Archive des articles :: scientist-publications

A Member of the PLEIOTROPIC DRUG RESISTANCE Family of ATP Binding Cassette Transporters Is Required for the Formation of a Functional Cuticle in Arabidopsis

01/05/2011 00:00

Michael Bessire, Sandra Borel, Guillaume Fabre, Luis Carraça, Nadia Efremova, Alexander Yephremov, Yan Cao, Reinhard Jetter, Anne-Claude Jacquat, Jean-Pierre Métraux and Christiane Nawrath Résumé: Although the multilayered structure of the plant cuticle was discovered many years ago, the...

Nitric oxide production is not required for dihydrosphingosine-induced

01/05/2011 00:00

Daniel Da Silva, Christophe Lachaud, Valérie Cotelle, Christian Brière, Sabine Grat, Christian Mazars and Patrice Thuleau Résumé: Sphinganine or dihydrosphingosine (d18:0, DHS), one of the most abundant free sphingoid Long Chain Base (LCB) in plants, is known to induce a calcium dependent...

L'acétyltransférase PopP2 de Ralstonia solanacearum cible Pip3, un régulateur négatif de la résistance basale chez Arabidopsis thaliana

15/04/2011 00:00

Céline Tasset Résumé: Les bactéries phytopathogènes produisent des facteurs de virulence appelés effecteurs de type III qui sont injectés dans leurs cellules hôtes dans le but de moduler les défenses et fournir à l'agent pathogène un environnement favorable. L'effecteur PopP2 de la bactérie...

Characterization of a cinnamoyl-CoA reductase 1 (CCR1) mutant in maize: effects on lignification, fibre development, and global gene expression

14/04/2011 00:00

Barek Tamasloukht, Mary Sarah-Jane Wong Quai Lam, Yves Martinez, Koffi Tozo, Odile Barbier, Cyril Jourda, Alain Jauneau, Gisèle Borderies, Sandrine Balzergue, Jean-Pierre Renou, Stéphanie Huguet, Jean Pierre Martinant, Christophe Tatout, Catherine Lapierre, Yves Barrière, Deborah Goffner, Magalie...

Involvement of RD20, a member of caleosin family, in ABA-mediated regulation of germination in Arabidopsis thaliana

01/04/2011 00:00

Yann Aubert, Louis-Jérome Leba, Cécilia Cheval, Benoit Ranty, Alain Vavasseur, Didier Aldon and Jean-Philippe Galaud Résumé: The RD20 gene encodes a member of the caleosin family, which is primarily known to function in the mobilization of seed storage lipids during germination. In contrast...

Etude de composés à intérêts technologique et fonctionnel dans la bière

28/03/2011 00:00

Céline Leitao Résumé: L’objectif de ce travail était de développer une boisson maltée originale qui se différencierait des produits existants sur le marché par ses propriétés organoleptiques, notamment par son aspect incolore ou l’ajout de couleurs vives et par la mise en évidence de ses...

Effects of processing steps on the phenolic content and antioxidant activity of beer

21/01/2011 00:00

Leitao C, Marchioni E, Bergaentzlé M, Zhao M, Didierjean L, Taidi B, Ennahar S. Résumé: A new analytical method (liquid chromatography−antioxidant, LC-AOx) was used that is intended to separate beer polyphenols and to determine the potential antioxidant activity of these constituents after...

Phospholipases in action during plant defense signaling

13/01/2011 00:00

Joanne Canonne, Solène Froidure-nicolas and Susana Rivas Résumé: Eukaryotic organisms rely on intricate signaling networks to connect recognition of microbes with the activation of efficient defense reactions. Accumulating evidence indicates that phospholipids are more than mere structural...

Dihydrosphingosine-Induced Programmed Cell Death in Tobacco BY-2 Cells Is Independent of H2O2 Production

03/01/2011 00:00

Christophe Lachaud, Daniel Da Silva, Nicolas Amelot, Chloé Béziat, Christian Brière, Valérie Cotelle, Annick Graziana, Sabine Grat, Christian Mazars and Patrice Thuleau Résumé: Sphinganine or dihydrosphingosine (d18:0, DHS), one of the most abundant free sphingoid Long Chain Base (LCB) in...

Detection and functional characterization of a 215 amino acid N-terminal extension in the Xanthomonas type III effector XopD

22/12/2010 00:00

Joanne Canonne, Daniel Marino, Laurent D. Noël, Ignacio Arechaga, Carole Pichereaux, Michel Rossignol, Dominique Roby and Susana Rivas Résumé: During evolution, pathogens have developed a variety of strategies to suppress plant-triggered immunity and promote successful infection. In...