Archive des articles :: scientist-publications

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01/05/2014 18:53

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Nouvelles acquisitions sur le caractère poivré des vins rouges

01/05/2014 00:00

Olivier Geffroy, Thierry Dufourcq, Dorian Carcenac, Tracey Siebert, Markus Herderich and Eric Serrano Résumé: La rotundone (Figure 1) est un composé aromatique très odorant responsable d’intenses notes poivrées dans les vins. Elle a été mise en évidence pour la première fois en 2008 dans les...

Transcriptional regulators of legume-rhizobia symbiosis: Nuclear Factors Ys and GRAS are two for tango

15/04/2014 00:00

Carolina Rípodas, Joaquín Clua, Marina Battaglia, Maël Baudin, Andreas Niebel, María Eugenia Zanetti and Flavio Blanco Résumé: Transcription factors are DNA binding proteins that regulate gene expression. The nitrogen fixing symbiosis established between legume plants and soil bacteria is a...

CYP77A19 and CYP77A20 characterized from Solanum tuberosum oxidize fatty acids in vitro and partially restore the wild phenotype in an Arabidopsis thaliana cutin mutant

09/04/2014 00:00

Grausem B, Widemann E, Verdier G, Nosbüsch D, Aubert Y, Beisson F, Schreiber L, Franke R, Pinot F. Résumé: Cutin and suberin represent lipophilic polymers forming plant/environment interfaces in leaves and roots. Despite recent progress in Arabidopsis, there is still a lack on information...

Exploring Picea glauca aquaporins in the context of needle water uptake and xylem refilling

07/04/2014 00:00

Joan Laur and Uwe G. Hacke Résumé: Conifer needles have been reported to absorb water under certain conditions. Radial water movement across needle tissues is likely influenced by aquaporin (AQP) water channels. Foliar water uptake and AQP localization in Picea glauca needles were...

Molecular analysis reveals high compartmentalization in aphid–primary parasitoid networks and low parasitoid sharing between crop and noncrop habitats

26/03/2014 00:00

Stephane A. P. Derocles, Anne Le Ralec, Mathilde M. Besson, Marion Maret, Alan Walton, Darren M. Evans and Manuel Plantegenest Résumé: The ecosystem service of insect pest regulation by natural enemies, such as primary parasitoids, may be enhanced by the presence of uncultivated,...

E3 ubiquitin-ligases and their target proteins during the regulation of plant innate immunity

13/02/2014 00:00

Vincent Duplan and Susana Rivas Résumé: Reversible protein ubiquitination plays a crucial role during the regulation of plant immune signaling. E3 ubiquitin (Ub)-ligase enzymes, which are classified into different families depending on their structural and functional features, confer the...

Uptake of Water via Branches Helps Timberline Conifers Refill Embolized Xylem in Late Winter

12/02/2014 00:00

Stefan Mayr, Peter Schmid, Joan Laur, Sabine Rosner, Katline Charra-Vaskou, Birgit Dämon and Uwe G. Hacke Résumé: Xylem embolism is a limiting factor for woody species worldwide. Conifers at the alpine timberline are exposed to drought and freeze-thaw stress during winter, which induce...

CYCLOPS, A DNA-Binding Transcriptional Activator, Orchestrates Symbiotic Root Nodule Development

12/02/2014 00:00

Sylvia Singh, Katja Katzer, Jayne Lambert, Marion Cerri and Martin Parniske Résumé: Nuclear calcium oscillations are a hallmark of symbiotically stimulated plant root cells. Activation of the central nuclear decoder, calcium- and calmodulin-dependent kinase (CCaMK), triggers the entire...

Expansion of banana (Musa acuminata) gene families involved in ethylene biosynthesis and signalling after lineage‐specific whole‐genome duplications

07/02/2014 00:00

Cyril Jourda, Céline Cardi, Didier MBéguié-A-Mbéguié, Stéphanie Bocs, Olivier Garsmeur, Angélique D'Hont, Nabila Yahiaoui Résumé: Whole-genome duplications (WGDs) are widespread in plants, and three lineage-specific WGDs occurred in the banana (Musa acuminata) genome. Here, we...