Philippe JEAN-PIERRE

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/2008
• Auteurs : Pierre AbadJerome GouzyJean-Marc AuryPhilippe Castagnone-SerenoEtienne G.J. DanchinEmeline DeleuryLaetitia Perfus-BarbeochVéronique AnthouardFrançois ArtiguenaveVivian C. BlokMarie-Cécile CaillaudPedro M CoutinhoCorinne Da SilvaFrancesca de LucaFlorence DeauMagali EsquibetTimothée FlutreJared V. GoldstoneNoureddine HamamouchTarek HeweziOlivier JaillonClaire JubinPaola LeonettiMarc MaglianoTom R. MaierGabriel V. MarkovPaul McveighGraziano PesoleJulie PoulainMarc Robinson-RechaviErika SalletBéatrice SegurensDelphine SteinbachTom TytgatEdgardo UgarteCyril van GhelderPasqua VeronicoThomas J. BaumMark BlaxterTeresa Bleve-ZacheoEric L. DavisJ.J. EwbankBruno FaveryEric GrenierBernard HenrissatJohn T. JonesVincent LaudetAaron G. MauleHadi QuesnevilleMarie-Noëlle RossoThomas SchiexGeert SmantJean WeissenbachPatrick Wincker
• Organismes : Interactions Biotiques et Santé Végétale Laboratoire des interactions plantes micro-organismes Génomique métabolique Laboratoire de Bioinformatique pour la Génomique et la Biodiversité Interactions Biotiques et Santé Végétale Interactions Biotiques et Santé Végétale Interactions Biotiques et Santé Végétale Interactions plantes-microorganismes et santé végétale Genoscope - Centre national de séquençage [Evry] Genoscope - Centre national de séquençage [Evry] Scottish Crop Research Institute Interactions Biotiques et Santé Végétale Architecture et fonction des macromolécules biologiques Génomique métabolique Laboratoire de Bioinformatique pour la Génomique et la Biodiversité Istituto per la Protezione delle Piante Interactions Biotiques et Santé Végétale Biologie des organismes et des populations appliquées à la protection des plantes Unité de Recherche Génomique Info Biology Department Department of Plant Pathology Department of Plant Pathology Génomique métabolique Génomique métabolique Istituto per la Protezione delle Piante Interactions Biotiques et Santé Végétale Department of Plant Pathology School of Biological Sciences Dipartimento di Biochimica e Biologia moleculare Genoscope - Centre national de séquençage [Evry] Department of Ecology and Evolution Laboratoire des interactions plantes micro-organismes Genoscope - Centre national de séquençage [Evry] Unité de Recherche Génomique Info Laboratory of Nematology Genoscope - Centre national de séquençage [Evry] Interactions Biotiques et Santé Végétale Istituto per la Protezione delle Piante Department of Plant Pathology Institute of Evolutionary Biology Istituto per la Protezione delle Piante North Carolina State University [Raleigh] Centre d'Immunologie de Marseille - Luminy Interactions Biotiques et Santé Végétale Biologie des organismes et des populations appliquées à la protection des plantes Centre National de la Recherche Scientifique Scottish Crop Research Institute Université Claude Bernard Lyon 1 School of Biolgical Sciences Unité de Recherche Génomique Info Interactions Biotiques et Santé Végétale Unité de Biométrie et Intelligence Artificielle (ancêtre de MIAT) Wageningen University and Research [Wageningen] Génomique métabolique Génomique métabolique
• Publié dans Nature Biotechnology le 29/10/2020

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Résumé : Plant-parasitic nematodes are major agricultural pests worldwide and novel approaches to control them are sorely needed. We report the draft genome sequence of the root-knot nematode Meloidogyne incognita, a biotrophic parasite of many crops, including tomato, cotton and coffee. Most of the assembled sequence of this asexually reproducing nematode, totaling 86 Mb, exists in pairs of homologous but divergent segments. This suggests that ancient allelic regions in M. incognita are evolving toward effective haploidy, permitting new mechanisms of adaptation. The number and diversity of plant cell wall-degrading enzymes in M. incognita is unprecedented in any animal for which a genome sequence is available, and may derive from multiple horizontal gene transfers from bacterial sources. Our results provide insights into the adaptations required by metazoans to successfully parasitize immunocompetent plants, and open the way for discovering new antiparasitic strategies

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• Type de publi. : Ouvrage (y compris édition critique et traduction)
• Date de publi. : 01/01/2008
• Auteurs : Philippe BourdeauJean-Pierre AugustinLoïc Ravenel
• Organismes : Pacte, Laboratoire de sciences sociales

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Résumé : L'empreinte du sport dans l'espace géographique, son rôle économique, la place qu'il tient dans l'organisation des sociétés et les représentations qu'elles se font d'elles-mêmes contrastent avec la relative faiblesse des études qui lui sont consacrées. Les sciences humaines et sociales ont pris quelques retards à analyser ces émergences sportives, même si les apports des recherches en histoire, économie et sociologie sont aujourd'hui manifestes. Dans ce jeu, la géographie et l'aménagement prennent une large part dans la mesure où leurs approches rappelant que les pratiques sportives ne s'expliquent pas seulement par des processus et des coûts, mais aussi par leur inscription dans des lieux et des territoires. C'est dans cette perspective qu'une géographie des sports en France s'impose, afin de mettre en recherche et en mouvement les territoires des pratiques sportives. De même, à l'ère des cultures monde véhiculées par les médias et les firmes multinationales, il est utile d'approfondir la connaissance des cultures sportives en France où se réorganisent des pratiques identitaires particulières et où se développent d'autres usages ludiques qui offrent des formes de territorialisation susceptibles de résister aux effets uniformisants de la mondialisation.

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/2008
• Auteurs : Pierre-Loïc CornutChristophe ChiquetAlain BronJean-Paul RomanetGérard LinaPierre-Olivier LafontaineYvonne BenitoAndré PechinotCarole BurillonFrancois VandeneschPhilippe DenisNon Renseigné
• Organismes : Department of Ophtalmology Department of Ophtalmology Service d'Ophtalmologie (CHU de Dijon) Department of Ophtalmology Immunité infection vaccination Laboratoire de Bactériologie Service d'Ophtalmologie (CHU de Dijon) Immunité infection vaccination Laboratoire de Bactériologie Laboratoire de Microbiologie Médicale et Moléculaire Biomatériaux et remodelages matriciels Immunité infection vaccination Laboratoire de Bactériologie Service de Physiologie Digestive, Urinaire, Respiratoire et de l'Exercice [CHU Rouen]
• Publié dans Journal of Glaucoma le 01/11/2020

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Résumé : PURPOSE: To report the clinical presentation and outcome of delayed-onset endophthalmitis caused by Moraxella species and to evaluate the eubacterial polymerase chain reaction (PCR) in aqueous humor samples for the microbiologic diagnosis. PATIENTS AND METHODS: Seven patients with bleb-related delayed onset-endophthalmitis caused by Moraxella were included in a prospective multicenter study (FRIENDS group, 2004 to 2005). Eubacterial PCR followed by direct sequencing and conventional cultures were carried out on aqueous humor samples taken before the first intravitreal antibiotic injection and on vitreous samples taken during pars plana vitrectomy. RESULTS: All cases were postoperative (5 after filtering surgery and 2 inadvertent filtering blebs). The mean delay of onset of endophthalmitis was 41.3 months+/-30.4 (SD) (range, 2.4 to 84.8) after surgery. Initial visual acuity was limited to light perception for 3 patients, hand motions for 2 patients, count fingers for 1 patient, and 20/125 for 1 patient. Functional recovery was variable with final visual acuity ranging from no light perception to 20/25. The eubacterial PCR carried out on aqueous humor provided microbiologic identification in all cases, whereas the cultures were negative in 6 of 7 cases. The eubacterial PCR performed on vitreous samples of 3 vitrectomized patients, after 2 intravitreal injections of antibiotics, identified Moraxella in 2 patients, whereas cultures were negative in all cases. CONCLUSIONS: Delayed-onset endophthalmitis caused by Moraxella occurs predominantly after a bleb-related infection. PCR is a more sensitive technique for the microbiologic diagnosis in this context than conventional culture.

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/2008
• Auteurs : Jean Philippe PernotBianca FalcidienoFranca GianniniJean-Claude Léon
• Organismes : Laboratoire des Sciences de l'Information et des Systèmes : Ingénierie Numérique des Systèmes Mécaniques Istituto di Matematica Applicata e Tecnologie Informatiche Istituto di Matematica Applicata e Tecnologie Informatiche Système d’Information, conception RobustE des Produits Virtual environments for animation and image synthesis of natural objects
• Publié dans Computers in Industry le 30/10/2020

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Résumé : The use of free-form shapes has become mainstream to design complex products that have to fulfil engineering requirements as well as aesthetic criteria. Even if today’s CAD systems can easily represent free-form shapes by means of NURBS surfaces, their definition and modification still require a deep knowledge and a great skill in the manipulation of the underlying mathematical models. The implemented free-form shapes design operators are time consuming and do not enable fast modifications. To overcome these limits, some researches have been undertaken to try to adapt the feature concept, successfully adopted for the design of regular shapes, in the free-form domain. It gives rise to a set of free-form features modelling strategies. This paper gathers together the state-of-the-art of these advances. The various approaches are depicted and compared with respect to a very precise set of criteria expressing the needs in aesthetic and engineering designs. The limits and future trends are presented

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Fichiers liés : LSIS_CII_2008_PERNOT.pdf

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• Type de publi. : Communication dans un congrès
• Date de publi. : 01/01/2008
• Auteurs : M. LebeschuDelphine CapdevielleHélène PeyrièreJacques AttalF. GarciaM. LacambreJean-Philippe BoulengerJean-Pierre BlayacSylvie Hansel Esteller
• Organismes : Dynamique des capacités humaines et des conduites de santé

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• Type de publi. : Ouvrage (y compris édition critique et traduction)
• Date de publi. : 01/01/2008
• Auteurs : Jean-Pierre MagnanRoger CojeanYu-Jun CuiPhilippe Mestat
• Organismes : Centre de Géosciences

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• Type de publi. :
• Date de publi. : 01/01/2008
• Auteurs : Doummar NammourJeannine PizzolChristine PoncetJean-Pierre ZieglerSophie VoisinP. ReynaudN. OlivierB. ParisPascal Maignet
• Organismes : Institut Sophia Agrobiotech Institut Sophia Agrobiotech Institut Sophia Agrobiotech Institut Sophia Agrobiotech Institut Sophia Agrobiotech Laboratoire National de Protection des Végétaux Chambre d'Agriculture des Alpes Maritimes Chambre d'Agriculture des Alpes Maritimes Biotop

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Résumé : Thrips have become major pests in rose greenhouses of southern France and Integrated Pest Management (IPM) programs do not provide reliable control in summer. This study was undertaken in 2006, on 2 three rose cultivars ('Aubade', 'Miss Paris' and 'Sayonara'), in two 130 M greenhouses at the CREAT experimental station (Nice, Alpes Maritimes, France). The predatory mite Neoseiulus cucumeris (Oudemans) [Acarina: Phytoseiidae], currently the beneficial most widely used against these pests, is of limited efficiency where temperatures are high and thrips infestation severe. We therefore supplemented the use of N. cucumeris with another predator, Franklinothrips vespiformis (Crawford) [Thysanoptera: Aeolothripidae]. Thrips were sampled using a rose shaking method to assess their population dynamics. Seven different species of thrips were identified in the samples. Thrips tabaci Lindeman and Frankliniella occidentalis Pergande were the most abundant. Two different species belonging to the Aeolothrips genus were also present. The combined use of F. vespiformis and N. cucumeris during the period of high thrips infestation in the greenhouse gave a better result than the use of N. cucumeris alone.

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/2008
• Auteurs : Abdessalem AbbassiOlivier BonroyJean-Philippe Gervais
• Organismes : Université Laval [Québec] Laboratoire d'Economie Appliquée = Grenoble Applied Economics Laboratory Université Laval [Québec]
• Publié dans Canadian Journal of Agricultural Economics / Revue canadienne d'agroeconomie le 27/10/2020

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Résumé : Supply management in Canada is facing broad trade liberalization pressures. This paper uses a spatial equilibrium trade model to simulate the impacts of various trade liberalization scenarios in the Canadian dairy industry. The results critically hinge on the relationship between increased market access and the market sharing quota (MSQ) at the farm level. Two different MSQ decision rules are simulated: (i) global output at the farm level remains unchanged following liberalization; and (ii) the MSQ is reduced to support the unit production quota rent at its preliberalization level. The results show that if the MSQ is held constant following a potential compromise in the Doha Round, retail prices of fluid milk and cheese would decrease by about 5%. These price movements can be negated by a 1.4% cut in the global MSQ at the farm level. Net welfare gains in the Canadian dairy sector following market access reforms range between $48.2 and $64.2 million when evaluated at the 2003–04 world prices.

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/2008
• Auteurs : Laurence DrouilhetAmélie PaillissonMartine BontouxEric JeanpierreS. MazerbourgPhilippe Monget
• Organismes : Physiologie de la reproduction et des comportements [Nouzilly] Physiologie de la reproduction et des comportements [Nouzilly] Physiologie de la reproduction et des comportements [Nouzilly] Physiologie de la reproduction et des comportements [Nouzilly] Université de Lorraine Physiologie de la reproduction et des comportements [Nouzilly]
• Publié dans Molecular Reproduction and Development le 31/10/2020

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Résumé : During folliculogenesis, oocytes accumulate maternal mRNAs in preparation for the first steps of early embryogenesis. The processing of oocyte mRNAs is ensured by heterogeneous nuclear ribonucleoproteins (hnRNPs) genes that encode RNA binding proteins implied in mRNA biogenesis, translation, alternative splicing, nuclear exportation, and degradation. In the present work, by combining phylogenetic analyses and, when available, in silico expression data, we have identified three new oocyte-expressed genes encoding RNA binding proteins by using two strategies. Firstly, we have identified mouse orthologs of the Car1 gene, known to be involved in regulation of germ cell apoptosis in C. elegans, and of the Squid gene, required for the establishment of anteroposterior polarity in the Drosophila oocyte. Secondly, we have identified, among genes whose ESTs are highly represented in oocyte libraries, a paralog of Poly(A) binding protein-Interacting Protein 2 (Paip2) gene, known to inhibit the interaction of the Poly(A)-Binding Protein with Poly(A) tails of mRNAs. For all of these genes, the expression in oocyte was verified by in situ hybridization. Overall, this work underlines the efficiency of in silico methodologies to identify new genes involved in biological processes such as oogenesis. Mol. Reprod. Dev. 75: 1691-1700, 2008. (c) 2008 Wiley-Liss, Inc.

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/2008
• Auteurs : Jean Louis ChimMathieu CastexDominique PhamPierre BrunPierrette LemaireNelly WabetePhilippe SchmidelyCatherine Mariojouls
• Organismes : Délégation Ifremer de Nouvelle-Calédonie Délégation Ifremer de Nouvelle-Calédonie Délégation Ifremer de Nouvelle-Calédonie Délégation Ifremer de Nouvelle-Calédonie Délégation Ifremer de Nouvelle-Calédonie Délégation Ifremer de Nouvelle-Calédonie Physiologie de la Nutrition et Alimentation Sciences pour l'Action et le Développement : Activités, Produits, Territoires
• Publié dans Aquaculture le 01/11/2020

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Résumé : The New Caledonia blue shrimp Litopenaeus stylirostris is commercially produced under semi-intensive rearing conditions. The size of the farming earthen ponds (5?10 ha) and the subsequent production constraints make it difficult to use them as experimental units for random experiments. Moreover, since every pond has its own characteristics, ponds' effects cannot be ruled out, thus making it hard to define true replicates. In order to design future experiments under conditions resembling those used in production, we evaluated the possible use of floating cages as experimental units with the aim of assessing treatment effects with a reasonable statistical power. To this end, two sets of floating cages were placed respectively in two different ponds in a commercial farm. In both cases the zootechnical conditions in the cages were similar in post-larvae origin, management, and diet and feeding regime. The aim of the study was to evaluate on a technical basis the possibility of rearing shrimps in floating cages set up in earthen ponds and to assess this method from a statistical standpoint. Shrimps reared in and outside the cages showed comparable growth and survival rates. The variability in the zootechnical parameters between cages, expressed as the estimated coefficient of variation (CV) for survival rate, total final biomass (g), final body weight (g), daily increment in body weight (g day− 1) and FCR were 11.0, 13.7, 4.4, 5.4, and 7.0%, respectively. On the basis of these figures, we calculated for a given statistical power (80%) the number of replicates (cages) that would be required to reveal significant differences between two treatments, at a 5% level of significance. We found that for expected differences of 20% from the control mean, 3 and 6 floating cages per treatment would be reasonable to determine statistical differences for growth parameters and survival rate, respectively. Moreover, we showed a significant pond effect in regard to survival and growth between the two sets of cages. These results illustrated the within-farm variability among the ponds, and confirmed that the specific characteristics of each pond from the same farm make it difficult to use the ponds themselves as experimental units. The study demonstrates that rearing in floating cages is an economical, powerful and sensitive experimental tool for shrimp culture studies specifically carried out under conditions close to semi-intensive production.

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