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Parasite Manipulation of Host Behavior: An Update and Frequently Asked Questions

Poulin, Robert

Advances in the Study of Behavior, 2010, Vol.41, p.151-186 [Periódico revisado por pares]

United States: Elsevier Science & Technology

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  • Título:
    Parasite Manipulation of Host Behavior: An Update and Frequently Asked Questions
  • Autor: Poulin, Robert
  • Assuntos: Animal behaviour ; Physiological & neuro-psychology, biopsychology ; Psychology
  • É parte de: Advances in the Study of Behavior, 2010, Vol.41, p.151-186
  • Notas: ObjectType-Article-2
    SourceType-Scholarly Journals-1
    ObjectType-Feature-1
    content type line 23
  • Descrição: Many taxa of parasites modify the behavior of their hosts in ways that improve their probability of transmission. Regardless of its evolutionary origins or underlying mechanisms, host manipulation is a widespread adaptive strategy yielding fitness benefits for parasites with various life cycles and transmission modes. This chapter focuses on recent developments that are expanding our understanding of this phenomenon. Currently, growing attention is being paid to the effect of parasites on whole suites of host behavioral traits as opposed to single traits, and to correlations among behaviors, which may be the target of manipulation instead of the traits themselves. At the same time, variation in the use of manipulation is being explored both among and within parasite species. On the one hand, models that take into account the potential costs of manipulation predict under what circumstances manipulation is likely to evolve as a transmission strategy. On the other hand, within manipulative species, manipulation may be a flexible strategy only adopted by individual parasites in certain conditions dictated by other parasites and by the host itself. This inter- and intraspecific variation in the use of host manipulation for transmission is due in large part to its unreliable effectiveness within complex natural systems where dead-ends await many manipulative parasites. Finally, recent neurological and proteomic studies of the pathways used by parasites to alter host behavior offer new insights into the evolution of manipulation. The chapter ends with a list of promising directions that provide an agenda for future research.
  • Editor: United States: Elsevier Science & Technology
  • Idioma: Inglês
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