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Registros recuperados: 4
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Arabidopsis plants acclimate to water deficit at low cost through changes of carbon usage: an integrated perspective using growth, metabolite, enzyme, and gene expression analysis Inra
Hummel, I.; Pantin, F.; Sulpice, R.; Piques, M.; Rolland, G.; Dauzat, M.; Christophe, A.; Pervent, M.; Bouteillé, M.; Stitt, M.; Gibon, Y.; Muller, B..
Growth and carbon (C) fluxes are severely altered in plants exposed to soil water deficit. Correspondingly, it has been suggested that plants under water deficit suffer from C shortage. In this study, we test this hypothesis in Arabidopsis (Arabidopsis thaliana) by providing an overview of the responses of growth, C balance, metabolites, enzymes of the central metabolism, and a set of sugar-responsive genes to a sustained soil water deficit. The results show that under drought, rosette relative expansion rate is decreased more than photosynthesis, leading to a more positive C balance, while root growth is promoted. Several soluble metabolites accumulate in response to soil water deficit, with K+ and organic acids as the main contributors to osmotic...
Tipo: Journal Article Palavras-chave:  .
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010b164e296&uri=/notices/prodinra1/2010/12/
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Control of leaf expansion: a developmental switch from metabolics to hydraulics Inra
Pantin, F.; Simonneau, T.; Rolland, G.; Dauzat, M.; Muller, B..
Leaf expansion is the central process by which plants colonize space, allowing energy capture and carbon acquisition. Water and carbon emerge as main limiting factors of leaf expansion, but the literature remains controversial about their respective contributions. Here, we tested the hypothesis that the importance of hydraulics and metabolics is organized according to both dark/light fluctuations and leaf ontogeny. For this purpose, we established the developmental pattern of individual leaf expansion during days and nights in the model plant Arabidopsis (Arabidopsis thaliana). Under control conditions, decreases in leaf expansion were observed at night immediately after emergence, when starch reserves were lowest. These nocturnal decreases were strongly...
Tipo: Journal Article Palavras-chave: TURGESCENCE; LUMIERE.
Ano: 2011 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2011995a4e3b&uri=/notices/prodinra1/2011/06/
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Développement d’un système d'information de phénotypage d’Arabidopsis thaliana Inra
Fabre, J.; Tireau, A.; Neveu, P.; Dauzat, M.; Granier, C..
L'évolution de la démarche scientifique dans la plupart des champs d'investigation se traduit par une exigence de haut débit dont on ne peut tirer le meilleur profit sans un effort considérable d’archivage et de mise à disposition des données. Au laboratoire d’écophysiologie des plantes sous stress environnementaux (LEPSE) du centre Inra de Montpellier, le développement récent d’une plate-forme de phénotypage automatisée dédiée à la plante modèle Arabidopsis thaliana, la plate-forme PHENOPSIS, a permis d’augmenter de façon considérable les analyses phénotypiques effectuées sur cette espèce. Dans ce contexte, il est devenu nécessaire de développer une base de données associée à la plate-forme. Le travail présenté ici décrit les choix technologiques et le...
Tipo: Journal Article Palavras-chave: SYSTEME D'INFORMATION; SYSTEME DE GESTION DE BASE DE DONNEES; INTERFACE WEB; PHENOTYPAGE; HAUT-DEBIT; ARABIDOPSIS THALIANA; MYSQL; PHP; HTML; ARCHITECTURE CLIENT/SERVEUR.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20103ace6cad&uri=/notices/prodinra1/2010/12/
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Growth and nitrogen status of young walnuts as affected by intercropped legumes in a Mediterranean climate Inra
Dupraz, C.; Simorte, V.; Dauzat, M.; Bertoni, G.; Bernadac, A.; Masson, P..
Tipo: Journal Article Palavras-chave: ONOBRYCHIS SATIVA; SAINFOIN; TENEUR EN EAU DU SOL; CROISSANCE.
Ano: 1998 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB0300033003095347&uri=/notices/prodinra1/2010/09/
Registros recuperados: 4
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