The Effect of Echinorhynchus borealis (Acanthocephala) Infection on the Anti-Predator Behavior of a Benthic Amphipod
Identifieur interne : 000721 ( Main/Exploration ); précédent : 000720; suivant : 000722The Effect of Echinorhynchus borealis (Acanthocephala) Infection on the Anti-Predator Behavior of a Benthic Amphipod
Auteurs : D. P. Benesh [Allemagne] ; J. Kitchen [Finlande] ; K. Pulkkinen [Finlande] ; I. Hakala [Finlande] ; E. T. Valtonen [Finlande]Source :
- The Journal of parasitology [ 0022-3395 ] ; 2008.
Descripteurs français
- KwdFr :
- Acanthocephala (physiologie), Adaptation physiologique (MeSH), Amphipoda (parasitologie), Amphipoda (physiologie), Animaux (MeSH), Comportement animal (MeSH), Comportement prédateur (MeSH), Eau douce (MeSH), Finlande (MeSH), Gadiformes (parasitologie), Gadiformes (physiologie), Odorat (physiologie), Phéromones (physiologie), Sédiments géologiques (MeSH).
- MESH :
- parasitologie : Amphipoda, Gadiformes.
- physiologie : Acanthocephala, Amphipoda, Gadiformes, Odorat, Phéromones.
- Pascal (Inist)
- Wicri :
- geographic : Finlande.
English descriptors
- KwdEn :
- Acanthocephala, Acanthocephala (physiology), Adaptation, Physiological (MeSH), Amphipoda, Amphipoda (parasitology), Amphipoda (physiology), Animals (MeSH), Antipredator behavior, Behavior, Animal (MeSH), Finland (MeSH), Fresh Water (MeSH), Gadiformes (parasitology), Gadiformes (physiology), Geologic Sediments (MeSH), Infection, Parasite, Pheromones (physiology), Predatory Behavior (MeSH), Smell (physiology).
- MESH :
- chemical , physiology : Pheromones.
- geographic : Finland.
- parasitology : Amphipoda, Gadiformes.
- physiology : Acanthocephala, Amphipoda, Gadiformes, Smell.
- Adaptation, Physiological, Animals, Behavior, Animal, Fresh Water, Geologic Sediments, Predatory Behavior.
Abstract
In benthic habitats, predators can generally not be detected visually, so olfaction may be particularly important for inducing anti-predation behaviors in prey organisms. Manipulative parasites infecting benthic hosts could suppress these responses so as to increase the probability of predation and thus trophic transmission. We studied how infection with the acanthocephalan Echinorhynchus borealis affects the response of the benthic amphipod Pallasea quadrispinosa to water conditioned by burbot (Lota lota), the parasite's definitive host. In normal lake water, refuge use by infected and uninfected amphipods was similar, but when exposed to burbot-conditioned water, uninfected amphipods spent much more time hiding than infected amphipods. Thus, rather than affecting ambient hiding behavior, E. borealis infection seems to alter host response to a predator. A group of amphipods sampled from a postglacial spring that is devoid of fish predators exhibited only a weak response to burbot-conditioned water, perhaps suggesting these anti-predator behaviors are costly to maintain. The hiding behavior of spring and infected amphipods was very similar. If the reduced refuge use by the spring amphipods reflects adaptation to a predator-free environment, this indicates that E. borealis severely weakens its host's anti-predator behavior. Presumably this increases the likelihood of parasite transmission.
Affiliations:
- Allemagne, Finlande
- Finlande-Centrale, Uusimaa
- Helsinki, Jyväskylä
- Université d'Helsinki, Université de Jyväskylä
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Le document en format XML
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P." last="Benesh">D. P. Benesh</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Max Planck Institute for Evolutionary Biology, Department of Evolutionary Ecology, August-Thienemann-Strass 2</s1><s2>24306</s2><s3>DEU</s3><sZ>1 aut.</sZ></inist:fA14><country>Allemagne</country><wicri:noRegion>24306</wicri:noRegion><wicri:noRegion>August-Thienemann-Strass 2</wicri:noRegion><wicri:noRegion>24306</wicri:noRegion></affiliation></author><author><name sortKey="Kitchen, J" sort="Kitchen, J" uniqKey="Kitchen J" first="J." last="Kitchen">J. Kitchen</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Department of Biological and Environmental Science, POB 35. University of Jyväskylä</s1><s2>40014</s2><s3>FIN</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Finlande</country><placeName><settlement type="city">Jyväskylä</settlement><region type="région" nuts="2">Finlande-Centrale</region></placeName><orgName type="university">Université de Jyväskylä</orgName></affiliation></author><author><name sortKey="Pulkkinen, K" sort="Pulkkinen, K" uniqKey="Pulkkinen K" first="K." last="Pulkkinen">K. Pulkkinen</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Department of Biological and Environmental Science, POB 35. 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T." last="Valtonen">E. T. Valtonen</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Department of Biological and Environmental Science, POB 35. University of Jyväskylä</s1><s2>40014</s2><s3>FIN</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Finlande</country><placeName><settlement type="city">Jyväskylä</settlement><region type="région" nuts="2">Finlande-Centrale</region></placeName><orgName type="university">Université de Jyväskylä</orgName></affiliation></author></analytic><series><title level="j" type="main">The Journal of parasitology</title><title level="j" type="abbreviated">J. parasitol.</title><idno type="ISSN">0022-3395</idno><imprint><date when="2008">2008</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">The Journal of parasitology</title><title level="j" type="abbreviated">J. parasitol.</title><idno type="ISSN">0022-3395</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acanthocephala</term><term>Acanthocephala (physiology)</term><term>Adaptation, Physiological (MeSH)</term><term>Amphipoda</term><term>Amphipoda (parasitology)</term><term>Amphipoda (physiology)</term><term>Animals (MeSH)</term><term>Antipredator behavior</term><term>Behavior, Animal (MeSH)</term><term>Finland (MeSH)</term><term>Fresh Water (MeSH)</term><term>Gadiformes (parasitology)</term><term>Gadiformes (physiology)</term><term>Geologic Sediments (MeSH)</term><term>Infection</term><term>Parasite</term><term>Pheromones (physiology)</term><term>Predatory Behavior (MeSH)</term><term>Smell (physiology)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Acanthocephala (physiologie)</term><term>Adaptation physiologique (MeSH)</term><term>Amphipoda (parasitologie)</term><term>Amphipoda (physiologie)</term><term>Animaux (MeSH)</term><term>Comportement animal (MeSH)</term><term>Comportement prédateur (MeSH)</term><term>Eau douce (MeSH)</term><term>Finlande (MeSH)</term><term>Gadiformes (parasitologie)</term><term>Gadiformes (physiologie)</term><term>Odorat (physiologie)</term><term>Phéromones (physiologie)</term><term>Sédiments géologiques (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="physiology" xml:lang="en"><term>Pheromones</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Finland</term></keywords><keywords scheme="MESH" qualifier="parasitologie" xml:lang="fr"><term>Amphipoda</term><term>Gadiformes</term></keywords><keywords scheme="MESH" qualifier="parasitology" xml:lang="en"><term>Amphipoda</term><term>Gadiformes</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Acanthocephala</term><term>Amphipoda</term><term>Gadiformes</term><term>Odorat</term><term>Phéromones</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Acanthocephala</term><term>Amphipoda</term><term>Gadiformes</term><term>Smell</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adaptation, Physiological</term><term>Animals</term><term>Behavior, Animal</term><term>Fresh Water</term><term>Geologic Sediments</term><term>Predatory Behavior</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Adaptation physiologique</term><term>Animaux</term><term>Comportement animal</term><term>Comportement prédateur</term><term>Eau douce</term><term>Finlande</term><term>Infection</term><term>Comportement antiprédateur</term><term>Parasite</term><term>Acanthocephala</term><term>Amphipoda</term><term>Sédiments géologiques</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Finlande</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In benthic habitats, predators can generally not be detected visually, so olfaction may be particularly important for inducing anti-predation behaviors in prey organisms. Manipulative parasites infecting benthic hosts could suppress these responses so as to increase the probability of predation and thus trophic transmission. We studied how infection with the acanthocephalan Echinorhynchus borealis affects the response of the benthic amphipod Pallasea quadrispinosa to water conditioned by burbot (Lota lota), the parasite's definitive host. In normal lake water, refuge use by infected and uninfected amphipods was similar, but when exposed to burbot-conditioned water, uninfected amphipods spent much more time hiding than infected amphipods. Thus, rather than affecting ambient hiding behavior, E. borealis infection seems to alter host response to a predator. A group of amphipods sampled from a postglacial spring that is devoid of fish predators exhibited only a weak response to burbot-conditioned water, perhaps suggesting these anti-predator behaviors are costly to maintain. The hiding behavior of spring and infected amphipods was very similar. If the reduced refuge use by the spring amphipods reflects adaptation to a predator-free environment, this indicates that E. borealis severely weakens its host's anti-predator behavior. Presumably this increases the likelihood of parasite transmission.</div></front></TEI><affiliations><list><country><li>Allemagne</li><li>Finlande</li></country><region><li>Finlande-Centrale</li><li>Uusimaa</li></region><settlement><li>Helsinki</li><li>Jyväskylä</li></settlement><orgName><li>Université d'Helsinki</li><li>Université de Jyväskylä</li></orgName></list><tree><country name="Allemagne"><noRegion><name sortKey="Benesh, D P" sort="Benesh, D P" uniqKey="Benesh D" first="D. P." last="Benesh">D. P. Benesh</name></noRegion></country><country name="Finlande"><region name="Finlande-Centrale"><name sortKey="Kitchen, J" sort="Kitchen, J" uniqKey="Kitchen J" first="J." last="Kitchen">J. Kitchen</name></region><name sortKey="Hakala, I" sort="Hakala, I" uniqKey="Hakala I" first="I." last="Hakala">I. Hakala</name><name sortKey="Pulkkinen, K" sort="Pulkkinen, K" uniqKey="Pulkkinen K" first="K." last="Pulkkinen">K. Pulkkinen</name><name sortKey="Valtonen, E T" sort="Valtonen, E T" uniqKey="Valtonen E" first="E. T." last="Valtonen">E. T. Valtonen</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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