS and LaCARS were mainly expressed during early stages of flower development and, at these stages, transcript levels paralleled the accumulation of the corresponding terpene products (germacrene D and (E)-β-caryophyllene). By contrast, the expression level of LaCADS was constant in leaves and flowers. Phylogenetic analysis provided informative results on potential duplication process leading to sTPS diversification in lavender. © 2013 Springer Science+Business Media Dordrecht.
Authors & Co-Authors
Jullien, Frédéric
France, Lyon
Université de Lyon
France, Saint-etienne
Université Jean Monnet Saint Etienne
France, Saint-etienne
Laboratoire de Biotechnologies Végétales Appliquées Aux Plantes Aromatiques et Médicinales
Moja, Sandrine
France, Lyon
Université de Lyon
France, Saint-etienne
Université Jean Monnet Saint Etienne
France, Saint-etienne
Laboratoire de Biotechnologies Végétales Appliquées Aux Plantes Aromatiques et Médicinales
Bony, Aurélie
France, Lyon
Université de Lyon
France, Saint-etienne
Université Jean Monnet Saint Etienne
France, Saint-etienne
Laboratoire de Biotechnologies Végétales Appliquées Aux Plantes Aromatiques et Médicinales
Legrand, Sylvain
France, Lyon
Université de Lyon
France, Lille
Université de Lille
Petit, Cécile
France, Lyon
Université de Lyon
France, Saint-etienne
Université Jean Monnet Saint Etienne
France, Saint-etienne
Laboratoire de Biotechnologies Végétales Appliquées Aux Plantes Aromatiques et Médicinales
Benabdelkader, Tarek
France, Lyon
Université de Lyon
Algeria, Algiers
Ministere de L'enseignement Superieure et de la Recerche Scientifique
Poirot, Kévin
France, Lyon
Université de Lyon
Fiorucci, Sébastien
France, Nice
Institut de Chimie de Nice
Guitton, Yann
France, Villeneuve-d'ascq
Institut Charles Viollette
Nicolè, Florence
France, Lyon
Université de Lyon
France, Saint-etienne
Université Jean Monnet Saint Etienne
France, Saint-etienne
Laboratoire de Biotechnologies Végétales Appliquées Aux Plantes Aromatiques et Médicinales
Baudino, Sylvie
France, Lyon
Université de Lyon
France, Saint-etienne
Université Jean Monnet Saint Etienne
France, Saint-etienne
Laboratoire de Biotechnologies Végétales Appliquées Aux Plantes Aromatiques et Médicinales
Magnard, Jean Louis
France, Lyon
Université de Lyon
France, Saint-etienne
Université Jean Monnet Saint Etienne
France, Saint-etienne
Laboratoire de Biotechnologies Végétales Appliquées Aux Plantes Aromatiques et Médicinales
Statistics
Citations: 12
Authors: 12
Affiliations: 7
Identifiers
Doi:
10.1007/s11103-013-0131-3
ISSN:
01674412
Research Areas
Substance Abuse
Study Approach
Quantitative