The stickleback–Schistocephalus host–parasite system as a model for understanding the effect of a macroparasite on host reproduction

Heins, David C.; Baker, John A.

doi:10.1163/156853908792451412

Cited by 57 publications

(66 citation statements)

References 53 publications

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“…obs. ), similar to the events in the relationship between threespine stickleback and S. solidus (Heins et al, 1999;Heins and Baker, 2008).…”

mentioning

confidence: 52%

“…obs. ;Heins et al, 2003). Thus, S. pungitii may live within the body cavities of their 2+-and 3+-yr-old hosts 1 or more yr including winter (D. Heins and J. Baker, unpubl.…”

mentioning

confidence: 99%

“…Samples were collected late May to mid-June in 1994, 1998, and 2000 during the reproductive season of ninespine stickleback (Heins et al, 2003). Collections were obtained with 6-mm (occasionally 3-mm) wiremesh minnow traps, which were set near shore.…”

mentioning

confidence: 99%

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Castration of Female Ninespine Stickleback by the Pseudophyllidean Cestode Schistocephalus pungitii: Evolutionary Significance and Underlying Mechanism

Heins

Baker

2010

Journal of Parasitology

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Parasitic castration may result from manipulation of host energy allocation away from reproduction, which should result in castration of lightly infected hosts as well as heavily infected ones. Castration also may result from nutrient theft alone, which incidentally influences host energy allocation to reproduction and should cause reproduction to end in heavily infected hosts. Although the pseudophyllidean cestode Schistocephalus pungitii is a castrator of ninespine stickleback fish (Pungitius pungitius), the cause and significance of castration remain unknown. We used predictions about reproductive capacity in lightly and heavily infected hosts and host size (age) at which castration occurs to address these questions. In Airolo Lake, Alaska, we found that inhibition of reproduction in ninespine stickleback occurs in small fish before the size (age) of sexual maturity and is not instantaneous. Castration was observed in lightly and heavily infected adult-size hosts. Infected fish do not reach the same size as uninfected fish, possibly because of growth inhibition or selective predation. Castration in infected adult-size female ninespine stickleback appears to be the result of adaptive manipulation of host energy allocation by the parasite, but it could result from an energy budget readily influenced by parasitism.

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“…obs. ), similar to the events in the relationship between threespine stickleback and S. solidus (Heins et al, 1999;Heins and Baker, 2008).…”

mentioning

confidence: 52%

“…obs. ;Heins et al, 2003). Thus, S. pungitii may live within the body cavities of their 2+-and 3+-yr-old hosts 1 or more yr including winter (D. Heins and J. Baker, unpubl.…”

mentioning

confidence: 99%

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Castration of Female Ninespine Stickleback by the Pseudophyllidean Cestode Schistocephalus pungitii: Evolutionary Significance and Underlying Mechanism

Heins

Baker

2010

Journal of Parasitology

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“…The three-spined stickleback Gasterosteus aculeatus L. and its diphyllobothriidean cestode parasite Schistocephalus solidus M. are a well-studied example of PITT (LoBue and Bell 1993;Heins and Baker 2008;Barber and Scharsack 2010;Heins et al 2010a). S. solidus enters sticklebacks when fish ingest an infected cyclopoid copepod (e.g., Cyclops columbianus, Acanthops brevispinous), which is the first intermediate host in the parasite's three-host life cycle.…”

Section: Introductionmentioning

confidence: 99%

“…; Reimchen and Douglas 1984;Nowak et al 2004;Denton et al 2010). Sticklebacks and S. solidus have become a model system for understanding the ways in which a parasite can affect its host (Heins and Baker 2008), and many studies have compared the behavior of sticklebacks with and without parasites in controlled, laboratory environments (Giles 1983(Giles , 1987Milinski 1985;Barber and Huntingford 1995;Ness and Foster 1999;Barber et al 2004Barber et al , 2008Barber and Scharsack 2010).…”

Section: Introductionmentioning

confidence: 99%

Diel vertical movements, and effects of infection by the cestode Schistocephalus solidus on daytime proximity of three-spined sticklebacks Gasterosteus aculeatus to the surface of a large Alaskan lake

et al. 2011

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We conducted a field study in Iliamna Lake, Alaska, to test the hypothesis that proximity of three-spined sticklebacks Gasterosteus aculeatus to the lake's surface during the daytime varies with macroparasitic cestode parasite Schistocephalus solidus infection in a manner consistent with enhanced vulnerability to avian predators. Extensive sampling in the lake and likelihood-based modeling revealed that sticklebacks displayed a diel vertical migration, being closer to the surface at night than during the evening and early morning. Additional sampling, also coupled with a likelihood-based modeling approach, showed that fish caught at the surface of the lake during the day were more often parasitized (76 vs. 65%), more heavily parasitized (26.8 vs. 22.7% of their body mass), and had larger individual parasites (0.24 vs. 0.20 g) than those caught at night. Parasite infection was related, non-linearly, to fish size, which also differed between day and night sampling at the surface. We performed statistical competitions among nested hierarchies of models that accounted for this effect of length. The most likely models indicated that fish captured during the day had greater parasite prevalence, higher parasite burdens, and larger parasites than did fish captured at night. Proximity to the surface during the day in this very clear lake would likely increase the vulnerability of sticklebacks to predation from birds, enabling completion of the parasite's lifecycle.

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Reproductive Behavior: Spawners

2020

Fish Behavior 2

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The stickleback–Schistocephalus host–parasite system as a model for understanding the effect of a macroparasite on host reproduction

Cited by 57 publications

References 53 publications

Castration of Female Ninespine Stickleback by the Pseudophyllidean Cestode Schistocephalus pungitii: Evolutionary Significance and Underlying Mechanism

Castration of Female Ninespine Stickleback by the Pseudophyllidean Cestode Schistocephalus pungitii: Evolutionary Significance and Underlying Mechanism

Diel vertical movements, and effects of infection by the cestode Schistocephalus solidus on daytime proximity of three-spined sticklebacks Gasterosteus aculeatus to the surface of a large Alaskan lake

Reproductive Behavior: Spawners

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