Multiphasic On/Off pheromone signaling in moths as neural correlates of a search strategy.
Identifieur interne : 001362 ( Main/Exploration ); précédent : 001361; suivant : 001363Multiphasic On/Off pheromone signaling in moths as neural correlates of a search strategy.
Auteurs : Dominique Martinez [France] ; Antoine Chaffiol [France] ; Nicole Voges [France] ; Y. Gu [France] ; Sylvia Anton [France] ; Jean-Pierre Rospars [France] ; P. Lucas [France]Source :
- PLoS ONE [ 1932-6203 ] ; 2013.
Abstract
Insects and robots searching for odour sources in turbulent plumes face the same problem: the random nature of mixing causes fluctuations and intermittency in perception. Pheromone-tracking male moths appear to deal with discontinuous flows of information by surging upwind, upon sensing a pheromone patch, and casting crosswind, upon losing the plume. Using a combination of neurophysiological recordings, computational modelling and experiments with a cyborg, we propose a neuronal mechanism that promotes a behavioural switch between surge and casting. We show how multiphasic On/Off pheromone-sensitive neurons may guide action selection based on signalling presence or loss of the pheromone. A Hodgkin-Huxley-type neuron model with a small-conductance calcium-activated potassium (SK) channel reproduces physiological On/Off responses. Using this model as a command neuron and the antennae of tethered moths as pheromone sensors, we demonstrate the efficiency of multiphasic patterning in driving a robotic searcher toward the source. Taken together, our results suggest that multiphasic On/Off responses may mediate olfactory navigation and that SK channels may account for these responses.
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Gu</name><affiliation wicri:level="1"><hal:affiliation type="laboratory" xml:id="struct-135780" status="OLD"><orgName>Physiologie de l'Insecte : Signalisation et Communication</orgName><orgName type="acronym">PISC</orgName><desc><address><addrLine>F-78000 Versailles</addrLine><country key="FR"></country></address></desc><listRelation><relation name="UMR1272" active="#struct-92114" type="direct"></relation><relation active="#struct-93591" type="direct"></relation><relation active="#struct-148117" type="direct"></relation></listRelation><tutelles><tutelle name="UMR1272" active="#struct-92114" type="direct"><org type="institution" xml:id="struct-92114" status="VALID"><orgName>Institut National de la Recherche Agronomique</orgName><orgName type="acronym">INRA</orgName><desc><address><country key="FR"></country></address><ref type="url">http://www.inra.fr</ref></desc></org></tutelle><tutelle active="#struct-93591" type="direct"><org type="institution" xml:id="struct-93591" status="VALID"><orgName>Université Pierre et Marie Curie - Paris 6</orgName><orgName type="acronym">UPMC</orgName><desc><address><addrLine>4 place Jussieu - 75005 Paris</addrLine><country key="FR"></country></address><ref type="url">http://www.upmc.fr/</ref></desc></org></tutelle><tutelle active="#struct-148117" type="direct"><org type="institution" xml:id="struct-148117" status="VALID"><orgName>AgroParisTech</orgName><orgName type="acronym">AgroParisTech</orgName><desc><address><addrLine>Institut des sciences et industries du vivant et de l'environnement - AgroParisTech - 16 rue Claude Bernard F-75231 Paris Cedex 05</addrLine><country key="FR"></country></address><ref type="url">http://www.agroparistech.fr/</ref></desc></org></tutelle></tutelles></hal:affiliation><country>France</country></affiliation></author><author><name sortKey="Anton, Sylvia" sort="Anton, Sylvia" uniqKey="Anton S" first="Sylvia" last="Anton">Sylvia Anton</name><affiliation wicri:level="1"><hal:affiliation type="laboratory" xml:id="struct-135780" status="OLD"><orgName>Physiologie de l'Insecte : Signalisation et Communication</orgName><orgName type="acronym">PISC</orgName><desc><address><addrLine>F-78000 Versailles</addrLine><country key="FR"></country></address></desc><listRelation><relation name="UMR1272" active="#struct-92114" type="direct"></relation><relation active="#struct-93591" type="direct"></relation><relation active="#struct-148117" type="direct"></relation></listRelation><tutelles><tutelle name="UMR1272" active="#struct-92114" type="direct"><org type="institution" xml:id="struct-92114" status="VALID"><orgName>Institut National de la Recherche Agronomique</orgName><orgName type="acronym">INRA</orgName><desc><address><country key="FR"></country></address><ref type="url">http://www.inra.fr</ref></desc></org></tutelle><tutelle active="#struct-93591" type="direct"><org type="institution" xml:id="struct-93591" status="VALID"><orgName>Université Pierre et Marie Curie - 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Paris 6</orgName><orgName type="acronym">UPMC</orgName><desc><address><addrLine>4 place Jussieu - 75005 Paris</addrLine><country key="FR"></country></address><ref type="url">http://www.upmc.fr/</ref></desc></org></tutelle><tutelle active="#struct-148117" type="direct"><org type="institution" xml:id="struct-148117" status="VALID"><orgName>AgroParisTech</orgName><orgName type="acronym">AgroParisTech</orgName><desc><address><addrLine>Institut des sciences et industries du vivant et de l'environnement - AgroParisTech - 16 rue Claude Bernard F-75231 Paris Cedex 05</addrLine><country key="FR"></country></address><ref type="url">http://www.agroparistech.fr/</ref></desc></org></tutelle></tutelles></hal:affiliation><country>France</country></affiliation></author><author><name sortKey="Lucas, P" sort="Lucas, P" uniqKey="Lucas P" first="P." last="Lucas">P. Lucas</name><affiliation wicri:level="1"><hal:affiliation type="laboratory" xml:id="struct-135780" status="OLD"><orgName>Physiologie de l'Insecte : Signalisation et Communication</orgName><orgName type="acronym">PISC</orgName><desc><address><addrLine>F-78000 Versailles</addrLine><country key="FR"></country></address></desc><listRelation><relation name="UMR1272" active="#struct-92114" type="direct"></relation><relation active="#struct-93591" type="direct"></relation><relation active="#struct-148117" type="direct"></relation></listRelation><tutelles><tutelle name="UMR1272" active="#struct-92114" type="direct"><org type="institution" xml:id="struct-92114" status="VALID"><orgName>Institut National de la Recherche Agronomique</orgName><orgName type="acronym">INRA</orgName><desc><address><country key="FR"></country></address><ref type="url">http://www.inra.fr</ref></desc></org></tutelle><tutelle active="#struct-93591" type="direct"><org type="institution" xml:id="struct-93591" status="VALID"><orgName>Université Pierre et Marie Curie - Paris 6</orgName><orgName type="acronym">UPMC</orgName><desc><address><addrLine>4 place Jussieu - 75005 Paris</addrLine><country key="FR"></country></address><ref type="url">http://www.upmc.fr/</ref></desc></org></tutelle><tutelle active="#struct-148117" type="direct"><org type="institution" xml:id="struct-148117" status="VALID"><orgName>AgroParisTech</orgName><orgName type="acronym">AgroParisTech</orgName><desc><address><addrLine>Institut des sciences et industries du vivant et de l'environnement - AgroParisTech - 16 rue Claude Bernard F-75231 Paris Cedex 05</addrLine><country key="FR"></country></address><ref type="url">http://www.agroparistech.fr/</ref></desc></org></tutelle></tutelles></hal:affiliation><country>France</country></affiliation></author></analytic><series><title level="j">PLoS ONE</title><idno type="ISSN">1932-6203</idno><imprint><date type="datePub">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Insects and robots searching for odour sources in turbulent plumes face the same problem: the random nature of mixing causes fluctuations and intermittency in perception. Pheromone-tracking male moths appear to deal with discontinuous flows of information by surging upwind, upon sensing a pheromone patch, and casting crosswind, upon losing the plume. Using a combination of neurophysiological recordings, computational modelling and experiments with a cyborg, we propose a neuronal mechanism that promotes a behavioural switch between surge and casting. We show how multiphasic On/Off pheromone-sensitive neurons may guide action selection based on signalling presence or loss of the pheromone. A Hodgkin-Huxley-type neuron model with a small-conductance calcium-activated potassium (SK) channel reproduces physiological On/Off responses. Using this model as a command neuron and the antennae of tethered moths as pheromone sensors, we demonstrate the efficiency of multiphasic patterning in driving a robotic searcher toward the source. Taken together, our results suggest that multiphasic On/Off responses may mediate olfactory navigation and that SK channels may account for these responses.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Grand Est</li><li>Lorraine (région)</li></region><settlement><li>Metz</li><li>Nancy</li></settlement><orgName><li>Université de Lorraine</li></orgName></list><tree><country name="France"><region name="Grand Est"><name sortKey="Martinez, Dominique" sort="Martinez, Dominique" uniqKey="Martinez D" first="Dominique" last="Martinez">Dominique Martinez</name></region><name sortKey="Anton, Sylvia" sort="Anton, Sylvia" uniqKey="Anton S" first="Sylvia" last="Anton">Sylvia Anton</name><name sortKey="Chaffiol, Antoine" sort="Chaffiol, Antoine" uniqKey="Chaffiol A" first="Antoine" last="Chaffiol">Antoine Chaffiol</name><name sortKey="Gu, Y" sort="Gu, Y" uniqKey="Gu Y" first="Y." last="Gu">Y. Gu</name><name sortKey="Lucas, P" sort="Lucas, P" uniqKey="Lucas P" first="P." last="Lucas">P. Lucas</name><name sortKey="Rospars, Jean Pierre" sort="Rospars, Jean Pierre" uniqKey="Rospars J" first="Jean-Pierre" last="Rospars">Jean-Pierre Rospars</name><name sortKey="Voges, Nicole" sort="Voges, Nicole" uniqKey="Voges N" first="Nicole" last="Voges">Nicole Voges</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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