|
|
|
| Registros recuperados: 12 | |
|
| |
|
|
| Rochat, D.; Nagnan-le Meillour, P.; Esteban-Duran, J.R.; Malosse, C.; Perthuis, B.; Morin, J.P.; Descoins, C.. |
| Thirteen host-plant kairomone blends, including 28 compounds, were tested and showed moderate to high synergy with rhynchophorol. The blends plus rhynchophorol also attracted the related Dynamis borassi. Ethanol–ethyl acetate blends in various ratios showed moderate synergy. Two blends, including "characteristic coconut" odor molecules, were as efficient as sugarcane in synergizing rhynchophorol and field luring American Palm weevils (APWs). Preliminary olfactometer tests of natural host-plant volatiles demonstrated the role of fermentation in primary APW attraction. The synergists were chosen from a comparative study of the odors emitted by four plant materials attractive to the APW: sugarcane, coconut, Jacaratia digitata tree and Elaeis guineensis (Oil... |
| Tipo: Journal Article |
Palavras-chave: PALMIER; RHYNCHOPHORUS PALMARUM; ATTRACTIF SEXUEL; KAIROMONE; PIEGEAGE DES ANIMAUX; CHROMATOGRAPHIE EN PHASE GAZEUSE; COLEOPTERE; CURCULIONIDAE COLEOPTERA; CURCULIONIDAE; RHYNCHOPHORUS; PLANT KAIROMONE; PHEROMONE SYNERGIST; VOLATILE COLLECTION; GC-MS; EAG; OLFACTOMETRY; FIELD TRAPPING. |
| Ano: 2000 |
URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB0100002984085307&uri=/notices/prodinra1/2010/11/ |
| |
|
|
| Barrozo, R.; Jarriault, D.; Simeone, X.; Gaertner, C.; Gadenne, C.; Anton, S.. |
| In the male moth, Agrotis ipsilon, mating induces a transient inhibition of behavioural and central nervous responses to sex pheromone. Newly mated males are not attracted to sex pheromone, and the sensitivity of their antennal lobe (AL) neurons is lower than in virgin males. This rapid transient olfactory inhibition prevents them from re-mating unsuccessfully until they have refilled their sex glands. We hypothesized that this olfactory ‘switch off’ might be controlled by neuromodulators such as biogenic amines. To test our hypothesis, we studied the effects of octopamine (OA) and serotonin (5-hydroxytryptamine, 5-HT) on the coding properties of pheromone-sensitive AL neurons in virgin and newly mated males. We show that AL neuron sensitivity increased in... |
| Tipo: Journal Article |
Palavras-chave: AGROTIS IPSILON; INSECTE; MITE; OLFACTION; ODEUR; LOBE ANTENNALE; PHEROMONE SEXUELLE; ATTRACTIF SEXUEL; SEROTONINE; PLASTICITE; SYSTEME NERVEUX CENTRAL; NEURONE; RECEPTEUR; OCTOPAMINE; NOCTUIDAE; LEPIDOPTERA OLFACTORY CODING; MOTH; ANTENNAL LOBE; SEX PHEROMONE; PROJECTION NEURON; MATING; OCTOPAMINE; SEROTONIN; PLASTICITY. |
| Ano: 2010 |
URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010e7ad9fc3&uri=/notices/prodinra1/2010/09/ |
| |
|
|
| 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/ |
| |
|
| |
|
|
| Einhorn, J.; Menassieu, P.; Michelot, D.; Riom, J.. |
| Une phéromone sexuelle attractive, l’acétoxy-1 hexadécen -13 (Z) yne- 11, a été identifiée récemment chez la femelle vierge de Thaumetopoea pityocampa Schiff. Dans la présente étude, l’attractivité sur le terrain de ce composé est démontrée et comparée à celle de l’isomère E. Par ailleurs, des effets de dose, de hauteur et de bordure sont mis en évidence dans le but d’une optimisation du piégeage. Enfin, les premières comparaisons entre piégeage sexuel et piégeage lumineux sont réalisées sur plusieurs sites du réseau de surveillance par pièges lumineux du Sud-Ouest de la France |
| Tipo: Journal Article |
Palavras-chave: PIEGEAGE; ATTRACTIF SEXUEL; PHEROMONE SEXUELLE; PHEROMONE DE SYNTHESE; PROCESSIONNAIRE DU PIN; THAUMETOPOEA PITYOCAMPA; LEPIDOPTERA; NOTODONTIDAE. |
| Ano: 1983 |
URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB8700069006658&uri=/notices/prodinra1/2008/08/ |
| |
|
|
| Party, V.; Hanot, C.; Said, I.; Rochat, D.; Renou, M.. |
| In moths, the components of the female pheromone blend are detected in the male antennae by pheromone olfactory receptor neurons (Ph-ORNs) expressing narrowly tuned olfactory receptors. Responses to sex pheromones have generally been thought to be independent from the odorant background. However, interactions between pheromone components and plant volatiles have been reported at behavioral and detection levels. To document the mechanisms of such interactions, we analyzed Ph-ORN responses of Spodoptera littoralis to the main pheromone component, Z9E11-14:Ac, in the presence of 4 monoterpenes. To mimic natural contexts in which plant odors and pheromone emanate from different sources, the 2 stimuli were presented with different temporal patterns and from... |
| Tipo: Journal Article |
Palavras-chave: SPODOPTERA LITTORALIS; NOCTUIDAE; ARTHROPODA; HEXAPODA; INSECTE; LEPIDOPTERA; PLANTE; COMPOSE VOLATILE; MITE; MONOTERPENE; PHEROMONE; ATTRACTIF SEXUEL; ODEUR ODORANT INTERACTIONS; OLFACTION; OLFACTORY RECEPTOR NEURONS; PLANT VOLATILE COMPOUNDS. |
| Ano: 2009 |
URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010e254489a&uri=/notices/prodinra1/2010/10/ |
| |
|
|
| Jarriault, D.; Gadenne, C.; Rospars, J.P.; Anton, S.. |
| To find a mating partner, moths rely on pheromone communication. Released in very low amounts, female sex pheromones are used by males to identify and localize females. Depending on the physiological state (i.e. age, reproductive state), the olfactory system of the males of the noctuid moth Agrotis ipsilon is `switched on or off'. To understand the neural basis of this behavioural plasticity, we performed a detailed characterization of the qualitative, quantitative and temporal aspects of pheromone coding in the primary centre of integration of pheromonal information, the macroglomerular complex (MGC) of the antennal lobe. MGC neurons were intracellularly recorded and stained in sexually mature virgin males. When stimulating antennae of males with the... |
| Tipo: Journal Article |
Palavras-chave: AGROTIS IPSILON; ARTHROPODA; HEXAPODA; INSECTE; PHEROMONE; MITE; PLASTICITE; ATTRACTIF SEXUEL; NEURONE; OLFACTION; LOBE ANTENNAIRE OLFACTORY CODING; MOTH; ANTENNAL LOBE; SEX-PHEROMONE; PROJECTION NEURON; SPIKE TRAIN ANALYSIS. |
| Ano: 2009 |
URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010352d8cb4&uri=/notices/prodinra1/2010/10/ |
| |
|
|
| Barrozo, R.; Gadenne, C.; Anton, S.. |
| In the moth, Agrotis ipsilon, newly mated males cease to be attracted to the female-produced sex pheromone, preventing them from re-mating until the next night, by which time they would have refilled their reproductive glands for a potential new ejaculate. The behavioural plasticity is accompanied by a decrease in neuron sensitivity within the primary olfactory centre, the antennal lobe (AL). However, it was not clear whether the lack of the sexually guided behaviour results from the absence of sex pheromone detection in the ALs, or if they ignore it in spite of detection, or if the sex pheromone itself inhibits attraction behaviour after mating. To test these hypotheses, we performed behavioural tests and intracellular recordings of AL neurons to... |
| Tipo: Journal Article |
Palavras-chave: AGROTIS IPSILON; NOCTUIDAE; LEPIDOPTERA; INSECTE; ATTRACTIF SEXUEL; PHEROMONE SEXUELLE; MITE; ODEUR; PLANTE; NEURONE; PHYSIOLOGIE SENSORIELLE; LOBE ANTENNAIRE; PLASTICITE MOTH; OLFACTION; MATING; SEX PHEROMONE; PLANT ODOUR; PLASTICITY; ANTENNAL LOBE. |
| Ano: 2010 |
URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20107e58cbab&uri=/notices/prodinra1/2010/09/ |
| |
|
|
| Varela, N.; Couton, L.; Gemeno, C.; Avilla, J.; Rospars, J.P.; Anton, S.. |
| The oriental fruit moth Cydia molesta is an important pest and the behavioural role of olfactory signals such as pheromones and plant volatiles have been studied extensively in both sexes. To understand odour processing further, however, detailed knowledge of the anatomy of the olfactory system is crucial. In the present study, an atlas of the antennal lobe (AL) is presented based on the three-dimensional reconstructions of both ALs of three male and three female brains by means of neuroanatomical and computational approaches. We identified 48-49 "ordinary" glomeruli and one large glomerulus situated at the entrance of the antennal nerve in males, and 49-52 "ordinary" glomeruli and one large glomerulus in the ventro-medial part of the AL in females.... |
| Tipo: Journal Article |
Palavras-chave: LOBE ANTENNAIRE; MITE; PHEROMONE; LEPIDOPTERA; TORTRICIDAE; GLOMERULE; INSECTE; COMPORTEMENT ANIMAL; ATTRACTIF SEXUEL; CARTE TRIDIMENSIONNELLE; CARTOGRAPHIE OLFACTION; COMPUTATIONAL NEUROANATOMY; ATLAS; ANTENNAL LOBE; ORIENTAL FRUIT MOTH; CYDIA MOLESTA. |
| Ano: 2009 |
URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010c0e61cd2&uri=/notices/prodinra1/2011/05/ |
| |
|
|
| Jarriault, D.; Gadenne, C.; Lucas, P.; Rospars, J.P.; Anton, S.. |
| How information is transformed along synaptic processing stages is critically important to understand the neural basis of behavior in any sensory system. In moths, males rely on sex pheromone to find their mating partner. It is essential for a male to recognize the components present in a pheromone blend, their ratio, and the temporal pattern of the signal. To examine pheromone processing mechanisms at different levels of the olfactory pathway, we performed single-cell recordings of olfactory receptor neurons (ORNs) in the antenna and intracellular recordings of central neurons in the macroglomerular complex (MGC) of the antennal lobe of sexually mature Agrotis ipsilon male moths, using the same pheromone stimuli, stimulation protocol, and response... |
| Tipo: Journal Article |
Palavras-chave: AGROTIS IPSILON; LEPIDOPTERA; NOCTUIDAE; NEURONE; RECEPTEUR; OLFACTION; MITE; INSECTE; ARTHROPODA; HEXAPODA; NOCTUIDAE; LOBE ANTENNAIRE; ATTRACTIF SEXUEL; STIMILUS INTRACELLULAR RECORDING; MACROGLOMERULAR COMPLEX; MGC NEURON; OLFACTORY CODING; OLFACTORY RECEPTOR NEURON; SINGLE SENSILLUM RECORDING. |
| Ano: 2010 |
URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20105ff8856a&uri=/notices/prodinra1/2010/11/ |
| |
|
| |
| Registros recuperados: 12 | |
|
|
|
