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dc.contributor.author
Barrozo, Romina
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dc.contributor.author
Jarriault, David
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dc.contributor.author
Simeone, Xenia
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dc.contributor.author
Gaertner, Cyril
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dc.contributor.author
Gadenne, Christophe
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dc.contributor.author
Anton, Sylvia
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dc.date.available
2017-05-16T20:22:21Z
dc.date.issued
2010-01
dc.identifier.citation
Barrozo, Romina; Jarriault, David; Simeone, Xenia; Gaertner, Cyril; Gadenne, Christophe; et al.; Mating-induced transient inhibition of responses to sex pheromone in a male moth is not mediated by octopamine or serotonin; Company Of Biologists; Journal Of Experimental Biology; 213; 1-2010; 1100-1106
dc.identifier.issn
0022-0949
dc.identifier.uri
http://hdl.handle.net/11336/16557
dc.description.abstract
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 newly mated males after injection of OA or 5-HT, but only OA treatment affected certain response characteristics of AL neurons in virgin males. Whereas all measured AL neuron response characteristics were different between virgin and newly mated males, amine treatment in newly mated males restored only the latency and spike frequency, but not the duration of excitatory and inhibitory phases, which were initially found in virgin males. Additionally, we investigated the behavioural effects of OA and 5-HT treatments in virgin and mated males. Although OA and 5-HT enhanced the general flight activity of newly mated males, amine treatments did not restore the behavioural pheromone response of mated moths. Altogether, these results show that, although biogenic amines modulate the olfactory system in moths, OA and 5-HT are probably not involved in the post-mating inhibition of responses to sex pheromone in A. ipsilon males.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Company Of Biologists
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Olfatory Coding
dc.subject
Antennal Lobe
dc.subject
Sex Pheromone
dc.subject
Projection Neuron
dc.subject.classification
Otros Tópicos Biológicos
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Mating-induced transient inhibition of responses to sex pheromone in a male moth is not mediated by octopamine or serotonin
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-05-11T20:58:08Z
dc.identifier.eissn
1477-9145
dc.journal.volume
213
dc.journal.pagination
1100-1106
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Cambridge
dc.description.fil
Fil: Barrozo, Romina. Institut National de la Recherche Agronomique; Francia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Jarriault, David. Institut National de la Recherche Agronomique; Francia
dc.description.fil
Fil: Simeone, Xenia. Institut National de la Recherche Agronomique; Francia
dc.description.fil
Fil: Gaertner, Cyril. Institut National de la Recherche Agronomique; Francia
dc.description.fil
Fil: Gadenne, Christophe. Institut National de la Recherche Agronomique; Francia
dc.description.fil
Fil: Anton, Sylvia. Institut National de la Recherche Agronomique; Francia
dc.journal.title
Journal Of Experimental Biology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1242/jeb.040139
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://jeb.biologists.org/content/213/7/1100
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