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Heins DC, Moody KN, Arostegui MC, Harmon BS, Blum MJ, Quinn TP. Distinct evolutionary lineages of Schistocephalus parasites infecting co-occurring sculpin and stickleback fishes in Alaska. Parasitology 2024:1-8. [PMID: 38719483 DOI: 10.1017/s0031182024000593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2024]
Abstract
Sculpins (coastrange and slimy) and sticklebacks (ninespine and threespine) are widely distributed fishes cohabiting 2 south-central Alaskan lakes (Aleknagik and Iliamna), and all these species are parasitized by cryptic diphyllobothriidean cestodes in the genus Schistocephalus. The goal of this investigation was to test for host-specific parasitic relationships between sculpins and sticklebacks based upon morphological traits (segment counts) and sequence variation across the NADH1 gene. A total of 446 plerocercoids was examined. Large, significant differences in mean segment counts were found between cestodes in sculpin (mean = 112; standard deviation [s.d.] = 15) and stickleback (mean = 86; s.d. = 9) hosts within and between lakes. Nucleotide sequence divergence between parasites from sculpin and stickleback hosts was 20.5%, and Bayesian phylogenetic analysis recovered 2 well-supported clades of cestodes reflecting intermediate host family (i.e. sculpin, Cottidae vs stickleback, Gasterosteidae). Our findings point to the presence of a distinct lineage of cryptic Schistocephalus in sculpins from Aleknagik and Iliamna lakes that warrants further investigation to determine appropriate evolutionary and taxonomic recognition.
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Affiliation(s)
- David C Heins
- Department of Ecology and Evolutionary Biology, Tulane University, New Orleans, LA 70118, USA
| | - Kristine N Moody
- Department of Ecology and Evolutionary Biology, Tulane University, New Orleans, LA 70118, USA
- Environmental Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
- Department of Ecology & Evolutionary Biology, University of Tennessee, Knoxville, TN 37996, USA
| | - Martin C Arostegui
- Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA
- School of Aquatic and Fishery Sciences, University of Washington, Seattle, WA 98103, USA
| | - Brian S Harmon
- School of Aquatic and Fishery Sciences, University of Washington, Seattle, WA 98103, USA
| | - Michael J Blum
- Department of Ecology and Evolutionary Biology, Tulane University, New Orleans, LA 70118, USA
- Department of Ecology & Evolutionary Biology, University of Tennessee, Knoxville, TN 37996, USA
| | - Thomas P Quinn
- School of Aquatic and Fishery Sciences, University of Washington, Seattle, WA 98103, USA
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Fraser ML, Gray MA, Dobbs KDR, Andrews BI, Van De Reep S, Duffy MS. FIRST REPORTS OF LIGULA INTESTINALIS AND A SCHISTOCEPHALUS SP. INFECTING SMALL-BODIED FISH IN NEW BRUNSWICK, CANADA. J Parasitol 2023; 109:288-295. [PMID: 37458176 PMCID: PMC10658873 DOI: 10.1645/22-127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2023] Open
Abstract
Morphological characteristics and DNA sequencing were used to identify plerocercoids of a Schistocephalus sp. infecting slimy sculpin (Cottus cognatus) from northern New Brunswick and plerocercoids of Ligula intestinalis infecting blacknose dace (Rhinichthys atratulus) in Fundy National Park (FNP, New Brunswick). To our knowledge, no previous publications documented either cestode from New Brunswick, Canada. Blacknose dace represent a new host record for L. intestinalis. Identifications were made based on the presence or absence of segmentation and sequencing partial nicotinamide adenine dinucleotide dehydrogenase subunit 1 (ND1; mitochondrial DNA) and/or partial cytochrome c oxidase subunit 1 (COI; mitochondrial DNA). Plerocercoids from blacknose dace in FNP were identified as Ligula intestinalis based on >99% nucleotide identity with COI for this species in the NCBI GenBank database. Plerocercoids in slimy sculpin from northern New Brunswick were identified as a Schistocephalus sp. based on high nucleotide identity with congenerics in the NCBI GenBank database. The absence of GenBank entries with sufficient high percent identity to our specimens, and potential species hybrids in this genus, prevents species-level identification of Schistocephalus sp. plerocercoids currently. The absence of previous documentation of these cestodes might reflect recent environmental change promoting the transmission of these parasites that can modulate host fish behavior, induce sterility of host fishes, and contribute to epizootics.
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Affiliation(s)
- Megan L. Fraser
- Biology Department, University of New Brunswick, Fredericton, New Brunswick, Canada E3B 5A3
- Canadian Rivers Institute, Fredericton, New Brunswick, Canada E3B 5A3
| | - Michelle A. Gray
- Canadian Rivers Institute, Fredericton, New Brunswick, Canada E3B 5A3
- Faculty of Forestry and Environmental Management, University of New Brunswick, Fredericton, New Brunswick, Canada E3B 5A3
| | - Kerstyn D. R. Dobbs
- Biology Department, University of New Brunswick, Fredericton, New Brunswick, Canada E3B 5A3
- Canadian Rivers Institute, Fredericton, New Brunswick, Canada E3B 5A3
| | - Ben I. Andrews
- Canadian Rivers Institute, Fredericton, New Brunswick, Canada E3B 5A3
- Biology Department, University of New Brunswick, Saint John, New Brunswick, Canada E2L 4L5
| | - Sarah Van De Reep
- Parks Canada, Fundy National Park, Alma, New Brunswick, Canada E4H 1B4
| | - Michael S. Duffy
- Biology Department, University of New Brunswick, Fredericton, New Brunswick, Canada E3B 5A3
- Canadian Rivers Institute, Fredericton, New Brunswick, Canada E3B 5A3
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Nyman T, Papadopoulou E, Ylinen E, Wutke S, Michell CT, Sromek L, Sinisalo T, Andrievskaya E, Alexeev V, Kunnasranta M. DNA barcoding reveals different cestode helminth species in northern European marine and freshwater ringed seals. INTERNATIONAL JOURNAL FOR PARASITOLOGY-PARASITES AND WILDLIFE 2021; 15:255-261. [PMID: 34277335 PMCID: PMC8261468 DOI: 10.1016/j.ijppaw.2021.06.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 06/14/2021] [Accepted: 06/21/2021] [Indexed: 02/08/2023]
Abstract
Three subspecies of the ringed seal (Pusa hispida) are found in northeastern Europe: P. h. botnica in the Baltic Sea, P. h saimensis in Lake Saimaa in Finland, and P. h. ladogensis in Lake Ladoga in Russia. We investigated the poorly-known cestode helminth communities of these closely related but ecologically divergent subspecies using COI barcode data. Our results show that, while cestodes from the Baltic Sea represent Schistocephalus solidus, all worms from the two lakes are identified as Ligula intestinalis, a species that has previously not been reported from seals. The observed shift in cestode communities appears to be driven by differential availability of intermediate fish host species in marine vs. freshwater environments. Both observed cestode species normally infect fish-eating birds, so further work is required to elucidate the health and conservation implications of cestode infections in European ringed seals, whether L. intestinalis occurs also in marine ringed seals, and whether the species is able to reproduce in seal hosts. In addition, a deep barcode divergence found within S. solidus suggests the presence of cryptic diversity under this species name. COI barcoding reveals different cestodes in marine and freshwater ringed seals. Ligula intestinalis is reported for the first time from seals. A deep barcode divergence is found within Schistocephalus solidus in the Baltic Sea.
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Affiliation(s)
- Tommi Nyman
- Department of Ecosystems in the Barents Region, Norwegian Institute of Bioeconomy Research, Svanvik, Norway
| | - Elena Papadopoulou
- Department of Environmental and Biological Sciences, University of Eastern Finland, Joensuu, Finland
| | - Eeva Ylinen
- Department of Environmental and Biological Sciences, University of Eastern Finland, Joensuu, Finland
| | - Saskia Wutke
- Department of Environmental and Biological Sciences, University of Eastern Finland, Joensuu, Finland
| | - Craig T Michell
- Department of Environmental and Biological Sciences, University of Eastern Finland, Joensuu, Finland
| | - Ludmila Sromek
- Department of Marine Ecosystems Functioning, Institute of Oceanography, University of Gdansk, Gdynia, Poland
| | - Tuula Sinisalo
- Department of Biological and Environmental Sciences, University of Jyväskylä, Jyväskylä, Finland
| | | | | | - Mervi Kunnasranta
- Natural Resources Institute Finland, Joensuu, Finland.,Department of Environmental and Biological Sciences, University of Eastern Finland, Joensuu, Finland
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Lebedeva DI, Yakovleva GA, Artem’ev AV. Parasites of Common (Sterna hirundo) and Arctic (Sterna paradisaea) Terns (Charadriiformes, Laridae) in Karelia. BIOL BULL+ 2020. [DOI: 10.1134/s1062359020070092] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Weber JN, Kalbe M, Shim KC, Erin NI, Steinel NC, Ma L, Bolnick DI. Resist Globally, Infect Locally: A Transcontinental Test of Adaptation by Stickleback and Their Tapeworm Parasite. Am Nat 2017; 189:43-57. [DOI: 10.1086/689597] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Haukisalmi V. Checklist of tapeworms (Platyhelminthes, Cestoda) of vertebrates in Finland. Zookeys 2015:1-61. [PMID: 26668540 PMCID: PMC4669923 DOI: 10.3897/zookeys.533.6538] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2015] [Accepted: 10/09/2015] [Indexed: 12/04/2022] Open
Abstract
A checklist of tapeworms (Cestoda) of vertebrates (fishes, birds and mammals) in Finland is presented, based on published observations, specimens deposited in the collections of the Finnish Museum of Natural History (Helsinki) and the Zoological Museum of the University of Turku, and additional specimens identified by the present author. The checklist includes 170 tapeworm species from 151 host species, comprising 447 parasite species/host species combinations. Thirty of the tapeworm species and 96 of the parasite/host species combinations have not been previously reported from Finland. The total number of tapeworm species in Finland (170 spp.) is significantly lower than the corresponding figure for the Iberian Peninsula (257 spp.), Slovakia (225 spp.) and Poland (279 spp.). The difference between Finland and the other three regions is particularly pronounced for anseriform, podicipediform, charadriiform and passeriform birds, reflecting inadequate and/or biased sampling of these birds in Finland. It is predicted that there are actually ca. 270 species of tapeworms in Finland, assuming that true number of bird tapeworms in Finland corresponds to that in other European countries with more comprehensive knowledge of the local tapeworm fauna. The other main pattern emerging from the present data is the seemingly unexplained absence in (northern) Fennoscandia of several mammalian tapeworms that otherwise have extensive distributions in the Holarctic region or in Eurasia, including the northern regions. Previously unknown type specimens, that is, the holotype of Bothrimonusnylandicus Schneider, 1902 (a junior synonym of Diplocotyleolrikii Krabbe, 1874) (MZH 127096) and the syntypes of Caryophyllaeidesfennica (Schneider, 1902) (MZH 127097) were located in the collections of the Finnish Museum of Natural History.
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Affiliation(s)
- Voitto Haukisalmi
- Finnish Museum of Natural History Luomus, P. O. Box 17, P. Rautatiekatu 13, 00014 University of Helsinki, Finland
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Harmon BS, Hilborn R, Quinn TP. Infection by the cestode parasite Schistocephalus sp. and effects on diet, body condition and survival of sculpins Cottus aleuticus and Cottus cognatus. JOURNAL OF FISH BIOLOGY 2015; 86:1621-1629. [PMID: 25809184 DOI: 10.1111/jfb.12646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2014] [Accepted: 01/21/2015] [Indexed: 06/04/2023]
Abstract
Sampling in Iliamna Lake, Alaska, U.S.A. revealed that a greater proportion of coastrange sculpins Cottus aleuticus were infected by the cestode Schistocephalus solidus than slimy sculpins Cottus cognatus (52 v. 23%), and infected C. aleuticus contained more cestodes than did C. cognatus (2·1 v. 1·3 per fish). Consumption of sockeye salmon Oncorhynchus nerka eggs (the primary diet item) was lower in fishes with cestodes, and a model based on cestode prevalence and age composition estimated higher rates of infection and parasite-associated mortality in C. aleuticus compared with C. cognatus.
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Affiliation(s)
- B S Harmon
- School of Aquatic and Fishery Sciences, Box 355020, University of Washington, Seattle, WA 98195, U.S.A
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Ieshko EP, Shul’man BS, Lebedeva DI, Barskaya YY, Niemela E. Bullhead (Cottus gobio L.) invasion in the Utsjoki River (Northern Finland): Parasitological aspects. RUSSIAN JOURNAL OF BIOLOGICAL INVASIONS 2013. [DOI: 10.1134/s2075111713010049] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Nishimura N, Heins DC, Andersen RO, Barber I, Cresko WA. Distinct lineages of Schistocephalus parasites in threespine and ninespine stickleback hosts revealed by DNA sequence analysis. PLoS One 2011; 6:e22505. [PMID: 21811623 PMCID: PMC3139657 DOI: 10.1371/journal.pone.0022505] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2011] [Accepted: 06/22/2011] [Indexed: 12/01/2022] Open
Abstract
Parasitic interactions are often part of complex networks of interspecific relationships that have evolved in biological communities. Despite many years of work on the evolution of parasitism, the likelihood that sister taxa of parasites can co-evolve with their hosts to specifically infect two related lineages, even when those hosts occur sympatrically, is still unclear. Furthermore, when these specific interactions occur, the molecular and physiological basis of this specificity is still largely unknown. The presence of these specific parasitic relationships can now be tested using molecular markers such as DNA sequence variation. Here we test for specific parasitic relationships in an emerging host-parasite model, the stickleback-Schistocephalus system. Threespine and ninespine stickleback fish are intermediate hosts for Schistocephalus cestode parasites that are phenotypically very similar and have nearly identical life cycles through plankton, stickleback, and avian hosts. We analyzed over 2000 base pairs of COX1 and NADH1 mitochondrial DNA sequences in 48 Schistocephalus individuals collected from threespine and ninespine stickleback hosts from disparate geographic regions distributed across the Northern Hemisphere. Our data strongly support the presence of two distinct clades of Schistocephalus, each of which exclusively infects either threespine or ninespine stickleback. These clades most likely represent different species that diverged soon after the speciation of their stickleback hosts. In addition, genetic structuring exists among Schistocephalus taken from threespine stickleback hosts from Alaska, Oregon and Wales, although it is much less than the divergence between hosts. Our findings emphasize that biological communities may be even more complex than they first appear, and beg the question of what are the ecological, physiological, and genetic factors that maintain the specificity of the Schistocephalus parasites and their stickleback hosts.
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Affiliation(s)
- Nicole Nishimura
- Institute of Ecology and Evolution, University of Oregon, Eugene, Oregon, United States of America
| | - David C. Heins
- Department of Ecology and Evolutionary Biology, Tulane University, New Orleans, Louisiana, United States of America
| | - Ryan O. Andersen
- Institute of Neuroscience, University of Oregon, Eugene, Oregon, United States of America
| | - Iain Barber
- Department of Biology, College of Medicine, Biological Sciences and Psychology, University of Leicester, Leicester, United Kingdom
| | - William A. Cresko
- Institute of Ecology and Evolution, University of Oregon, Eugene, Oregon, United States of America
- * E-mail:
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The three-spined stickleback-Schistocephalus solidussystem: an experimental model for investigating host-parasite interactions in fish. Parasitology 2009; 137:411-24. [DOI: 10.1017/s0031182009991466] [Citation(s) in RCA: 107] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
SUMMARYPlerocercoids of the pseudophyllidean cestodeSchistocephalus solidusinfect the three-spined sticklebackGasterosteus aculeatus, with important consequences for the biology of host fish. Techniques for culturing the parasitein vitroand generating infective stages that can be used to infect sticklebacks experimentally have been developed, and the system is increasingly used as a laboratory model for investigating aspects of host-parasite interactions. Recent experimental laboratory studies have focused on the immune responses of hosts to infection, the consequences of infection for the growth and reproductive development of host fish and the effects of infection on host behaviour. Here we introduce the host and the parasite, review the major findings of these recent experimental infection studies and identify further aspects of host parasite interactions that might be investigated using the system.
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Chervy L. Unified terminology for cestode microtriches: a proposal from the International Workshops on Cestode Systematics in 2002-2008. Folia Parasitol (Praha) 2009; 56:199-230. [DOI: 10.14411/fp.2009.025] [Citation(s) in RCA: 195] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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French JRP, Muzzall PM. First Report of Schistocephalus sp. (Cestoda: Pseudophyllidea) in Slimy Sculpin, Cottus cognatus Richardson, 1836, from Lake Michigan, U.S.A. COMP PARASITOL 2008. [DOI: 10.1654/4315.1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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