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  Schistocephalus solidus: Establishment of tapeworms in sticklebacks - fast food or fast lane?

Hammerschmidt, K., & Kurtz, J. (2007). Schistocephalus solidus: Establishment of tapeworms in sticklebacks - fast food or fast lane? Experimental Parasitology, 116(2), 142-149. doi:10.1016/j.exppara.2006.12.013.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-D7A0-D Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-D7A1-B
Genre: Journal Article

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 Creators:
Hammerschmidt, Katrin1, Author              
Kurtz, Joachim1, Author              
Affiliations:
1Department Evolutionary Ecology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445634              

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Free keywords: Schistocephalus solidus; Macrocyclops albidus; Gasterosteus aculeatus; cestode; copepod; fish; histology; intestinal wall; host-parasite interaction; cercomer; penetration; post-exposure; beta-galactose-1,3N-acetylgalactosamine; N-acetylglucosamine
 Abstract: The penetration of the intestinal mucosal wall is supposed to be critical for helminth parasite infestation, but has rarely been analyzed in detail. We here studied the establishment process of Schistocephalus solidus tapeworms in their second intermediate host, the threespined stickleback, from oral uptake after experimental exposure, to passage through the gastro-intestinal tract and arrival in the fish body cavity. Using histological techniques, we found tapeworms to penetrate the intestine within 14-24 h, spending most of the time in the stomach lumen and only a very short period in the intestine. Unexpectedly, tapeworms lost their outer layer, together with the cercomer, in the intestine lumen rather than later during intestine wall penetration. Once exposed, the underlying tegument with microtriches might serve to facilitate migration of the parasite into the body cavity.

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Language(s): eng - English
 Dates: 2007-06
 Publication Status: Published in print
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 Rev. Method: -
 Identifiers: eDoc: 319789
DOI: 10.1016/j.exppara.2006.12.013
Other: 2564/S 38714
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Title: Experimental Parasitology
Source Genre: Journal
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Pages: - Volume / Issue: 116 (2) Sequence Number: - Start / End Page: 142 - 149 Identifier: ISSN: 0014-4894