Philippe JEAN-PIERRE

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• Type de publi. : Communication dans un congrès
• Date de publi. : 01/01/2002
• Auteurs : Nicolas A TurpinPhilippe BontemsG. RotillonI. BarlundM. KaljonenS. TattariF. FeichtingerP. StraussR. HaverkampM. GarnierAntonio Lo PortoG. BenigniA. LeoneM.N. RipaO.M. EkloE. RomstadPierre BordenaveThierry BioteauFrançois BirgandR. LaplanaJean-Marie LescotLaurent Piet
• Organismes : Gestion environnementale et traitement biologique des déchets Institut National de la Recherche Agronomique Université Paris Nanterre SYKE HELSINKI FIN IKT VIENNE AUT Laboratoire d'étude des transferts en hydrologie et environnement IRSA BARI ITA Università degli studi della Tuscia = Tuscia University [Viterbo] Norwegian Crop Research Institute AGRICULTURAL UNIVERSITY OF NORWAY AAS NOR Aménités et dynamiques des espaces ruraux

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Résumé : This project aims at providing planners with a grid which would allow a comparison between Best Management Practices (BMPs) in terms of environmental efficiency, economic cost and potential acceptability by farmers. A comparison between different existing or simulated BMPs (Best Management Practices) has been carried out through a cost/effectiveness assessment along with the study of their acceptability by farmers on seven European watersheds in a multidisciplinary framework which includes eleven research teams. Effectivity has been assessed as the evolution of water quality resulting from BMPs' implementation in experimental watersheds. Particular efforts is being carried out to improve BMPs representation in hydrological models, as they can take various forms from landscape structures modifications to agronomic recommendations. Spatial modelling, at various scales, is used to define critical areas where efforts should be concentrated. For costs, efforts concern the evaluation of both direct and indirect costs induced by BMPs implementation. When studying diffuse pollution, individual contributions and de-pollution costs were not known and had to be assessed. Direct costs are estimated through the definition of contract menus in a Principal/Agent modelling framework, or, depending on the available data, with linearly optimised profit functions. Indirect costs have been considered as being the impact of BMPs on all other branches of the economy and were evaluated by using a general equilibrium model. A cost/effectiveness ratio was calculated for each studied BMP, allowing a comparison of possible alternatives. Unfortunately farmers tend not to apply BMPs as would be desirable. Possible explanations include their poor commitment to environmental improvements and their practice of insufficiently implementing BMPs. Extensive interviews have been carried out to account for the social dimension of farmers' decision making process. In addition, complementary interviews with land managers helped defining practices already implemented and problems that have already been encountered. This work aims at defining new negociative implementation methods which will be evaluated in a demonstration project involving both local land managers and farmers.

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/2002
• Auteurs : Jérôme HarmandF. MiensThierry ContePascal GrasPierre BuffièreJean-Philippe Steyer
• Organismes : Laboratoire de Biotechnologie de l'Environnement [Narbonne] Laboratoire de Biotechnologie de l'Environnement [Narbonne] Laboratoire de Biotechnologie de l'Environnement [Narbonne] Laboratoire de Biotechnologie de l'Environnement [Narbonne] Laboratoire de Biotechnologie de l'Environnement [Narbonne] Laboratoire de Biotechnologie de l'Environnement [Narbonne]
• Publié dans Water Science and Technology le 26/10/2020

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• Type de publi. : Communication dans un congrès
• Date de publi. : 01/01/2002
• Auteurs : Jean-Paul BanquetPhilippe GaussierMathias QuoyArnaud RevelYves Burnod
• Organismes : Plasticité cérébrale et adaptations des fonctions visuelles et motrices Equipes Traitement de l'Information et Systèmes Equipes Traitement de l'Information et Systèmes Equipes Traitement de l'Information et Systèmes Réseau National des Systèmes Complexes

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Résumé : A biologically inspired integrated model of different hippocampal subsystems makes a distinction between place cells (PC) within the entorhinal cortex (EC) (diffuse) or dentate gyrus (segregated), and transition cells (TC) in CA3-CA1 that encode transitions between events. These two types of codes support two kinds of hippocampo-cortical cognitive maps: a context-independent map in the subiculum and EC essentially encodes the spatial layout of the environment thanks to a local dominance of ideothetic movement-related information over allothetic (visual) information, and a task- and temporal context-dependent map based on the TC in CA3-CA1 allows the encoding, in higher-order structures, of maps as graphs resulting from combinations of learned sequences of events. The dominantly spatial and the temporal-task-dependent maps are permanently stored in the parietal cortex and the pre-frontal cortex respectively. On the basis of these two maps, two distinct goal-oriented navigation strategies were designed in experimental robotic paradigms: one based on a (population) vector code of the location-actions pairs to learn and implement to reach the goal, and the other based on linking TC together as conditioning chains that are implemented under the top-down guidance of drives and motivations

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/2002
• Auteurs : Thierry DantoinePierre MarquetLouis MerleGérard LachâtrePhilippe SauvageJean-Pierre Charmes
• Organismes : Handicap, Activité, Vieillissement, Autonomie, Environnement Pharmacologie des Immunosuppresseurs et de la Transplantation Equipe de Recherche Médicale Appliquée Service de Pharmacologie, toxicologie et pharmacovigilance [CHU Limoges] Soins de Suite de Réadaptation Gériatrique [CHU Limoges]
• Publié dans La revue de gériatrie [1976 - ...] le 24/02/2020

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• Type de publi. : Chapître d'ouvrage
• Date de publi. : 01/01/2002
• Auteurs : Philippe BarralJean-Paul GuillaumetPierre Nouvel
• Organismes : Laboratoire Chrono-environnement (UMR 6249) Archéologies, Cultures et Sociétés Laboratoire Chrono-environnement (UMR 6249)

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Fichiers liés : Guillaumet_2002_Barral_Nouvel.pdf

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/2002
• Auteurs : Eric ChassefièreJean-Jacques BerthelierJean-Loup BertauxEric QuémeraisJean-Pierre PommereauPascal RannouFrançois RaulinPatrice CollDavid CosciaA. JambonPhilippe SardaJ. C. SabrouxG. VitterA. Le PichonB. LandeauPhilippe LognonnéY. CohenSébastien VergnoleG. HulotM. MandéaJ.-F. PineauBruno BézardHorst Uwe KellerDmitry V. TitovD. BreuerK. SzegoCs. FerenczMaarten Roos-SeroteOleg KorablevV. LinkinRafael RodrigoFrederic W. TaylorA.-M. Harri
• Organismes : Laboratoire de Météorologie Dynamique (UMR 8539) Centre d'étude des environnements terrestre et planétaires Service d'aéronomie Service d'aéronomie Service d'aéronomie Service d'aéronomie Laboratoire Interuniversitaire des Systèmes Atmosphériques Laboratoire Interuniversitaire des Systèmes Atmosphériques Laboratoire Interuniversitaire des Systèmes Atmosphériques Laboratoire Magie Université Paris-Sud - Paris 11 Institut de Protection et Sûreté Nucléaire Laboratoire d'Electrochimie et de Physico-chimie des Matériaux et des Interfaces Commissariat à l'énergie atomique et aux énergies alternatives Commissariat à l'énergie atomique et aux énergies alternatives Institut de Physique du Globe de Paris Institut de Physique du Globe de Paris Institut de Physique du Globe de Paris Institut de Physique du Globe de Paris Institut de Physique du Globe de Paris Société ALBEDO Technologies Laboratoire d'études spatiales et d'instrumentation en astrophysique Pôle Planétologie du LESIA Max-Planck-Institut für Aeronomie Max-Planck-Institut für Aeronomie Institut für Planetologie [Münster] Hungarian Academy of Sciences Eötvös Loránd Geophysical Institute Observatório Astronómico de Lisboa Space Research Institute of the Russian Academy of Sciences Space Research Institute of the Russian Academy of Sciences Instituto de Astrofísica de Andalucía = Institute of Astrophysics of Andalusia University of Oxford Finnish Meteorological Institute
• Publié dans Advances in Space Research le 26/10/2020

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Résumé : Lavoisier mission is a joint effort of eight European countries and a technological challenge aimed at investigating the lower atmosphere and the surface of Venus. The mission consists of a descent probe and three balloons to be deployed below the cloud deck. Its main scientific objectives may be summarized as following : (i) composition of the deep atmosphere : noble gas (elemental/isotopic), molecular species (elemental/ isotopic), oxygen fugacity; vertical/horizontal/temporal variability; (ii) infrared spectroscopy and radiometry (molecular composition, radiative transfer); (iii) dynamics of the atmosphere : p, T, acceleration measurements, balloon localization through VLBI, meteorological events signed by acoustic waves, atmospheric mixing as imprinted on radioactive tracers; (iv) surface morphology and mineralogy through near infrared imaging on dayside, surface temperature through NIR imaging on nightside. Additional tentative objectives are search for (a) atmospheric electrical activity (optically, radioelectrically, acoustically), (b) crustal outgassing and/or volcanic activity : acoustic activity, horizontal/vertical distribution of radioactive tracers, (c) seismic activity : acoustic waves transmitted from crust to atmosphere, and (d) remanent and/or intrinsic magnetic field. Lavoisier was proposed to ESA in response to the F2/F3 mission Announcement of Opportunity at the beginning of 2000, but it was not selected for the assessment study. A wide international partnership was created for this occasion, including Finland (FMI), France (IPSL, MAGIE, Université Orsay, IPSN, INPG, CEA, IPGP, Obs. Paris-Meudon), Germany (MPAe, Univ. Muenster), Hungary (KFKI, Univ. Eotvos), Portugal (OAL), Russia (IKI), Spain (IAA), United Kingdom (Univ. Oxford).

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/2002
• Auteurs : Cedric NeveuJean-Philippe SemblatPierre AbadPhilippe Castagnone-Sereno
• Organismes : Unité mixte de recherche interactions plantes-microorganismes et santé végétale Unité mixte de recherche interactions plantes-microorganismes et santé végétale Unité mixte de recherche interactions plantes-microorganismes et santé végétale Unité mixte de recherche interactions plantes-microorganismes et santé végétale
• Publié dans DNA Sequence le 01/11/2020

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Résumé : We report the cloning of a full-length cDNA from the plant-parasitic nematode Meloidogyne incognita, which encodes a putative protein of 1082 amino acids showing high similarity with K-Cl cotransporters (KCCs) from the free-living nematode Caenorhabditis elegans (54% identity) and from a number of mammals, including human. Hydropathy analysis indicates typical KCC topology patterns, with a hydrophylic NH2-terminal region, 12 membrane-spanning domains, and a long COOH-terminal hydrophylic region. Alignment of the nematode sequences with eleven KCC sequences from mammals suggests that the nematode proteins may constitute a separated family of KCCs. The M. incognita gene was shown to be expressed in both motile and sedentary stages, which suggests an important function in general physiology of the nematode. By analogy with known proteins, it is hypothesized that this gene is involved in the regulation of cell osmotic pressure to maintain nematode body fluids hyperosmotic to the environment.

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/2002
• Auteurs : Christelle CeboViviane DurierPhilippe LagantEmmanuel MaesGérard VergotenDoina FloreaTony LefebvreGerard StreckerJean Pierre Zanetta
• Organismes : Unité de Glycobiologie Structurale et Fonctionnelle - UMR 8576 Unité de Glycobiologie Structurale et Fonctionnelle - UMR 8576 Unité de Glycobiologie Structurale et Fonctionnelle - UMR 8576 Unité de Glycobiologie Structurale et Fonctionnelle - UMR 8576 Unité de Glycobiologie Structurale et Fonctionnelle - UMR 8576 Unité de Glycobiologie Structurale et Fonctionnelle - UMR 8576 Unité de Glycobiologie Structurale et Fonctionnelle - UMR 8576 Unité de Glycobiologie Structurale et Fonctionnelle - UMR 8576 Unité de Glycobiologie Structurale et Fonctionnelle - UMR 8576
• Publié dans Journal of Biological Chemistry le 02/11/2020

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Résumé : Interleukin 6 (IL-6) is endowed with a lectin activity for oligosaccharide ligands possessing the HNK-1 epitope (3-sulfated glucuronic acid) found on some mammalian glycoprotein N-glyeans (Cebo, C., Dambrouck, T., Maes, E., Laden, C., Strecker, G., Michalski, J. C., and Zanetta, J. P. (2001) J. Biol. Chem. 276, 56855691). Using high affinity oligosaccharide ligands, it is demonstrated that this lectin activity is responsible for the early dephosphorylation of tyrosine residues found on specific proteins induced by interleukin 6 in human resting lymphocytes. The gp130 glycoprotein, the signal-transducing molecule of the IL-6 pathway, is itself a molecule possessing the HNK-1 epitope. This indicates that IL-6 is a bi-functional molecule able to extracellularly associate its alpha-receptor with the gp130 surface complex. Computational modeling indicates that the lower energy conformers of the high affinity ligands of IL-6 have a common structure. Docking experiments of these conformers suggest that the carbohydrate recognition domain of IL-6 is localized in the domain previously identified as site 3 of IL-6 (Somers, W., Stahl, M., and Seehra, J. S. (1997) EMBO J. 16, 989-997), already known to be involved in interactions with gp130.

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• Type de publi. :
• Date de publi. : 01/01/2002
• Auteurs : Philippe ContamineJean-Pierre Reverseau
• Organismes : Musée de l'Armée, Paris
• Publié dans Cahiers d'Etudes et de recherches du musée de l'Armée (CERMA) le 24/10/2020

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/2002
• Auteurs : Jean-Pierre FarineEtienne SémonClaude EveraertsDehbia Abed-VieillardPhilippe GrandcolasRémy Brossut
• Organismes : Développement et Communication Chimique chez les Insectes Développement et Communication Chimique chez les Insectes Développement et Communication Chimique chez les Insectes Développement et Communication Chimique chez les Insectes
• Publié dans Journal of Chemical Ecology le 01/11/2020

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Résumé : The volatile constituents of the supposed defensive secretions of the glandular pouches of the adults of both sexes of the cockroach Therea petiveriana have been shown to contain N-3-methylbutylacetamide (MBA) and N-3-methylbutylpropanamide (MBP), which represented 60% of the volatile fraction. The other 40% included acidic, aromatic, and aldehydic compounds. Behavioral experiments demonstrated that the secretion acts as an alarm pheromone for adults.

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