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13 results on '"Devaux, Celine"'

1. Pembrolizumab with platinum-based chemotherapy with or without epacadostat as first-line treatment for metastatic non-small cell lung cancer: a randomized, partially double-blind, placebo-controlled phase II study

Author

Boyer, Michael, Hui, Rina, Urban, Damien, Clingan, Philip, Su, Wu-Chou, Devaux, Celine, Gadgeel, Shirish, Garassino, Marina, Leopold, Lance, Daniel, Jeannie, Munteanu, Mihaela C., Samkari, Ayman, Luo, Yiwen, and Abreu, Delvys Rodriguez

Published
2024
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6. Transgenerational cues about local mate competition affect offspring sex ratios in the spider mite Tetranychus urticae

Author

Duncan, Alison B., Marinosci, Cassandra, Devaux, Céline, Lefèvre, Sophie, Magalhães, Sara, Griffin, Joanne, Valente, Adeline, Ronce, Ophélie, and Olivieri, Isabelle

Subjects
local mate competition, sex-ratio, sib-mating, haplodiploid, Archaeology, CC1-960, Science
Abstract

In structured populations, competition for mates between closely related males, termed Local Mate Competition (LMC), is expected to select for female-biased offspring sex ratios. However, the cues underlying sex allocation decisions remain poorly studied. Here, we test for several cues in the spider mite Tetranychus urticae, a species that was previously found to adjust the sex ratio of its offspring in response to the number of females within the local population, i.e. a patch. We here investigate whether the offspring sex ratio of T. urticae females changes in response to 1) the current number of females in the same patch, 2) the number of females in the patches of their mothers and 3) their relatedness to their mate. Single females on patches produced similar sex ratios to those of groups of 15 females; their mothers had been in identical conditions of panmixia. The offspring sex ratios of females mated with their brother did not differ from those of females mated with an unrelated male. Females however produced a more female-biased offspring sex ratio if their mothers were alone on a patch compared to 15 other females. Thus, maternal environment is used as a cue for the sex allocation of daughters. We discuss the conditions under which the maternal environment may be a reliable predictor of LMC experienced by grand-sons.

Published
2023
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7. Réponses et adaptations aux changements globaux : quels enjeux pour la recherche sur la biodiversité ? Prospective de recherche

Author

Ronce, Ophélie, Boyen, Catherine, Caillon, Sophie, Charmantier, Anne, Cheptou, Pierre Olivier, Chuine, Isabelle, Cormier-Salem, Marie-Christine, Cuypers, Laetitia, Davi, Hendrik, Devaux, Celine, Devictor, Vincent, Goldringer, Isabelle, Kulbicki, Michel, Labbé, Pierrick, Landrieu, Gilles, Lavorel, Sandra, Leadley, Paul, Lefèvre, Francois, Maris, Virginie, Massu, Natacha, Métaillié, Jean-Paul, Millot, Muriel, Montchamp-Moreau, Catherine, Morin, Xavier, Mouillot, David, Muller, Sara, Pelegrin, Flora, Roques, Alain, Rovillé-Sausse, Françoise, Salles, Jean-Michel, Silvain, Jean-François, Schurr, Frank, Thompson, John, Weill, Mylène, Centre National de la Recherche Scientifique (CNRS), UMR : Mathématiques et Informatique Appliquées, Paris, Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA), Patrimoines Locaux et Gouvernance (PALOC), Institut de Recherche pour le Développement (IRD)-Muséum national d'Histoire naturelle (MNHN), Institut de Recherche pour le Développement (IRD), Fondation pour la Recherche sur la Biodiversité, Ecologie des Forêts Méditerranéennes (URFM), Institut National de la Recherche Agronomique (INRA), Institut des Sciences de l'Evolution de Montpellier (UMR ISEM), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-École pratique des hautes études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Montpellier (UM)-Institut de recherche pour le développement [IRD] : UR226-Centre National de la Recherche Scientifique (CNRS), Génétique Quantitative et Evolution - Le Moulon (Génétique Végétale) (GQE-Le Moulon), Centre National de la Recherche Scientifique (CNRS)-AgroParisTech-Université Paris-Sud - Paris 11 (UP11)-Institut National de la Recherche Agronomique (INRA), Ecologie marine tropicale des océans Pacifique et Indien (ENTROPIE [Perpignan]), Université Montpellier 2 - Sciences et Techniques (UM2), Parcs Nationaux de France, Université Paris-Sud - Paris 11 (UP11), Groupement d’Intérêt Public 'Ecosystèmes Forestiers' (GIP ECOFOR), Ministère de l’écologie, de l’énergie, du développement durable et de la mer, programme Eaux et Territoires, Ministère de l'Ecologie, du Développement Durable et de l'Energie, Université de Strasbourg (UNISTRA), Unité de recherche Zoologie Forestière (URZF), Évolution, génomes, comportement et écologie (EGCE), Université Paris-Sud - Paris 11 (UP11)-IRD-Centre National de la Recherche Scientifique (CNRS), Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD), Ecologie des Forêts Méditerranéennes [Avignon] (URFM 629), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-École pratique des hautes études (EPHE)-Université de Montpellier (UM)-Institut de recherche pour le développement [IRD] : UR226-Centre National de la Recherche Scientifique (CNRS), Institut National de la Recherche Agronomique (INRA)-Université Paris-Sud - Paris 11 (UP11)-AgroParisTech-Centre National de la Recherche Scientifique (CNRS), Unité de recherche Zoologie Forestière (UZF), École pratique des hautes études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Montpellier (UM)-Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Centre National de la Recherche Scientifique (CNRS)-Institut de recherche pour le développement [IRD] : UR226, Centre National de la Recherche Scientifique (CNRS)-IRD-Université Paris-Sud - Paris 11 (UP11), Mathématiques et Informatique Appliquées (MIA-Paris), Institut National de la Recherche Agronomique (INRA)-AgroParisTech, and Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-École Pratique des Hautes Études (EPHE)

Subjects
[SDE.MCG]Environmental Sciences/Global Changes, étude prospective, adaptation des espèces, [SDV.BID]Life Sciences [q-bio]/Biodiversity, relation homme biosphère, biodiversité, politique environnementale, environmental policy, [SHS.ENVIR]Humanities and Social Sciences/Environmental studies, changement global, changement d'ecosystème, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, Milieux et Changements globaux, analyse de risque
Abstract

Réponses et adaptations aux changements globaux : quels enjeux pour la recherche sur la biodiversité ? Prospective de recherche.

Published
2015

8. Environmental and landscape effects on cross-pollination rates observed at long distance among French oilseed rape Brassica napus commercial fields

Author

Devaux, Celine, Klein, Etienne K., Lavigne, Claire, Sausse, C., Messean, Antoine, Ecologie Systématique et Evolution (ESE), Université Paris-Sud - Paris 11 (UP11)-AgroParisTech-Centre National de la Recherche Scientifique (CNRS), Centre Technique Interprofessionnel des Oléagineux Métropolitains (CETIOM), Biostatistique et Processus Spatiaux (BioSP), Institut National de la Recherche Agronomique (INRA), Unité de recherche Plantes et Systèmes de Culture Horticoles (PSH), and Unité Impacts Ecologiques des Innovations en Production Végétale (ECO-INNOV)

Subjects
[SDV.EE]Life Sciences [q-bio]/Ecology, environment, EMPIRICAL POLLEN DISPERSAL MODELS, HERBICIDE RESISTANT CULTIVAR, UP-SCALING, LANDSCAPE SCALE, COLZA, CROSS-POLLINATION RATE, POLLEN DISPERSAL MODEL, EXTRAPOLATIONS
Abstract

International audience; 1. Evaluation of our ability to predict cross-pollination rates (CPR) at long distance using dispersal functions estimated in experimental set-ups differing by either their scale or their environmental conditions is crucial to establish appropriate management rules following the release of genetically modified (GM) crops. 2. From 1998 to 2004 we measured oilseed rape CPR in commercial fields for 44 donor-recipient couples separated by 220 up to 2000 m, from up to three different pollen donor cultivars in two French oilseed rape production areas. We followed the same sampling and screening designs and tested the effect of region, year, size, cultivar and distance on the observed CPR. 3. We then compared observed CPR to predictions from six empirical pollen dispersal models based on dispersal kernels that were fitted previously at the local and landscape scales. These predictions allowed us to test the possibility to extrapolate and up-scale dispersal kernels. 4. The observed CPR varied from 0% to 0·092%. They were higher in Champagne-Ardennes, where they depended negatively on distance, than in Bourgogne where they did not depend on distance. CPR also differed among years, being nil for the last 3 successive years, partly because of different environmental conditions and detection issues. CPR depended further on the source cultivars due to differences in pollen production. Dispersal kernels fitted at the local scale lead to systematic and huge underestimation of CPR, when observed. The power-law kernel fitted at the landscape scale under-estimated CPR by two orders of magnitude above 400 m but followed the rate of decrease of the observed pollination with distance. 5. Synthesis and applications . Caution should be taken when extrapolating and up-scaling dispersal kernels and models because predictions may differ greatly from observations. Models should rely at least upon dispersal kernels estimated from landscape-scale data obtained in different regions. Models should also integrate several phenomena at the agro-ecosystem scale including the dispersal by insects and become more mechanistic to account for variations observed among years, environments and distance to borders.

Published
2008

9. Dispersion à longue distance des propagules (pollens, graines, spores): approches empiriques et statistiques

Author

Klein, Etienne K., Chadoeuf, Joel, Soubeyrand, Samuel, Devaux, Celine, Lavigne, Claire, Austerlitz, Frédéric, Oddou, Sylvie, Lefèvre, Francois, Pichot, Christian, Biostatistique et Processus Spatiaux (BioSP), Institut National de la Recherche Agronomique (INRA), Ecologie Systématique et Evolution (ESE), Université Paris-Sud - Paris 11 (UP11)-AgroParisTech-Centre National de la Recherche Scientifique (CNRS), and Unité de Recherches Forestières Méditerranéennes (URFM)

Subjects
arbre forestier, erica, analyse statistique, maïs, plante céréaliere, REPARTITION SPATIALE, [SDV]Life Sciences [q-bio], cèdre, flux de gènes, BRUYERE, SORBUS, résineux, COLZA, brassica napus var oleifera, zea mays, cedrus, [INFO]Computer Science [cs], [MATH]Mathematics [math], ComputingMilieux_MISCELLANEOUS, analyse spatiale, dispersion des graines
Abstract

National audience

Published
2005

10. A first step for modelling pollen dispersal at the landscape level: determining the shape of dispersal functions at long-distance. The case of oilseed rape

Author

Devaux, Celine, Klein, Etienne K., Lavigne, Claire, Ecologie Systématique et Evolution (ESE), Université Paris-Sud - Paris 11 (UP11)-AgroParisTech-Centre National de la Recherche Scientifique (CNRS), Biostatistique et Processus Spatiaux (BioSP), and Institut National de la Recherche Agronomique (INRA)

Subjects
dispersion du pollen, pollution génétique, dissémination, [SDV]Life Sciences [q-bio], flux de gènes, MODELLING, ogm, plante oléagineuse, POLLEN DISPERSAL, GENE FLOW, TRANSGEN POLLUTION, COLZA, marqueur moléculaire, ComputingMilieux_MISCELLANEOUS, modélisation
Abstract

International audience

Published
2003

11. Efficient CD4 binding and immunosuppressive properties of the 13B8.2 monoclonal antibody are displayed by its CDR-H1-derived peptide CB1

Author

Bes, C., Briant-Longuet, L., Cerutti, M., DeBerardinis, P., Devauchelle, Gerard, Devaux, Celine, Granier, C., Chardes, T., Biologie Intégrative et Virologie des Insectes [Univ. de Montpellier II] (BIVI), and Institut National de la Recherche Agronomique (INRA)-Université Montpellier 2 - Sciences et Techniques (UM2)

Subjects
[SDV.BC]Life Sciences [q-bio]/Cellular Biology
Abstract

73 ref.

Published
2001

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