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Registros recuperados: 16
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A use-dependent sodium current modification induced by type I pyrethroid insecticides in honeybee antennal olfactory receptor neurons Inra
Kadala, A.; Charreton, M.; Jacob, I.; Le Conte, Y.; Collet, C..
We studied the mode of action of type I pyrethroids on the voltage-dependent sodium current from honeybee olfactory receptor neurons (ORNs), whose proper function in antenna is crucial for interindividual communication in this species. Under voltage-clamp, tetramethrin and permethrin induce a long lasting TTX-sensitive tail current upon repolarization, which is the hallmark of an abnormal prolongation of the open channel configuration. Permethrin and tetramethrin also slow down the sodium current fast inactivation. Tetramethrin and permethrin both bind to the closed state of the channel as suggested by the presence of an obvious tail current after the first single depolarization applied in the presence of either compounds. Moreover, at first sight,...
Tipo: Journal Article Palavras-chave: ABEILLE DOMESTIQUE; SENSILLE ANTENNAIRE; NEURONE A RECEPTEUR OLFACTIF; NEURONE SENSORIEL; ELECTROPHYSIOLOGIE; PERMETHRINE; TETRAMETHRINE; PYRETHRINOIDE; COURANT IONIQUE; SANTE; MODE ACTION; CANAL SODIUM; MODIFICATION ETAT-DEPENDANTE APIS MELLIFERA; APIDAE; APIFORMES; HYMENOPTERA.
Ano: 2011 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD201176512ee0&uri=/notices/prodinra1/2011/05/
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Asymmetrical generalisation between pheromonal and floral odours in appetitive olfactory conditioning of the honey bee (Apis mellifera L.) Inra
Sandoz, J.C.; Pham-Delègue, M.H.; Renou, M.; Wadhams, L.J..
The capacity to generalise between similar but not identical olfactory stimuli is crucial for honey bees, allowing them to find rewarding food sources with varying volatile emissions. We studied bees' generalisation behaviour with odours having different biological values: typical floral odours or alarm compounds. Bees' behavioural and peripheral electrophysiological responses were investigated using a combined proboscis extension response conditioning-electroantennogram assay. Bees were conditioned to pure linalool (floral) or to pure isoamyl acetate (alarm) and were tested with different concentrations of both compounds. Electrophysiological responses were not influenced by conditioning, suggesting that the learning of individual compounds does not rely...
Tipo: Journal Article Palavras-chave: APIS MELLIFERA; ODEUR; HYMENOPTERA; INSECTE SOCIAL; APPRENTISSAGE ANIMAL; ELECTROPHYSIOLOGIE;   OLFACTORY LEARNING; GENERALISATION; ELECTROANTENNOGRAM; PROBOSCIS EXTENSION RESPONSE CONDITIONNING; ALARM PHEROMONES.
Ano: 2001 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB0300012579095253&uri=/notices/prodinra1/2010/11/
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Basolateral monosodium glutamate induce a closure of channels in some rat taste bud cells Inra
Vandenbeuch, A.; Faurion, A.; Trotier, D..
Tipo: Conference Paper Palavras-chave: GOUT; ELECTROPHYSIOLOGIE; LANGUE; PAPILLE GUSTATIVE GLUTAMATE; TASTE BUD CELL.
Ano: 2006 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD200712af4048&uri=/notices/prodinra1/2008/09/
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Characterization of an antennal carboxylesterase from the pest moth Spodoptera littoralis degrading a host plant odorant Inra
Durand, N.; Carot-Sans, G.; Chertemps, T.; Bozzolan, F.; Party, V.; Renou, M.; Debernard, S.; Rosell, G.; Maïbèche-Coisne, M..
Background: Carboxyl/cholinesterases (CCEs) are highly diversified in insects. These enzymes have a broad range of proposed functions, in neuro/developmental processes, dietary detoxification, insecticide resistance or hormone/ pheromone degradation. As few functional data are available on purified or recombinant CCEs, the physiological role of most of these enzymes is unknown. Concerning their role in olfaction, only two CCEs able to metabolize sex pheromones have been functionally characterized in insects. These enzymes are only expressed in the male antennae, and secreted into the lumen of the pheromone-sensitive sensilla. CCEs able to hydrolyze other odorants than sex pheromones, such as plant volatiles, have not been identified. Methodology: In...
Tipo: Journal Article Palavras-chave: LEPIDOPTERA; NOCTUIDAE; HEXAPODA; PCR; ADNC; SDS PAGE; EXPRESSION DES GENES; ELECTROPHORESE; CARBOXYLESTERASE; SPODOPTERA LITTORALIS; OLFACTION; ODEEUR; PLANTE HOTE; INSECTE; ENZYME; BIOLOGIE MOLECULAIRE; BIOCHIMIE; ELECTROPHYSIOLOGIE; PHEROMONE; PHEROMONE SEXUELLE; RECOMBINAISON; PROTEINE.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010229c7cd1&uri=/notices/prodinra1/2011/05/
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Differences in sex pheromone communication systems of closely related species : Spodoptera latifascia (Walker) and S. descoinsi Lalanne-Cassou and Silvain (Lepidoptera : Noctuidae) Inra
Monti, L.; Lalanne-Cassou, B.; Lucas, P.; Malosse, C.; Silvain, J.F..
S. latifascia and S. descoinsi are closely related species that occur sympatrically over limited areas in French Guiana. We examined allopatric populations, S. latifascia originating from Barbados and S. descoinsi from French Guiana. Studies on nocturnal activity cycles showed temporal partitioning of female calling behavior, male sexual activity, and mating behavior.S. descoinsi were sexually active in the first half of the scotophase whereas S. latifascia were sexually active in the second half. Seven compounds (Z9–14: Ac,Z9,E12–14: Ac,Z11–16: Ac,E9,E12–14: Ac,Z9–14: Ald,Z9,E11–14: Ac andZ11–14: Ac) were identified in females of both S. latifascia and S. descoinsi extracts.Z9–14: Ac was a main pheromone component for the two species. The major difference...
Tipo: Journal Article Palavras-chave: SPODOPTERA; LEPIDOPTERE; NOCTUIDAE; ACTIVITE SEXUELLE; ATTRACTION SEXUELLE; ISOLATION; PHEROMONE SEXUELLE; RYTHME D'ACTIVITE; ELECTROPHYSIOLOGIE; REPRODUCTION LEPIDOPTERA; NOCTUIDAE; SPODOPTERA LATIFASCIA; SPODOPTERA DESCOINSI; PHEROMONES; (Z)-9-TETRADECENYL ACETATE; (Z E)-9 12-TETRADECADIENYL ACETATE; SEXUAL ACTIVITY RHYTHMS; CROSS-ATTRACTION; ELECTROPHYSIOLOGY; REPRODUCTIVE ISOLATION.
Ano: 1995 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB9600002138054208&uri=/notices/prodinra1/2010/11/
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Effect of queen pheromone on worker bees of different ages: behavioural and electrophysiological responses Inra
Pham-Delegue, M.H.; Trouiller, J.; Caillaud, C.M.; Roger, B.; Masson, C..
Tipo: Journal Article Palavras-chave: APIS MELLIFERA; APIDAE; HYMENOPTERA; PHEROMONE ROYALE; COMPORTEMENT DE COUR; OLFACTOMETRE; ELECTROPHYSIOLOGIE; ATTRACTIVITE.
Ano: 1993 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB9300025114033670&uri=/notices/prodinra1/2009/12/
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Electrophysiological recordings of electrical activity and responses to stimulants from Globodera rostochiensis and Syngamus trachea IRD
Jones, J.T.; Perry, R.N.; Johnston, M.R.L..
Tipo: Text Palavras-chave: NEMATODE; PHYSIOLOGIE; ETUDE EXPERIMENTALE; ELECTROPHYSIOLOGIE; STIMULANT.
Ano: 1991 URL: http://www.documentation.ird.fr/hor/fdi:34716
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Etude électrophysiologique des laticifères d'Hevea brasiliensis : effet du glucose et du saccharose IRD
Monestier, M.; Cornel, D.; Lacrotte, R.; Chrestin, Hervé; Bousquet, V.; Auzac, J. d'; Rhona, J.P..
Tipo: Text Palavras-chave: PHYSIOLOGIE VEGETALE; LATEX; METABOLISME; ETUDE EXPERIMENTALE; GLUCOSE; SACCHAROSE; ELECTROPHYSIOLOGIE.
Ano: 1989 URL: http://www.documentation.ird.fr/hor/fdi:010009148
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Le bistramide A, toxine de Lissoclinum bistratum Sluiter (Urochordés) : état actuel des études IRD
Verbist, J.F.; Gouiffes-Barbin, D.; Roussakis, C.; Welin, L.; Reveillere, H.P.; Hénichart, J.P.; Moreau, S.; Laurent, Dominique; Debitus, Cécile; Saurat, M.P.; Diacono, J.; Monniot, F..
Tipo: Text Palavras-chave: SUBSTANCE NATURELLE; INVERTEBRE AQUATIQUE; ACTIVITE BIOLOGIQUE; CYTOLOGIE; PHARMACOLOGIE; UROCHORDE; TOXINE; BISTRAMIDE A; ELECTROPHYSIOLOGIE.
Ano: 1989 URL: http://www.documentation.ird.fr/hor/fdi:34303
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Le traitement de l'information gustative au niveau de la langue. Effets du glutamate Inra
Vandenbeuch, A..
Ce travail vise à mieux comprendre la mise en forme du message gustatif à la périphérie avant la transmission vers le système nerveux central. Des techniques d’enregistrements électrophysiologiques ont permis l’étude des différents maillons de la chaîne gustative depuis le nerf gustatif (corde du tympan) jusqu’aux cellules sensorielles du bourgeon du goût. L’implication du glutamate, qui suscite la sensation umami chez l’homme et qui est un neurotransmetteur dans le système nerveux central, est plus particulièrement observé dans ce système. Ses effets physiologiques sont observés au niveau du pôle apical et basolatéral des bourgeons du goût. L’utilisation d’agonistes et d’antagonistes spécifiques des récepteurs au glutamate a permis d’identifier des...
Tipo: Thesis Palavras-chave: GUSTATION; GLUTAMATE; ELECTROPHYSIOLOGIE; Goût; Cellule sensorielle; Systeme nerveux central; Corde du tympan; Nerf gustatif; Neurotransmetteur.
Ano: 2006 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20079564d3b8&uri=/notices/prodinra1/2007/11/
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Les acétoxy-1 tétradécène-11 Z et 11 E (Z 11 TDA et E 11 TDA), constituants de la phéromone sexuelle de Argyrotaenia pulchellana (Haw.) (Lepid., Tortricinae, Archipini) Inra
Frerot, B.; Renou, M.; Descoins, C.; Gallois, M..
Des pièges sexuels appâtés avec des formulations binaires d’acétoxy-1 tétradécènes - 11 Z et - 11 E (Z 11-TDA et E 11-TDA) se révèlent attractifs pour les mâles de Argyrotaenia pulchellana (Haw.) lorsque ces deux composés sont utilisés dans les proportions de 90 p. 100 et de 10 p. 100 respectivement. Le Z 11-TDA et le E 11-TDA sont perçus de préférence aux autres acétates mono-éthyléniques en C 14 par les antennes des mâles et sont présents dans la glande à phéromone des femelles, mais dans des proportions légèrement différentes (80 p. 100, 20 p. 100). Des capsules, chargées à 1 000 pg d’un mélange 90/10 de Z 11/E 11 TDA ont permis de suivre depuis 2 ans les vols de cette tordeuse en vergers de pommiers et sont actuellement commercialisées pour...
Tipo: Journal Article Palavras-chave: MILIEU D'ELEVAGE; ANALYSE CHIMIQUE; ELECTROPHYSIOLOGIE; PHEROMONE SEXUELLE; PIEGEAGE; LEPIDOPTERA; TORTRICINAE.
Ano: 1984 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20089b27a3fd&uri=/notices/prodinra1/2008/09/
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Molecular basis of female-specific odorant responses in Bombyx mori Inra
Anderson, A.R.; Wanner, K.W.; Trowell, S.C.; Warr, C.G.; Jacquin-Joly, E.; Zagatti, P.; Robertson, H.; Newcomb, R.D..
Males and females of many moth species exhibit important differences in sexual behaviours. Much research in this field has focused on the male-specific behaviour, electrophysiology and molecular biology of sex pheromone reception. Female-specific behaviours have been less well studied although, like male-specific behaviours, they could provide opportunities for intervention and management of lepidopteran pests. Previously, we identified genes encoding putative odorant receptors (ORs) from the genome of the silkworm, Bombyx mori, some of which have higher levels of steady-state transcript in the antennae of adult females compared with males. We have identified the full-length cDNA sequences of some of these ORs and described a novel OR that is part of a...
Tipo: Journal Article Palavras-chave: TERPENE; ACIDE BENZOIQUE; PHENYLETHANOL; BENZALDEHYDE; ELECTROPHYSIOLOGIE; SEQUENCE NUCLEOTIDIQUE; ODEUR; HYPOTHENEMUS HAMPEI; ARTHROPODA; HEXAPODA; INSECTE; RECEPTEUR; PLANTE; COMPOSE VOLATILE; COMPORTEMENT SEXUEL; ATTRACTIF SEXUEL; ADNC; BIOLOGIE MOLECULAIRE; LEPIDOPTERA BOMBYX MORI; OLFACTION; ODORANT RECEPTORS; PLANT VOLATILES; PHEROMONE.
Ano: 2009 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20101ffb559b&uri=/notices/prodinra1/2010/11/
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Plant K-in and K-out channels: Approaching the trait of opposite rectification by analyzing more than 250 KAT1-SKOR chimeras Inra
Poree, F.; Wulfetange, K.; Naso, A.; Carpaneto, A.; Roller, A.; Natura, G.; Bertl, A.; Sentenac, H.; Thibaud, J.B.; Dreyer, I..
Members of the Shaker-like plant K+ channel family share a common structure, but are highly diverse in their function: they behave as either hyperpolarization-activated inward-rectifying (Kin) channels, or leak-like (Kweak) channels, or depolarization-activated outward-rectifying (Kout) channels. Here we created 256 chimeras between the Kin channel KAT1 and the Kout channel SKOR. The chimeras were screened in a potassium-uptake deficient yeast strain to identify those, which mediate potassium inward currents, i.e., which are functionally equivalent to KAT1. This strategy allowed us to identify three chimeras which differ from KAT1 in three parts of the polypeptide: the cytosolic N-terminus, the cytosolic C-terminus, and the putative voltage-sensor S4....
Tipo: Journal Article Palavras-chave: CANAL POTASSIQUE; ELECTROPHYSIOLOGIE; CHIMERE POTASSIUM CHANNEL; RECTIFICATION; YEAST COMPLEMENTATION; CHIMERA; SITE-DIRECTED MUTAGENESIS; SKOR CHANNEL.
Ano: 2005 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2007ea55af23&uri=/notices/prodinra1/2007/02/
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Sex pheromone of the pine sawfly Gilpinia pallida: chemical identification, synthesis and biological activity Inra
Hedenström, E.; Edlund, H.; Wassgren, A.B.; Bergström, G.; Anderbrant, O.; Östrand, F.; Sierpinski, A.; Auger-Rozenberg, M.A.; Herz, A.; Heitland, W.; Varama, M..
We present the identification of the sex pheromone in the pine sawfly, Gilpinia pallida, including analysis of the female pheromone content, male antennal response and attraction in the field, and synthesis of the most active pheromone component. Several 3,7-dimethyl-2-alkanols were identified from female whole-body extracts, including some compounds with a 2R configuration. This is the first observation of such compounds in a pine sawfly species. Antennae of male G. pallida responded strongly in electroantennograph (EAG) recordings to the (2S,3R,7R)-isomers of the propionates of 3,7-dimethyl-2-tridecanol, 3,7-dimethyl-2-tetradecanol, and 3,7-dimethyl-2-pentadecanol, as well as to the acetates of the tri- and pentadecanols (the acetate of the tetradecanol...
Tipo: Journal Article Palavras-chave: HYMENOPTERE; DIPRION; DEFOLIATEUR; PHEROMONE SEXUELLE; IDENTIFICATION BIOCHIMIQUE; ELECTROPHYSIOLOGIE; SPECTROMETRIE DE MASSE; CHROMATOGRAPHIE EN PHASE GAZEUZE GILPINIA PALLIDA.
Ano: 2006 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20076186cd24&uri=/notices/prodinra1/2010/11/
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Stochastic model neuron without resetting of dendritic potential : application to the olfactory system Inra
Rospars, J.P.; Lansky, P..
A two-dimensional neuronal model, in which the membrane potential of the dendrite evolves independently from that at the trigger zone of the axon, is proposed and studied. In classical one-dimensional neuronal models the dendritic and axonal potentials cannot be distinguished, and thus they are reset to resting level after firing of an action potential, whereas in the present model the dendritic potential is not reset. The trigger zone is modelled by a simplified leaky integrator (RC circuit) and the dendritic compartment can be described by any of the classical one-dimensional neuronal models. The new model simulates observed features of the firing dynamics which are not displayed by classical models, namely positive correlation between interspike...
Tipo: Journal Article Palavras-chave: MODELE STOCHASTIQUE; MODELE A DEUX DIMENSIONS; POTENTIEL DE MEMBRANE; SYSTEME OLFACTIF; NEURONE; ANALYSE SPECTRALE; ELECTROPHYSIOLOGIE.
Ano: 1993 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB9400009943038340&uri=/notices/prodinra1/2010/11/
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The baculovirus/insect cell system as an alternative to Xenopus oocytes. First characterization of the AKT1 K+ channel from Arabidopsis thaliana Inra
Gaymard, F.; Cerutti, M.; Horeau, C.; Lemaillet, G.; Urbach, S.; Ravallec, M.; Devauchelle, G.; Sentenac, H.; Thibaud, J.B..
Tipo: Journal Article Palavras-chave: OOCYTE; XENOPUS; ELECTROPHYSIOLOGIE; PLANTE MODELE; ARABIDOPSIS THALIANA; EXPRESSION DES GENES; CONDUCTIVITE ELECTRIQUE.
Ano: 1996 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB9900008549078397&uri=/notices/prodinra1/2010/09/
Registros recuperados: 16
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