A manipulative parasite increasing an antipredator response decreases its vulnerability to a nonhost predator
Trophically transmitted parasites have to deal with the antipredator adaptations of their intermediate hosts. Some of these parasites induce behavioural changes in their intermediate hosts that make them more vulnerable to predation by definitive hosts. However, the adaptiveness of behavioural manip...
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Veröffentlicht in: | Animal behaviour 2009-05, Vol.77 (5), p.1235-1241 |
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creator | Médoc, Vincent Rigaud, Thierry Bollache, Loic Beisel, Jean-Nicolas |
description | Trophically transmitted parasites have to deal with the antipredator adaptations of their intermediate hosts. Some of these parasites induce behavioural changes in their intermediate hosts that make them more vulnerable to predation by definitive hosts. However, the adaptiveness of behavioural manipulation also depends on the probability of being eaten by a nonhost predator. Parasites might therefore try to use specific antipredator responses of intermediate hosts to avoid this dead end. We tested this hypothesis using the acanthocephalan
Polymorphus minutus and its intermediate amphipod host,
Gammarus roeseli. In their natural habitat, uninfected
G. roeseli shelter near the river bottom while infected gammarids tend to cling onto floating materials. In microcosm experiments, infected amphipods were preyed upon by sticklebacks (nonhost predators) less than uninfected individuals when refuges were provided near the water surface. Regardless of their infection status,
G. roeseli reacted to olfactory cues of predation by spending more time on refuges and near the surface. However, these behaviours were increased in infected gammarids. These results suggest that, in addition to specific induced behaviours, parasites may also enhance an existing antipredator behaviour to increase their own survival. |
doi_str_mv | 10.1016/j.anbehav.2009.01.029 |
format | Article |
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Polymorphus minutus and its intermediate amphipod host,
Gammarus roeseli. In their natural habitat, uninfected
G. roeseli shelter near the river bottom while infected gammarids tend to cling onto floating materials. In microcosm experiments, infected amphipods were preyed upon by sticklebacks (nonhost predators) less than uninfected individuals when refuges were provided near the water surface. Regardless of their infection status,
G. roeseli reacted to olfactory cues of predation by spending more time on refuges and near the surface. However, these behaviours were increased in infected gammarids. These results suggest that, in addition to specific induced behaviours, parasites may also enhance an existing antipredator behaviour to increase their own survival.</description><identifier>ISSN: 0003-3472</identifier><identifier>EISSN: 1095-8282</identifier><identifier>DOI: 10.1016/j.anbehav.2009.01.029</identifier><identifier>CODEN: ANBEA8</identifier><language>eng</language><publisher>Amsterdam: Elsevier Ltd</publisher><subject>Acanthocephala ; Animal ethology ; antipredator response ; behavioural manipulation ; Biodiversity and Ecology ; Biological and medical sciences ; Crustacea ; Ecology, environment ; Environmental Sciences ; Fundamental and applied biological sciences. Psychology ; Gammarus roeseli ; Habitats ; Hypothesis testing ; Invertebrates ; Life Sciences ; Microbiology and Parasitology ; nonhost avoidance ; olfactory cue ; Parasites ; Parasitology ; Polymorphus minutus ; Predation ; Psychology. Psychoanalysis. Psychiatry ; refuge usage ; Symbiosis</subject><ispartof>Animal behaviour, 2009-05, Vol.77 (5), p.1235-1241</ispartof><rights>2009 The Association for the Study of Animal Behaviour</rights><rights>2009 INIST-CNRS</rights><rights>Copyright Harcourt Brace Jovanovich Ltd. May 2009</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c497t-f11d0aaf23f4f3ffe700ac13ac8c695bb28db022404cddf20d086a3c3e0d5a753</citedby><cites>FETCH-LOGICAL-c497t-f11d0aaf23f4f3ffe700ac13ac8c695bb28db022404cddf20d086a3c3e0d5a753</cites><orcidid>0000-0003-0316-6746 ; 0000-0002-4888-1914 ; 0000-0002-1935-7689</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.anbehav.2009.01.029$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,780,784,885,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21458764$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.science/hal-00380732$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Médoc, Vincent</creatorcontrib><creatorcontrib>Rigaud, Thierry</creatorcontrib><creatorcontrib>Bollache, Loic</creatorcontrib><creatorcontrib>Beisel, Jean-Nicolas</creatorcontrib><title>A manipulative parasite increasing an antipredator response decreases its vulnerability to a nonhost predator</title><title>Animal behaviour</title><description>Trophically transmitted parasites have to deal with the antipredator adaptations of their intermediate hosts. Some of these parasites induce behavioural changes in their intermediate hosts that make them more vulnerable to predation by definitive hosts. However, the adaptiveness of behavioural manipulation also depends on the probability of being eaten by a nonhost predator. Parasites might therefore try to use specific antipredator responses of intermediate hosts to avoid this dead end. We tested this hypothesis using the acanthocephalan
Polymorphus minutus and its intermediate amphipod host,
Gammarus roeseli. In their natural habitat, uninfected
G. roeseli shelter near the river bottom while infected gammarids tend to cling onto floating materials. In microcosm experiments, infected amphipods were preyed upon by sticklebacks (nonhost predators) less than uninfected individuals when refuges were provided near the water surface. Regardless of their infection status,
G. roeseli reacted to olfactory cues of predation by spending more time on refuges and near the surface. However, these behaviours were increased in infected gammarids. These results suggest that, in addition to specific induced behaviours, parasites may also enhance an existing antipredator behaviour to increase their own survival.</description><subject>Acanthocephala</subject><subject>Animal ethology</subject><subject>antipredator response</subject><subject>behavioural manipulation</subject><subject>Biodiversity and Ecology</subject><subject>Biological and medical sciences</subject><subject>Crustacea</subject><subject>Ecology, environment</subject><subject>Environmental Sciences</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Gammarus roeseli</subject><subject>Habitats</subject><subject>Hypothesis testing</subject><subject>Invertebrates</subject><subject>Life Sciences</subject><subject>Microbiology and Parasitology</subject><subject>nonhost avoidance</subject><subject>olfactory cue</subject><subject>Parasites</subject><subject>Parasitology</subject><subject>Polymorphus minutus</subject><subject>Predation</subject><subject>Psychology. Psychoanalysis. 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Psychology</topic><topic>Gammarus roeseli</topic><topic>Habitats</topic><topic>Hypothesis testing</topic><topic>Invertebrates</topic><topic>Life Sciences</topic><topic>Microbiology and Parasitology</topic><topic>nonhost avoidance</topic><topic>olfactory cue</topic><topic>Parasites</topic><topic>Parasitology</topic><topic>Polymorphus minutus</topic><topic>Predation</topic><topic>Psychology. Psychoanalysis. Psychiatry</topic><topic>refuge usage</topic><topic>Symbiosis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Médoc, Vincent</creatorcontrib><creatorcontrib>Rigaud, Thierry</creatorcontrib><creatorcontrib>Bollache, Loic</creatorcontrib><creatorcontrib>Beisel, Jean-Nicolas</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Toxicology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Chemoreception Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Animal behaviour</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Médoc, Vincent</au><au>Rigaud, Thierry</au><au>Bollache, Loic</au><au>Beisel, Jean-Nicolas</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A manipulative parasite increasing an antipredator response decreases its vulnerability to a nonhost predator</atitle><jtitle>Animal behaviour</jtitle><date>2009-05-01</date><risdate>2009</risdate><volume>77</volume><issue>5</issue><spage>1235</spage><epage>1241</epage><pages>1235-1241</pages><issn>0003-3472</issn><eissn>1095-8282</eissn><coden>ANBEA8</coden><abstract>Trophically transmitted parasites have to deal with the antipredator adaptations of their intermediate hosts. Some of these parasites induce behavioural changes in their intermediate hosts that make them more vulnerable to predation by definitive hosts. However, the adaptiveness of behavioural manipulation also depends on the probability of being eaten by a nonhost predator. Parasites might therefore try to use specific antipredator responses of intermediate hosts to avoid this dead end. We tested this hypothesis using the acanthocephalan
Polymorphus minutus and its intermediate amphipod host,
Gammarus roeseli. In their natural habitat, uninfected
G. roeseli shelter near the river bottom while infected gammarids tend to cling onto floating materials. In microcosm experiments, infected amphipods were preyed upon by sticklebacks (nonhost predators) less than uninfected individuals when refuges were provided near the water surface. Regardless of their infection status,
G. roeseli reacted to olfactory cues of predation by spending more time on refuges and near the surface. However, these behaviours were increased in infected gammarids. These results suggest that, in addition to specific induced behaviours, parasites may also enhance an existing antipredator behaviour to increase their own survival.</abstract><cop>Amsterdam</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.anbehav.2009.01.029</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0003-0316-6746</orcidid><orcidid>https://orcid.org/0000-0002-4888-1914</orcidid><orcidid>https://orcid.org/0000-0002-1935-7689</orcidid></addata></record> |
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subjects | Acanthocephala Animal ethology antipredator response behavioural manipulation Biodiversity and Ecology Biological and medical sciences Crustacea Ecology, environment Environmental Sciences Fundamental and applied biological sciences. Psychology Gammarus roeseli Habitats Hypothesis testing Invertebrates Life Sciences Microbiology and Parasitology nonhost avoidance olfactory cue Parasites Parasitology Polymorphus minutus Predation Psychology. Psychoanalysis. Psychiatry refuge usage Symbiosis |
title | A manipulative parasite increasing an antipredator response decreases its vulnerability to a nonhost predator |
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